Q 6 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

Answered: Image /qna-images/answer/31a29f76-9f10-4f9a-b7eb-dc81a8ec9140.jpg

Answered: (6) The pressure of the gas (mmHg)…

(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 Palm 755mmHg h 3.8 cm

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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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Q 6 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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