Question

General Chemistry 11/8/2019 Name:NUNLOP 10 1 The kinetic molecular theory predicts that pressure rises as the temperature of a gas increases because A) the average kinetic energy of the pas molecules decreases B) the gas molecules collide more frequently with the wall C) the pas molecules collide less frequently with the wall D) the gas molecules collide more energetically with the wall E) both the gas molecules collide more frequently with the wall and the gas molecules collide more energetically with the wall An ideal gas deviates and behaves like a real gas under conditions of A) high temperature and high pressure C) high temperature and low pressure E) STP B) low temperature and high pressure D) low temperature and low pressure A sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 L to 15 L. The final pressure is _atm. A) 0.67 B) 7.5 C) 1.5 D) 3.3 E) 15 If 50.75 g of a gas occupies 10 L at STP, 129.3 g of the gas will occupy Lat STP. A) 3.92B ) 50.8 C) 12. 9 D ) 25.5 E) 5.08 60.82 L The amount of gas that occupies 60.82 L at 31.0°C and 367 mm Hg is mol A) 1.18 B) 0.850 C) 894 D) 11.6 E) 0.120 31,00 Pressure is defined as force per unit of area. What are the units of pressure? a. pounds b. gm/mL c, ko m /s d. N/m? 760 Automobile air bags use the decomposition of sodium azide as their source of gas for rapid inflation: 2NaN3 (8) + 2Na (s) + 3N2 (8) What mass() of NaN3 is required to provide 40.0 L of N2 at 25.0°C and 763 torr? A) 1.64 B) 1.09 C) 160 D) 71.1 E) 107 A sample of He gas (2.35 mol) occupies 57.9 L at 300 K and I atm. The volume of this sample is at 423 K & 1.00 atm. A) 0.709B) 41.1 C) 81.6 D) 1.41 E) 57.9 "482 8 9 of the following gases, given temperature. will have the greatest rate of effusion at a D) HBTE) HCI C) Ar 10. From left to right, the graphs below represent which gas laws? Volume in Los Volume i Temperature in Kelvin -) Charles Dalton, Avogadros (b) Charles, Boyles, Avogadros Charles, Boyles, Dalton (0) Boyles, Charles, Avogadros Identify the element that is a gas at normal atmospheric conditions? a) Carbon b) Neon c) Mercury d) Aluminum Given a sample of 1 gram of water, in which state will the volume be greater? a) solid b) liquid c) gas

Answer 1

As per HOMEWORKLIB POLICY I can answer only the first question:

1) As per molecular kinetic theory, pressure increases on increasing temperature because both the frequency and energy of collision with the walls of container increases

So correct answer is option E.