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introductory chemistry concepts
Introductory Chemistry Concepts And Critical Thinking 7th Edition Charles Corwin - Solutions
If 70.0 mL of nitrogen gas reacts with 45.0 mL of oxygen gas, what is the volume of N2O3 produced? Assume all gases are at the same temperature and pressure. (8)O°N< (8)O+ (8) N
If 45.0 mL of nitrogen gas reacts with 70.0 mL of oxygen gas, what is the volume of N2O3 produced according to the equation in Exercise 69? Assume all gases are at the same temperature and pressure.Exercise 69If 70.0 mL of nitrogen gas reacts with 45.0 mL of oxygen gas, what is the volume of N2O3
If 50.0 L of hydrogen chloride gas reacts with 10.0 L of oxygen gas, what is the volume of chlorine gas produced? Assume all gases are at the same temperature and pressure. HCl(g) + O₂(g) Cl₂(g) + H₂O(g)
If 3.00 L of sulfur dioxide gas reacts with 1.25 L of oxygen gas, what is the volume of sulfur trioxide gas produced? Assume all gases are at the same temperature and pressure. (8) EOS (8)³0+ (8) Os
If 1.25 L of sulfur dioxide gas reacts with 3.00 L of oxygen gas, what is the volume of sulfur trioxide gas produced according to the equation in Exercise 71? Assume all gases are at the same temperature and pressure.Exercise 71If 3.00 L of sulfur dioxide gas reacts with 1.25 L of oxygen gas, what
If 10.0 L of hydrogen chloride gas reacts with 50.0 L of oxygen gas, what is the volume of chlorine gas produced according to the equation in Exercise 73? Assume all gases are at the same temperature and pressure.Exercise 73If 50.0 L of hydrogen chloride gas reacts with 10.0 L of oxygen gas, what
A chemistry student prepared sodium carbonate by heating 1.50 g of baking soda. If the student collected 0.988 g of Na2CO3 and the theoretical yield is 0.946 g, what is the percent yield?
A chemistry student prepared lead(II) iodide by precipitating 10.0 g of lead(II) nitrate with aqueous potassium iodide. If the student collected 12.5 g of PbI2 and the theoretical yield is 13.9 g, what is the percent yield?
A 1.50-g sample of sodium nitrate is decomposed by heating. If the resulting sodium nitrite has a mass of 1.29 g and the calculated yield is 1.22 g, what is the percent yield?
A 1.00-g sample of potassium bicarbonate is decomposed by heating. If the resulting potassium carbonate weighs 0.725 g and the calculated yield is 0.690 g, what is the percent yield?
What are the units of molar mass?
What are the units of molar volume?
The “volcano reaction” produces chromium(III) oxide, water, and nitrogen gas from the decomposition of ammonium dichromate. Calculate the mass of chromium(III) oxide produced by the decomposition of 1.54 g of ammonium dichromate.
What STP volume of nitrogen gas is produced in the “volcano reaction” from the decomposition of 1.54 g of ammonium dichromate according to the reaction described in Exercise 81?Exercise 81The “volcano reaction” produces chromium(III) oxide, water, and nitrogen gas from the decomposition of
Aluminum metal and manganese(IV) oxide react to produce aluminum oxide and manganese metal. Calculate the mass of aluminum metal that yields 1.00 kg of manganese metal.
What mass of manganese(IV) oxide reacts to produce 1.00 kg of manganese metal according to the reaction described in Exercise 83?Exercise 83Aluminum metal and manganese(IV) oxide react to produce aluminum oxide and manganese metal. Calculate the mass of aluminum metal that yields 1.00 kg of
The mineral stibnite, antimony(III) sulfide, is treated with hydrochloric acid to give antimony(III) chloride and hydrogen sulfide gas. Calculate the STP volume of H2S produced from a 3.00-g sample of stibnite.
What mass of SbCl3 is produced from a 3.00-g sample of stibnite according to the reaction described in Exercise 85?Exercise 85The mineral stibnite, antimony(III) sulfide, is treated with hydrochloric acid to give antimony(III) chloride and hydrogen sulfide gas. Calculate the STP volume of H2S
Recreational vehicles use propane for cooking and heating. The combustion of propane and oxygen produces carbon dioxide and water. What mass of water is produced from the combustion of 10.0 g of propane, C3H8?
What STP volume of carbon dioxide gas is produced from the combustion of 10.0 g of propane according to the reaction described in exercise 87?Exercise 87Recreational vehicles use propane for cooking and heating. The combustion of propane and oxygen produces carbon dioxide and water. What mass of
When an electric current is passed through water, hydrogen and oxygen gases are released. What STP volume of hydrogen gas is released from the electrolysis of 100.0 mL of water?
What STP volume of oxygen gas is released from the electrolysis of 100.0 mL of water according to the reaction described in exercise 89?Exercise 89When an electric current is passed through water, hydrogen and oxygen gases are released. What STP volume of hydrogen gas is released from the
Use the given quantity for each gas listed to complete the following table. Gas methane, CH ethane, C₂H6 propane, C3Hg Molecules 1.50 x 1023 Mass 7.50 g STP Volume 5.58 L
Write a balanced chemical equation for each of the following neutralization reactions:(a) Nitric acid neutralizes an ammonium hydroxide solution.(b) Sulfuric acid neutralizes a potassium hydroxide solution.
Refer to the periodic table and state the atomic mass (in amu) of one atom for each of the following nonmetals.(a) Beryllium(b) Barium(c) Boron(d) Bromine. 2 3 4 AD 6 3 7 11 1 IA 37 5 Rb Li Na 19 55 87 Fr 4 2 IIA Be 12 Mg 20 38 56 Ba 88 Ra 3 IIIB 21 Sc 39 57 Y La 89 Atomic
Refer to the periodic table and state the number of atoms in each of the following masses.(a) 195.08 amu Pt(b) 195.08 g Pt. 2 3 4 AD 6 3 7 11 1 IA 37 5 Rb Li Na 19 55 87 Fr 4 2 IIA Be 12 Mg 20 38 56 Ba 88 Ra 3 IIIB 21 Sc 39 57 Y La 89 Atomic
Write a balanced equation for each of the following combination reactions.(a) Sulfur is heated with oxygen to form sulfur dioxide gas.(b) Sulfur is heated with oxygen and Pt catalyst to form sulfur trioxide gas.
Balance each of the following chemical equations by inspection.(a) Fe(s) + H2O(g) → Fe3O4(s) + H2(g) (b) FeS(s) + O2(g) → Fe2O3(s) + SO2(g).
Refer to the periodic table and state the mass of 6.02 x 1023 atoms of each of the following metals.(a) Sodium(b) Strontium(c) Silicon(d) Selenium. 2 3 4 av 6 3 7 11 1 IA 37 5 Rb 4 Li B Na 19 55 87 2 IIA Fr Be 12 Mg 20 38 56 Ba 88 Ra 3 IIIB 21 Sc 39 57 Y La 89 Atomic
What is the molar mass of ammonium dichromate, (NH4)2Cr2O7?(a) 238.09 g/mol(b) 252.10 g/mol(c) 260.18 g/mol(d) 372.18 g/mol(e) 386.19 g/mol.
Calculate the number of sodium atoms in 0.120 mol Na. Strategy Plan STEP 1: What unit is asked for in the answer? STEP 2: What given value is related to the answer? given value 0.120 mol Na Step 1: STEP 3: What unit factor(s) should we apply? Since 1 mol Na = 6.02 x 1023 atoms Na, the two unit
Calculate the number of molecules in 0.0763 mol of chlorine gas, Cl2.
Refer to the periodic table and state the molar mass for each of the following.(a) Gallium, Ga(b) Germanium, Ge(c) Antimony, Sb(d) Selenium, P. 2 3 4 AD 6 3 7 11 1 IA 37 5 Rb Li Na 19 55 87 Fr 4 2 IIA Be 12 Mg 20 38 56 Ba 88 Ra 3 IIIB 21 Sc 39 57 Y La 89 Atomic
Iron can react with chlorine gas to give two different compounds, FeCl2 and FeCl3. If 0.558 g of metallic iron reacts with chlorine gas to yield 1.621 g of iron chloride, which iron compound is produced in the experiment?
In a laboratory experiment, 0.500 g of scandium was heated and allowed to react with oxygen from the air. The resulting product oxide had a mass of 0.767 g. Now, let’s find the empirical formula for scandium oxide, Sc?O?.
Calculate the volume in liters for each of the following gases at STP.(a) 0.250 g of helium, He(b) 2.22 x 1022 molecules of methane, CH4.
Calculate the volume in liters for each of the following gases at STP.(a) 5.05 g of nitrogen, N2(b) 4.18 x 1024 molecules of ethane, C2H6.
Use the given quantity for each gas listed to complete the following table. Gas ozone, 03 carbon dioxide, CO₂ carbon monoxide, CO Molecules 2.50 × 1022 Mass 1.83 g STP Volume 0.930 L
If the percent sodium in a salt crystal, NaCl, is 39.34%, what is the percent sodium in a kilogram of salt?
If the percent chlorine in a salt crystal, NaCl, is 60.66%, what is the percent chlorine in a pillar of salt?
Lactose is a sugar found in milk. Calculate the percent composition of lactose, C12H22O11.
Benzoyl peroxide is the active ingredient in an acne cream. Calculate the percent composition of benzoyl peroxide, C7H6O3.
Methionine is an essential amino acid in protein. Calculate the percent composition of methionine, C5H11NSO2.
Monosodium glutamate (MSG) is added to food to enhance the flavor. Calculate the percent composition of MSG, NaC5H8NO4.
Mercurochrome dissolved in water is a reddish liquid formerly used as an antiseptic. Calculate the percent composition of mercurochrome, HgNa2C20H8Br2O6.
Chlorophyll is a dark green plant pigment. Calculate the percent composition of chlorophyll, C55H70MgN4O6.
A 1.115-g sample of cobalt was heated with excess sulfur to give 1.722 g of cobalt sulfide. What is the empirical formula of the cobalt sulfide?
A 1.115-g sample of cobalt was heated with excess sulfur to give 2.025 g of cobalt sulfide. What is the empirical formula of the cobalt sulfide?
In an experiment, 2.410 g of copper oxide produced 1.925 g of copper metal after heating with hydrogen gas. What is the empirical formula of the copper oxide?
Which of the following is experimental evidence of a chemical reaction?(a) Pouring vinegar on baking soda gives foamy bubbles.(b) Mixing two solutions produces insoluble particles.(c) Mixing two colorless solutions gives a yellow solution.(d) Mixing two solutions produces a temperature increase.
Write a balanced chemical equation for each of the following double-replacement reactions:(a) Aqueous zinc sulfate is added to a sodium carbonate solution.(b) Aqueous manganese(II) nitrate is added to a potassium hydroxide solution.
Write a balanced equation for the reaction of acetic acid added into a test tube containing baking soda, as shown in the illustration. www
Identify the salt product from the reaction of hydrochloric acid and sodium hydroxide.
Balance each of the following chemical equations by inspection (a) H₂(g) + N₂(g) → NH3(g) (b) Al2(CO3)3(s)→ Al₂O3(s) + CO₂(8) (c) Sr(s) + H₂O(1)→ Sr(OH)₂(aq) + H₂(g) (d) K₂SO4(aq) + Ba(OH)₂(aq) → BaSO4(s) + KOH(aq) (e) H3PO4(aq) + Mn(OH)₂(s)→ Mn3(PO4)2(s) + H₂O(1)
Write a balanced equation for the reaction of lead(II) acetate solution poured into a beaker containing sodium iodide solution, as shown in the illustration. -200
Write a balanced chemical equation for each of the following neutralization reactions:(a) Chloric acid neutralizes a strontium hydroxide solution.(b) Phosphoric acid neutralizes a sodium hydroxide solution.
Balance each of the following chemical equations by inspection. (a) Co(s) + O₂(g) → Co₂O3(s) (b) LiClO3(s) → LiCl(s) + O₂(g) (c) Cu(s) + AgC₂H₂O₂(aq) → Cu(C₂H₂O₂)2(aq) + Ag(s) (d) Pb(NO3)2(aq) + LiCl(aq) →PbCl₂(s) + LiNO3(aq) (e) H₂SO4(aq) + Al(OH)3(aq) →
Balance each of the following chemical equations by inspection (a) Pb(s) + O₂(g) → PbO(s) (b) LINO3(s)→→LiNO₂(s) + O₂(g) (c) Mg(s) + HC₂H₂O₂(aq) → Mg(C₂H₂O₂)2(aq) + H₂(g) (d) Hg2(NO3)2(aq) + NaBr(aq) → Hg₂Br₂(s) + NaNO3(aq) (e) H₂CO3(aq) + NH₂OH(aq) →
Balance each of the following chemical equations by inspection. (a) Sn(s) + P(s) →→→Sn3P₂(s) (b) Fe₂(CO3)3(s) → Fe₂O3(s) + CO₂(g) (c) Fe(s) + Cd(NO3)2(aq) → Fe(NO3)3(aq) + Cd(s) (d) Co(NO3)2(aq) + H₂S(g) → CoS(s) + HNO3(aq) (e) HClO4(aq) + Ba(OH)₂(s)→ Ba(ClO4)2(s) +
Classify each reaction in Exercise 17 as one of the following: combination, decomposition, single replacement, double replacement, or neutralization.Exercise 17Balance each of the following chemical equations by inspection (a) H₂(g) + N₂(g) → NH3(g) (b) Al2(CO3)3(s)→ Al₂O3(s) +
Classify each reaction in Exercise 18 as one of the following: combination, decomposition, single replacement, double replacement, or neutralization.Exercise 18Balance each of the following chemical equations by inspection. (a) Co(s) + O₂(g) → Co₂O3(s) (b) LiClO3(s) → LiCl(s) + O₂(g) (c)
Classify each reaction in Exercise 19 as one of the following: combination, decomposition, single replacement, double replacement, or neutralization.Exercise 19Balance each of the following chemical equations by inspection (a) Pb(s) + O₂(g) → PbO(s) (b) LINO3(s)→→LiNO₂(s) + O₂(g) (c)
Classify each reaction in Exercise 20 as one of the following: combination, decomposition, single replacement, double replacement, or neutralization.Exercise 20Balance each of the following chemical equations by inspection. (a) Sn(s) + P(s) →→→Sn3P₂(s) (b) Fe₂(CO3)3(s) → Fe₂O3(s) +
Write a balanced equation for each of the following combination reactions.(a) Nickel metal is heated with oxygen gas to produce solid nickel(II) oxide.(b) Iron wool is heated with oxygen gas to produce solid iron(III) oxide.
Write a balanced equation for each of the following combination reactions.(a) Tin metal is heated with oxygen gas to yield solid tin(IV) oxide.(b) Lead metal is heated with oxygen gas to yield solid lead(II) oxide.
Write a balanced equation for each of the following combination reactions.(a) Carbon is heated with oxygen to give carbon monoxide gas.(b) Phosphorus is heated with oxygen to give solid diphosphorus pentaoxide.
Write a balanced equation for each of the following combination reactions.(a) Nitrogen is heated with oxygen to form dinitrogen pentaoxide gas.(b) Chlorine is heated with oxygen to form dichlorine trioxide gas.
Write a balanced equation for each of the following combination reactions.(a) Copper metal is heated with chlorine gas to give solid copper(I) chloride.(b) Cobalt metal is heated with sulfur powder to give solid cobalt(II) sulfide.
Write a balanced equation for each of the following combination reactions.(a) Iron is heated with fluorine gas to yield solid iron(III) fluoride.(b) Lead is heated with phosphorus powder to yield solid lead(IV) phosphide.
Write a balanced equation for each of the following combination reactions.(a) Chromium is heated with oxygen to give solid chromium(III) oxide.(b) Chromium is heated with nitrogen to give solid chromium(III) nitride.
Complete and balance each of the following combination reactions. (a) Li + O2 → (b) Ca + O2 →
Complete and balance each of the following combination reactions.(a) Sr + O2 →(b) Al + O2 →
Complete and balance each of the following combination reactions.(a) Na + I2 →(b) Ba + N2 →
Complete and balance each of the following combination reactions.(a) Zn + P →(b) Al + S →
Write a balanced equation for each of the following decomposition reactions.(a) Solid potassium hydrogen carbonate decomposes with heat to give solid potassium carbonate, water, and carbon dioxide gas.(b) Solid strontium hydrogen carbonate decomposes with heat to give solid strontium carbonate,
Write a balanced equation for each of the following decomposition reactions:(a) Solid silver hydrogen carbonate decomposes with heat to give solid silver carbonate, water, and carbon dioxide gas.(b) Solid nickel(II) hydrogen carbonate decomposes with heat to give solid nickel(II) carbonate,
Write a balanced equation for each of the following decomposition reactions.(a) Solid cobalt(III) carbonate decomposes with heat to give solid cobalt(III) oxide, and carbon dioxide gas.(b) Solid tin(IV) carbonate decomposes with heat to give solid tin(IV) oxide, and carbon dioxide gas.
Write a balanced equation for each of the following decomposition reactions.(a) Solid chromium(III) carbonate decomposes with heat to give solid chromium(III) oxide and carbon dioxide gas.(b) Solid lead(IV) carbonate decomposes with heat to give solid lead(IV) oxide and carbon dioxide gas.
Complete and balance each of the following decomposition reactions.(a) AgHCO3(s) →(b) Zn(HCO3)2(s)→
Complete and balance each of the following decomposition reactions.(a) Li2CO3(s) →(b) CdCO3(s) →
Write a balanced equation for each of the following decomposition reactions.(a) Solid calcium nitrate decomposes with heat to give solid calcium nitrite and oxygen gas.(b) Solid silver sulfate decomposes with heat to give solid silver sulfite and oxygen gas.
Write a balanced equation for each of each of the following decomposition reactions.(a) Solid stannous chlorate decomposes with heat to give solid stannous chloride and oxygen gas.(b) Solid plumbic oxide decomposes with heat to give solid plumbous oxide and oxygen gas.
Balance each of the following decomposition reactions.(a) NaClO3(s) → NaCl(s) + O2(g) (b) Ca(NO3)2(s) → Ca(NO2)2(s) + O2(g).
Balance each of the following decomposition reactions:(a) AlPO4(s) → AlPO3(s) + O2(g) (b) SnSO4(s) → SnSO3(s) + O2(g).
Predict which of the following metals reacts with aqueous copper(II) nitrate.(a) Ag(b) Sn(c) Co(d) Mn.
Predict which of the following metals reacts with aqueous cadmium nitrate.(a) Hg(b) Pb(c) Ni(d) Cr.
Predict which of the following metals reacts with sulfuric acid.(a) Ag(b) Sn(c) Co(d) Mn.
Predict which of the following metals reacts with hydrochloric acid.(a) Hg(b) Pb(c) Ni(d) Cr.
Predict which of the following metals reacts with water at room temperature.(a) Li(b) Mg(c) Ca(d) Al.
Predict which of the following metals reacts with water at room temperature.(a) Ba(b) Mn(c) Sn(d) K.
Write a balanced equation for each of the following singlereplacement reactions.(a) Aluminum wire is added to a copper(II) nitrate solution.(b) Copper wire is added to an aluminum nitrate solution.
Write a balanced equation for each of the following singlereplacement reactions.(a) Cadmium wire is added to a silver nitrate solution.(b) Silver wire is added to a cadmium nitrate solution.
Write a balanced equation for each of the following single replacement reactions.(a) Nickel metal is added to a lead(II) acetate solution.(b) Lead metal is added to a nickel(II) acetate solution.
Write a balanced equation for each of the following singlereplacement reactions.(a) Iron is added to a mercury(II) sulfate solution.(b) Mercury is added to an iron(II) sulfate solution.
Write a balanced equation for each of the following single replacement reactions.(a) Magnesium metal is added to nitric acid.(b) Manganese metal is added to hydrochloric acid.
Write a balanced equation for each of the following singlereplacement reactions.(a) Zinc granules are added to carbonic acid.(b) Cadmium metal is added to acetic acid.
Write a balanced equation for each of the following single replacement reactions.(a) A soft, gray piece of lithium metal is added to water.(b) A small piece of barium metal is added to water
Write a balanced equation for each of the following single replacement reactions.(a) A gray chunk of cesium is added to water.(b) A piece of radioactive radium is added to water.
Complete and balance each of the following single replacement reactions.(a) Zn(s) + Pb(NO3)2(aq) →(b) Cd(s) + Fe(NO3)2(aq) →
Complete and balance each of the following single replacement reactions.(a) Mg(s) + NiSO4(aq) →(b) Al(s) + SnSO4(aq) →
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