The number of atoms in a container is increased by a factor of 2 while the temperature is held constant. The pressureA. Decreases by a factor of 4.B. Decreases by a factor of 2.C. Stays the same.D. Increases by a factor of 2.E. Increases by a factor of 4.

16. Given that 635 K equals to 362°C, then 902 K equals to?a. 514°C.b. 629°C.c. 650°C.d. 1 175°C.17. As a copper wire is heated, its length increases by 0.50%. What is the change of thetemperature of the wire? (αCu = 16.6 × 10−6/C°)a. 83.0°Cb. 301°Cc. 60.2°Cd. 226°C18. If heat is flowing from a table to a block of ice moving across the table, which of thefollowing must be TRUE?a. The table is rough and there is friction between the table and ice.b. The ice is cooler than the table.c. The ice is changing phase.d. All three are possible, but none is absolutely necessary

Choose the correct answer 1. You have a 90 cm long iron rod at 15 ° C that heats up to 300 ° C. What happens with the rod is that: A. It melts. B. Double the length. C. Decrease its length a few centimeters. D. Increase its length by a few millimeters. 2. A student blows up a balloon and places it in his home freezer. After a long time, the balloon is removed from the freezer and it is observed that: A. The volume decreases as a certain amount of air escapes. B. It remains the same, because the air inside it does not expand or contract. C. The volume increases, because the air inside it expands D. The volume decreases as the air inside it contracts

9. An insulated beaker with negligible mass contains 0.250 kg of water at a temperature of 75.0 degrees Celsius. How many kilograms of ice at a temperature of -20 degrees Celsius must be dropped into the water to make the final temperature of the system 30.0 degrees Celsius? A. 94.0 g B. 107 g C. 141 g D. 281 g E. 595 g

c. 90° 39. At what temperature are the Celsius and Fahrenheit equal? a. +40° b. - 40° C. 0° 40. Which one among the following denotes the d. 100° d. +100°

11. Steam at 100°C is added to ice at 0°C. a. Find the amount of ice melted and the final temperature when the mass of steam is 10 g and the mass of ice is 50 g. b. Repeat with steam of mass 1.0 g and ice of mass 50 g. [50 g. 40°C, 8 g, 0°C]

5. A copper cylinder is initially at 20.0 °C. By how much should the temperature increase so that its length will be 0.150% larger than it is at 20.0 °C? Note for copper a = 1.7 x 10^-5 K^-1. * A. 29.4 °C B. 49.4 °C C. 88.2 °C D. 108 °C O E. 2941 *c

Three identical beakers each hold 1000 g of water at 20°C. 100 g of liquid water at 0°C is added to the first beaker, 100 g of ice at 0°C is added to the second beaker, and the third beaker gets 100 g of aluminum at 0°C. The contents of which container end up at the lowest final temperature?A. The first beaker.B. The second beaker.C. The third beaker.D. All end up at the same temperature.

The ideal gas law relates the a. only the pressure and volume of a gas. b. only the number of gas molecules and the temperature of the gas. С. pressure and volume of a gas to the number of gas molecules and the temperature of the gas. d. volume of a gas to the number of gas molecules and the temperature of the gas.