Q 1 please (1) The molar mass of a gas (g/mol) that has a density of 0.42 g/L at 37 °C and 0.2 atm is:(A) 44.0(B) 80.1(D) 53.4(C) 22.0(2) Which of the following substances (all) gets the warmest (y) when absorbs the sameamount of heat?(A) H₂O(1) (S = 4.18 J/g. °C)(C) Polystyrene (S = 8.31 J/g. °C)(3) Which of the following is not a unit of temperature?(A) Calori(B) Kelvin(B) Fe(s) (S = 0.45 J/g. °C)(D) Carbon graphite (S = 0.71 J/g. °C)(C) Kilojoule(D) Kilopascal(4) A 32 g of O2(g) is mixed with 12 g He(g), and 3 mole of CO(g) in closed container. If the totalpressure in the container is 9 atm. The PHe (atm) is:(A) 0.96(B) 1.50(C) 3.8(D) 1.29(5) Consider the reaction:2H2(g) + O2(g) → 2H₂O(1)The heat produced (KJ) to produce 1.0 mole of H₂O(1) is:(A) -572(B)-286AH = -572 KJ(C) -57.2(6) The pressure of the gas (mmHg) given by the following manometer is:(A) 793.0(B) 751.2(C) 758.8(D) 717.0gas(D) -28.6Patm-755mmHgh 3.8cm

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Answered: (1) The molar mass of a gas (g/mol)…

(1) The molar mass of a gas (g/mol) that has a density of 0.42 g/L at 37 °C and 0.2 atm is: (A) 44.0 (B) 80.1 (D) 53.4 (C) 22.0 (2) Whil

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Q 1 please

(1) The molar mass of a gas (g/mol) that has a density of 0.42 g/L at 37 °C and 0.2 atm is:
(A) 44.0
(B) 80.1
(D) 53.4
(C) 22.0
(2) Which of the following substances (all) gets the warmest (y) when absorbs the same
amount of heat?
(A) H₂O(1) (S = 4.18 J/g. °C)
(C) Polystyrene (S = 8.31 J/g. °C)
(3) Which of the following is not a unit of temperature?
(A) Calori
(B) Kelvin
(B) Fe(s) (S = 0.45 J/g. °C)
(D) Carbon graphite (S = 0.71 J/g. °C)
(C) Kilojoule
(D) Kilopascal
(4) A 32 g of O2(g) is mixed with 12 g He(g), and 3 mole of CO(g) in closed container. If the total
pressure in the container is 9 atm. The PHe (atm) is:
(A) 0.96
(B) 1.50
(C) 3.8
(D) 1.29
(5) Consider the reaction:
2H2(g) + O2(g) → 2H₂O(1)
The heat produced (KJ) to produce 1.0 mole of H₂O(1) is:
(A) -572
(B)-286
AH = -572 KJ
(C) -57.2
(6) The pressure of the gas (mmHg) given by the following manometer is:
(A) 793.0
(B) 751.2
(C) 758.8
(D) 717.0
gas
(D) -28.6
Patm-755mmHg
h 3.8
cm

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