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Computer Engineering Questions and Answers October 16, 2019

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iupacGive the names of the following molecules.
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Wetland soil is blue - gray to Fe ( OH ) 2 ( s ) , whereas well - aerated soils are often orange - red due to the presence of Fe ( OH ) 3 ( s ) . Write the balance equation for the reaction of O 2 ( g ) with Fe ( OH ) 2 ( s ) in the soil that produces Fe ( OH ) 3 ( s ) in basic solution.

1.90gH2 is allowed to react with 9.75gN2, producing 2.91gNH3. The Haber-Bosch process is a very important industrial orocess. In the Haber-Bosch process, hydrogen gas reacts with nitrogen gas to produce ammonia according to the gquation 3H2(g)+N2(g)2NH3(g) The ammonia produced in the Haber-Bosch process has a wide range of uses, from fertilizer to
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Balance: C 3 H 6 + O 2 = CO 2 + H 2 O

1 . Calculate the energy in each case given below and rank them in terms of decreasing energy: ( a ) = 4 7 3 nm; ( b ) = 6 4 5 nm; ( c ) = 4 5 3 nm

Organic chemistry question please help Amines are converted into akenes by a fwo-step process called the H0/fmann elimination. SN2 reaction of the amine with an excess of CH3 in the first step yields an intermedlate that undergoes E2 reaction when treated with siver oxide as a base. Pentylamine, for example, yields 1-pentene.
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Consider the dipeptides that can be formed from glycine and serine at physiological pH. Note: Reference the Naturally-occurring amino acids table for additional information. Part 1 of 2 Draw the structure of the dipeptide that is formed when glycine is the N-terminal
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A quantity of 6 . 7 5 g of S O 2 C l 2 was placed in a 2 . 0 0 L flask. At 6 4 8 K , there is 0 . 0 3 4 5 mole of S O 2 present. Calculate K c for the reaction below. Round your answer to 2 significant digits. S O 2 C l 2 ( g ) S O 2 ( g ) + C l 2 ( g ) 1 0
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Based on the two starting amounts of Cu and HNO , the amount of NO produced should be 0 . 0 9 4 4 moles.Calculate the concentration ( in molarity ) of the gas if that gas were confined to the 2 5 0 mL of space in the flask.

Can you please explain it detailed

Methane (CH4) gas and oxygen (O2) gas react to form carbon dioxide (CO2) gas and water (H2O) vapor. Suppose you have 5.0 mol of CH4 and 1.0mol of O2 in a reactor. Calculate the largest amount of CO2 that could be produced. Round your answer to the nearest 0.1mol
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WCalculate the concentration of NH 4 + in 5 0 0 . mL of 0 . 0 8 0 M NH 3 to which had been added 1 0 0 . mL of 0 . 5 0 M LiOH. [ Kb ( NH 3 ) = 1 . 8 \ times 1 0 5 ] A ) 2 . 7 3 \ times 1 0 5 M B ) 1 . 4 4 \ times 1 0 5 M C ) 1 . 0 1 \ times 1 0 3 M D ) 6 . 7 6 \ times 1 0 2 M E ) 1 . 2 9 \ times 1 0 3 M

Complete the following reactions: a ) Organic chemistry - Functional groups x i ) O 3 ii ) H 2 O c ) d ) e ) f ) g ) h ) i )
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A solution made by dissolving 5.65g of an unknown molecular compound in 110.0g of benzene froze at 4.39C. What is the molar mass of the solute? (Kfbenzene=5.12mC;Tfbenzene=5.5C)
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what is the mechanism? ( use arrow pushing )
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2 4 5 6 7 8 = 1 0 1 1 - = 1 4 For the reaction H 2 ( g ) + C O 2 ( g ) H 2 O ( g ) + C O ( g ) at 7 0 0 C , K c = 0 . 5 3 4 . Calculate the number of moles of H 2 that are present at equilibrium if a mixture of 0 . 5 7 0 mole of C O and 0 . 5 7 0 mole of H 2 O is heated to 7 0 0 C in a 2 0 . 0 L container. Round your answer to 3 significant
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draw the standard curve this way, you'll use the unknown ratios to go up from the X axis, then you'll hit the standard curve line and go over to the Y and find the log MW. Then you'll find the final MW of the unknowns by raising 10 to the power of that log MW value that you hit on the Y axis like I showed you yesterday. Example 10^1.3 = 19.95. can

Which one is least acidic?
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0.02M ammonia solution ph of 10.74. what % is ionized? calculate for kb for ammonia

The reaction, 2 N O ( g ) + O 2 ( g ) ' N O 2 ( g ) , has K p = 2 1 5 at 2 0 0 C . What is the value of Kp for the reaction, 2 NOCl ( g ) + O 2 ( g ) 2 N O 2 ( g ) + C l 2 ( g ) at 2 0 0 C ?
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QUESTION 2 5 How many of the following compounds are insoluble in water? L i C 2 H 3 O 2 , S r S O 4 , K 2 S , A l P O 4 0 1 2 3 4
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Answer with details please Im bad at this topic. My question is 5 . ( g ) Write the mass - balance expressions for a solution that is * ( a ) 0 . 2 M in HF . ( b ) 0 . 3 5 M in N H 3 . * ( c ) 0 . 1 0 M in H 3 P O 4 . ( d ) 0 . 2 0 M in N a 2 H P O 4 . * ( e ) 0 . 0 5 0 0 M in H C l O 2 and 0 . 1 0 0 M in N a C l O 2 . ( f ) 0 . 1 2 M in NaF and
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identify the unknown compound NMR 13C - 192ppm (d), 136ppm (s), 134ppm (d), 130ppm (d), 129ppm
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Question 1 2 of 2 2 ( 1 point ) I Question Attempt: 1 of 1 The equilibrium constant K c for the decomposition of phosgene, C O C l 2 , is 4 . 6 3 1 0 - 3 at 5 2 7 . C : C O C l 2 ( g ) C O ( g ) + C l 2 ( g ) Calculate the equilibrium partial pressure of all the components, starting with pure phosgene at 0 . 3 6 0 atm. Round each of your answers
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Consider the following half - reactions: ( 1 ) The strongest oxidizing agent is: enter formula ( 2 ) The weakest oxidizing agent is: ( 3 ) The weakest reducing agent is: ( 4 ) The strongest reducing agent is: ( 5 ) Will Z n 2 + ( a q ) oxidize A g ( s ) to A g + ( a q ) ? ( 6 ) Which species can be reduced by H 2 ( g ) ? If none, leave box blank.
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In the Lewis structure for the phosphite ion, PO 3 3 - , how many double bonds are there?

The equation is 4 FeS ( s ) + 7 O 2 ( g ) - > 2 Fe 2 O 3 ( s ) + 4 SO 2 ( g ) , the release is 2 5 1 kJ a ) State whether reaction is exothermic or endothermic b ) Re - write the reaction with energy as a product or reactant ( whichever is appropriate ) c ) Rewrite the reaction with the energy term written separately, to the right. d ) Draw and

What is the structure of this compound.
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Please draw (a) in details and then answer b Cyclopentadiene can be deprotonated with relatively weak bases and shows much higher acidity than the vast majority of other simple hydrocarbons. a) Draw the resonance structures of the resulting anion, and develop a molecular orbital diagram. b) Utilize either of these (resonance structures or MO
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The following statements deal with the factors that affect solubility for solids and gases. For each of the sentences, circle the word that completes correctly the statement about solubility. a. The effects of pressure are significant only in affecting the solubility of ( solids / liquids / gases ) solutes dissolved in (solids / liquids / gases)
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Predict the organic product resulting from each of the following oxidation reactions. a ) b ) c ) K 2 C r 2 O 7
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Calculate the solubility for Ag 2 SO 4 in 0 . 3 6 mol / kg NaCl solution at 2 5 oC , given its solubility product is 1 . 0 0 x 1 0 - 5 . Enter your answer in units of mmol / kg to one decimal place.

2. Given the following solubilities, calculate the Ksp. a) CuS 8.891019mol/L [Answer: 7.901037 ] b) ZnCO3 3.87106mol/L [1.501011]
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Give IUPAC name for each of the following compounds: a ) g ) b ) nexan - 3 - one h )
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Give the major product for the following reactions. Match each item to a choice: Give the major product for the reaction below. H2OA Match each item to a choice
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a . How many unsaturations are there for each of the following?
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Q4. If a rock sample was found to contain 1.16107mol of argon- 40 (Ar-40), how much potassium 40(K40) would have to be currently present for the rock to be 1.8109 years old? Assume that all the Ar-40 comes from K-40. The half-life of K-40 is 1.2109yr. (A) 6.35108mol (B) 7.73108mol (C) 1.83107mol (D) 4.10108mol
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A sample of titanium from another planet was found to crystallize as body - centred cubic, with a density of 4 . 1 6 g cm - 3 . If the atomic radius of titanium is 1 4 7 pm , what is the molar mass of titanium on this other planet? a . 4 9 . 0 g mol - 1 b . 4 8 . 2 g mol - 1 c . 4 7 . 9 g mol - 1 d . 4 7 . 3 g mol - 1 e . 4 6 . 1 g mol - 1

Question 9 ( 4 points ) A concentrated sulfuric acid ( back of Nelson textbook ) solution is available in a lab. A 1 0 0 - m L solution with a concentration of 0 . 8 9 m o l L is required. In the blank space please include the volume of the stock , m L required ( 1 mark ) . In the attached document Write out the pre - lab and procedure for making

What is the reaction mechanism? Please draw with proper arrow - pushing
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Current Attempt in Progess Given the following thermoche mical equations. 11Cl3(n)+NaBr(n)NaCl((t)+21Br2(h)
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What is the index of hydrogen deficiency of this compound? (a) 1 (b) 2 (c) 3 (d) 4
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2 . Edit the formula to include the INDEX function so that it picks up the Element name for the symbol in I 2 ( you can use the formula in K 6 as reference ) .

With reaction mechanism The treatment of 1,3-cyclohexadiene with one equivalent of HBr can result in the formation of two isomeric products. a) Draw the possible products. b) Rationalize your proposal with the underlying reaction mechanism
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1. Compute the binding energy (mass defect) of the carbon atom with six protons and six neutrons (denoted as ( { }^{12}{ }_{6} mathrm{C} ) ). 2. Describe the differences between electromagnetic and particulate radiation. Give examples. 1. Compute the binding energy (mass defect) of the carbon atom with six protons and six neutrons (denoted as 126
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vjicftv v cctv c t

1 . 4 7 . Para un l quido que se comporte de acuerdo a la ecuaci n de estado V m = c 1 + c 2 T + c 3 T 2 - c 4 P - c 5 P T , deduzca las expresiones de .
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Consider the accuracy and precision data, what is the average concentration of the ammonium hydroxide? ( Select from the first four options ) , the RSD of the ammonium hydroxide solutions to three sig figs ( Select from the next four options ) , and the percent error in the average ammonium hydroxide concentration ( final four options ) ?
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What is the product of the following reaction?
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Ammonium carbamate, N H 4 C O 2 N H 2 , decomposes as follows: N H 4 C O 2 N H 2 ( s ) 2 N H 3 ( g ) + C O 2 ( g ) Starting with only the solid, it is found that at 4 0 . 0 C the total gas pressure and ( : C O 2 } is 0 . 5 6 3 atm. Calculate the equilibrium constant K P . Round your answer to 3 significant digits. K P = 1 0
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Shown below is a carbocation intermediate in an electrophile addition reaction of HCl with an alkene Shown below is a carbocation intermedlate in an electrophilic addition reaction of HCl with an alkene. For the conformation shown, select each hydrogen whose bond to carbon is aligned for effective hyperconjugation with the vacant p orbital on the
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1 3 . Order the 3 types of intermolecular forces and the electrostatic force found in ionic compounds ( dipole - dipole, dispersion, hydrogen bonding, ionic attraction ) from weakest to strongest. WEAKEST _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ STRONGEST 1 4 . A semiconductor is composed of a silicon crystal

what is the product or reactant: A l C l 3
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2. (20 pts) Give the structure of the major product of the following reaction
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Fill in the boxes for the missing structures to complete this roadmap of reactions.
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The correct name for the structure shown is: a. (3E)-3,4-dimethylhept-3-ene b. (3E)-2-ethyl-3-methylhex-3-ene c. (2E)-3-methyl-2-propylpent-2-ene d. (2E)-3-ethyl-3-propylbut-2-ene
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Hi , we must consider the overall symmetry of the wavefunction , I thought. shouldn't the overall wave function be antisymmetric? Then we must take care to only match up specific combinations of L and S that result in antisymmetry. How do we consider this, if at all?

Draw the mechanism for following reduction reaction:
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Which of the following is true regarding the stereochemistry about the alkene bonds of structures A, B,C and D ? a. A is an E isomer; B is a trans-isomer, C is a trans-isomer, D is an E isomer b. A is a Z isomer; B is a trans-isomer, C is a cis-isomer, D is a Z isomer C. A is a Z isomer; B is a cis-isomer, C is a trans-isomer, D is an E isomer d.

How to add och3 to a benzene?

most stable and unstable newman projection of n-pentane

With regard to elimination of HBr from the alkyl bromide by reaction with sodium ethoxide (NaOEt), shown below, which of the following is/are true? (i) Alkenes 1, 2 and 3 are regioisomers

Activity 2 : 7 . Describe what a Roman numeral tells you about the metal it is placed with. Explain why a Roman numeral would be needed for some metals and not others. Directions: Use your Periodic Tables and the Criss - Cross Method to determine the correct ionic formula for the following pairs of metals and nonmetals. Show all work! 8 . Cobalt (
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please show the working out The desired final population of a microbial population is a probability of 0.00058 . If the initial population is 5104 and the survival of the population is described by D121=1.5min, and z=11C, estimate the time required to reach the stated probability at 110C. z=logD1logD2(T2T1)logN0logNt=DF z= thermal resistance
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12.7g of copper metal reacted with an excess of silver nitrate. What is the mass of silver produced in this reaction? 1Cu(s)+2AgNO3(aq)1Cu(NO3)2(aq)+2Ag(s)
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3. (32 pts) Draw a mechanism for the following reactions. a. b
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Give the standard line notation for each cell. ( a ) 2 I O 3 - ( a q ) + 1 0 C r 2 + ( a q ) + 1 0 H + ( a q ) 1 0 C r 3 + ( a q ) + I 2 ( a q ) + 5 H 2 O ( l ) P t ( s ) | C r 3 + ( a q ) , I 2 ( a q ) | | C r 2 + ( a q ) , I O 3 - ( a q ) , H + ( a q ) | P t ( s ) P t ( s ) | C r 2 + ( a q ) , C r 3 + ( a q ) | | I O 3 - ( a q ) , H + ( a q ) ,
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HWaterHHimf 3. Given the heating-cooling curve grapht to the right, a) Circle the pontion of the cooling curve for Unkown 12 where a phase changn occurs. b) Explain why that portion of the graph appears the way it does. c) Which unknown should have weaker intermolecular forces? J d) Which unknown should exhibit lower vapor pressure? Justify your
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2 0 . 0 mL of . 5 M propanoic acid ( HC 3 H 5 O 2 , Ka = 1 . 3 x 1 0 ^ - 5 ) is titrated with . 3 M NaOH a . Calculate the pH of the propanoic acid before any NaOH has been added b . Write the net ionic equation for the reaction between NaOH and propanoic acid c . What is the pH when enough NaOH has been added so that half of the original

following themiochenical vquations. ain+tand tocaicutate AJ toe tim reaction FOO(s^)+CO(t)Fe)+CO3(s) MF= ks efextbook and Media
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please balance the following equations! Balance the equation below. If the coeficient is 1, you may lasve the spece blank. H3BO3.H4B11+H2O QUESTION 41 Balance the equation below. If the coefficient is 1, you may leave the space blank. Fe(NO3)3+Na2CO3Fe2(CO3)3+NaNO3 QUESTION 42 Bstance the equation below. If the coefficienfis 1, you may leave the
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Please answer the following for parts A & B In Biochemistry there is a key aspect which is regulation. It affects all aspects of the cell life cycle. Choose 2 of the following and describe how regulation plays an important role. Be as descriptive as possible NOTE: We are not just talking about enzymatic control, but other levels of control too. A-

Find the microstate number And all term symbol for D1 and P5 and S1

Measurements show that unknown compound X has the following composition: Write the empirical chemical formula of X
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Cofactors and coenzymes act to View Available Hint(s) inhibit the binding of the substrate block the enzyme from binding its substrate assist enzymes with their activity increase the activation energy of binding a substrate
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List the values of n , l , ml , and ms for electrons in the 4 p subshell.

26.43gC6H12O6 in 1.30L of solution Express the molarity in moles per liter to three significant figures. X Incorrect; Try Again; 28 attempts remaining Recall the formula for the molarity: -molarity=litersofsolutionmoleofsolute Start by determining the amount of the solute by converting g to mol. Part C 35.4mgNaCl in 110.9mL of solution Express the
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problem solving step by step
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Round your answer to 2 significant figures
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Answer the questions on this page using the balanced chemical reaction below as necessary. 4 NH 3 + 3 O 2 - > 2 N 2 + 6 H 2 O

2. Use a Cause-and-Effect Chain to explain why increasing the temperature increases the rate of a reaction
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Use the standard reduction potentials given below to predict if a reaction will occur when M n metal is put into a 1 M aqueous C r 3 + solution. C r 3 + ( a q ) + 3 e - C r ( s ) , E r e d o = - 0 . 7 4 0 V M n 2 + ( a q ) + 2 e - M n ( s ) , E r e d o = - 1 . 1 8 0 V If a reaction will occur, write a balanced net ionic equation for the reaction.
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d . Draw the major product ( s ) of B in the oxymercuration - demercuration reaction ( ie , " H g " ) You may ignore stereochemistry.
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e . Draw the major product ( s ) of C with B r 2 and H 2 O . Please indicate stereochemistry where relevant.
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formula of sodium azide? N a 3 N 3 N a ( N 3 ) 3 N a 3 ( N 3 ) 3 N a N 3 N a 3 N
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-A gaseous mixture of CHCl3 and CCl4 is made so that the partial pressure of CHCl3 is 0.312atm and the partial pressure of CCl4 is 0.215atm. Calculate the composition (mole fraction) of each compound in the mixture
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please help, thank you Draw a structural formula of the S configuration of the compound shown below. - Use the wedge/hash bond tools to indicate stereochemistry where it exists. - Include H atoms at chiral centers only. - If a group is achiral, do not use wedged or hashed bonds on it
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CH4(s)+Cl2(g)+CH3Cl(g)+HCl(g) eTextbookand Media )2NH3(s)+CO2(s)+CO(NH2)2(s)+H2O(n)
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IR Analysis. Label each peak and identify the corresponding functional group of guaifenesin in your spectra. Include the literature wavenumber ranges of each functional group as a means of comparison. Look up the literature I spectra of guaifenesin and compare yours with it. How do they differ? What might be the reason? NMR Analysis. Label each
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Determine the solute mole fraction of the 1 . 2 5 M C 1 2 H 2 2 O 1 2 ( aq ) solution with a density of 1 . 1 2 g / mL . ( molar mass of C 1 2 H 2 2 0 1 1 = 3 4 2 g / mol )

Will rate fast, thanks! The reaction AB(aq)A(g)+B(g) is second order in AB and has a rate constant of 0.0121 M1*s-1 at 25.0 C. A reaction vessel initially contains 250.0 mL of 0.165 M AB which is allowed to react to form the gaseous product. The product is collected over water at 25.0 C Part A How much time is required to produce 224.0 mL of the

Isoelectronic means that two atoms or ions share the same electron configuration. Which one of the following pairs are isoelectronic? ( a ) M g + and A r ( d ) Z n 2 + and C u + ( b ) O 2 - and K + ( e ) none of the above ( c ) S c + and C a
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answer is 4 8 pipes ( how )
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Solid Calcium carbonate ( M g C O 3 ) decomposes at high temperatures to form solid Magnesium oxide and Carbon dioxide gas. ( 7 ) a ) Write a balanced chemical equation for this reaction b ) If we start off with 6 6 0 g of M g C O 3 , How many moles is this? c ) How many moles of Carbon dioxide could be formed? d ) What mass of Carbon dioxide
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The equilibrium constant K c for the following reaction is 3 . 8 2 1 0 - 5 at 7 2 9 C . I 2 ( g ) 2 I ( g ) Calculate K c and K P for the equilibrium 2 I ( g ) I 2 ( g ) at the same temperature. Round each of your answers to 3 significant digits. Note: Reference the Fundamental constants table for additional information. Part: 0 2 Part 1 of 2 K c =
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how many sigma bonds are in the following molecule \\/\|| o

5molMn;5molO2 Express your answer in moles to two significant figares. X incorrect: Try Again Part B 5.5mal Me; 97ractO2 Express your arswer in moies to tep slonificant figurs. 0.164molMn;0.232molO2 Express your answer in moles to three signifieant flgures. Theoretical yield = I Part D 35.5malMn;565molO3 Exprest your anewer in moles to three
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A particular tank can safely hold gas up to a pressure of 4 4 . 3 atm. When the tank contains 3 8 . 1 g of N 2 at 2 5 C , the gas exerts a pressure of 1 0 . 1 atm. What is the highest temperature to which the gas sample can be heated safely?
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5 . Outline how isothermal distillation may be used to prepare a pure sample.

Which of the following is TRUE when salt is dissolved into water? Select one: a . Water is the solute and salt is the solvent. b . Salt is the solute and water is the solvent. c . Salt and water are both solutes. d . Salt and water are both solvents.
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