CHEM 1A 22) Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) +...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
CHEM 1A 22) Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) + H₂SO4 (aq) → ZnSO4 (aq) + H₂ (g) FINAL EXAM PRACTICE WORKSHEET In an experiment, 201 ml. of wet Hy is collected over water at 27 °C and a barometric pressure of 765 torr. How many grams of Zn have been consumed? The vapor pressure of water at 27 °C is 26.74 tom. A) 4.38 x 106 B) 0.519 C) 519 D) 394 E) 3.94 x 105 Answer: B C) 2.37 D) 1800 E) 0.0538 Answer: C if the mixture of Xe, Kr, and Ar has a total pressure of 6.69 atm. What is the mole fraction of Kr if the partial pressures of Xe and Ar are 1.92 atm and 2.75 atm, respectively. A) 0.302 B) 0.287 C) 0.411 1.92 +2.75=4:67 D) 0.259 E) 0.698 Answer: A C) 16.0 D) 106 E) 226 Answer: C 6.69 .302 24) 0.7515 moles of nitrogen gas and 0.1135 moles of methane gas are placed in a 171.6 ml container at 20.8 °C. What is the partial pressure (atm) of methane gas? A) 1.14 B) 0.473 . 25) What is the density of carbon dioxide gas (g/L) at 1106.2 mm Hg and 56.3 °C? A) 13.9 B) 0.0234 CHEM 1A 22) Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s) + H₂SO4 (aq) → ZnSO4 (aq) + H₂ (g) FINAL EXAM PRACTICE WORKSHEET In an experiment, 201 ml. of wet Hy is collected over water at 27 °C and a barometric pressure of 765 torr. How many grams of Zn have been consumed? The vapor pressure of water at 27 °C is 26.74 tom. A) 4.38 x 106 B) 0.519 C) 519 D) 394 E) 3.94 x 105 Answer: B C) 2.37 D) 1800 E) 0.0538 Answer: C if the mixture of Xe, Kr, and Ar has a total pressure of 6.69 atm. What is the mole fraction of Kr if the partial pressures of Xe and Ar are 1.92 atm and 2.75 atm, respectively. A) 0.302 B) 0.287 C) 0.411 1.92 +2.75=4:67 D) 0.259 E) 0.698 Answer: A C) 16.0 D) 106 E) 226 Answer: C 6.69 .302 24) 0.7515 moles of nitrogen gas and 0.1135 moles of methane gas are placed in a 171.6 ml container at 20.8 °C. What is the partial pressure (atm) of methane gas? A) 1.14 B) 0.473 . 25) What is the density of carbon dioxide gas (g/L) at 1106.2 mm Hg and 56.3 °C? A) 13.9 B) 0.0234
Expert Answer:
Answer rating: 100% (QA)
The detailed answer for the above question is provided below Answer 22 B 0519 In this question we are asked to calculate the number of grams of Zn con... View the full answer
Related Book For
Chemistry The Central Science
ISBN: 9780321910417
13th Edition
Authors: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Posted Date:
Students also viewed these chemistry questions
-
A sample of nitrogen gas was collected over water at 20. o C and a total pressure of 1.00 atm. A total volume of 2.50 10 2 mL was collected. What mass of nitrogen was collected? (At 20. o C the...
-
A sample of NO is collected over water in a 75.0 mL container at 25C. If the total pressure is 0.495 atm, how many grams of NO are collected?
-
A sample of ClO2 is collected over water in a 0.800 L container at 15C. If the total pressure is 1.002 atm, how many grams of ClO2 are collected?
-
Homzmart was founded in late 2019 by Daraz's former COO Mahmoud Ibrahim and Ibrahim Mohammed who led Jumia's h homzmart logistics development in Egypt to make furniture discovery and shopping easier...
-
A bond has a current yield of 9% and a yield to maturity of 10%. Is the bond selling above or below par value? Explain.
-
The Tycron Company produces three electrical productsclocks, radios, and toasters. These products have the following resource requirements: The manufacturer has a daily production budget of $2000 and...
-
Which class of stockholders takes the greater investment risk? a. Common b. Preferred c. Neither; bondholders take the most risk d. Both preferred and common take equal risk
-
Suppose Ramirez Ltd. Just issued a dividend of $1.89 per share on its common stock. The company paid dividends of $1.47, $1.62, $1.67, and $1.78 per share in the last four years. If the stock...
-
The effect of the pandemic has a major impact on the income of the Indonesian tourism sector, including hotel entrepreneurs. The impact of the government policy, which began to close down several...
-
Parent Co. owns 75% of Sub Co. and uses the cost method to account for its investment. The following are summarized income statements for the year ended December 31, Year 7. Additional Information: ...
-
T(n) = 2T (n/4) + 1 T(n) = 2T (n/4) + n Solve the following recurrences using the Master Theorem T(n) = 27 (n/4) + n T(n) = 27 (n/4) + n
-
The sales of RP by a corporation registered with/certified by HLURB or HUDCC as engaged in socialized housing project where selling price of house and lot equivalent or not more than P450,000 are...
-
Are purchasing, sourcing and procurement the same or different? If different, identify some of the ways in which they differ. Imagine you are the procurement manager for a leading mobile...
-
Marlo Co. received $100,000 cash from a customer paying his account from a prior sale on credit. Marlo should record: Multiple Choice dr. Accounts receivable $100,000 cr. Retained earnings $100,000...
-
We want to transmit the word ENJOY using an 256-ary modulation.Suppose it encoded using 7 bit ASCII and plus an 8th error bit.how many symbols would be used to represent the word ENJOY? O a. 5 O b. 8...
-
How does our bank address the challenges of financial inclusion, striving to provide access to banking services for underserved populations and promoting economic empowerment through initiatives such...
-
Tidal forces from the moon and sun cause the earth's oceans to increase and decrease in height throughout the day. This change in vertical height causes a change in horizontal speed of ocean water....
-
A local politician is concerned that a program for the homeless in her city is discriminating against blacks and other minorities. The following data were taken from a random sample of black and...
-
A gas bubble with a volume of 1.0 mm 3 originates at the bottom of a lake where the pressure is 3.0 atm. Calculate its volume when the bubble reaches the surface of the lake where the pressure is 730...
-
Imagine the primitive cubic lattice. Now imagine pushing on top of it, straight down. All angles remain 90. What kind of primitive lattice have you made?
-
You read the following statement about two elements X and Y: One of the elements is a good conductor of electricity, and the other is a semiconductor. Experiments show that the first ionization...
-
Describe the relationship between the main processor and coprocessor in a system with which you are familiar or one that you discover through Web research.
-
The instruction set of a certain processor does not have the JLE, JLT, JGE (jump less equal, less than, and greater or equal), and JGT instructions. Assume the process does not have all other...
-
Discuss the possibility of an n-address machine, where n > 3.
Study smarter with the SolutionInn App