If a metallic object is heated, its density generally: w) increases x) decreases y) fluctuates randomly z) remains the same Answer : ANSWER: X -- DECREASES...
What happens to atmospheric pressure with increase in altitude ? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates Answer : Β It decreases...
At one atmosphere, a cylinder with movable piston contains 2,000 milliliters of gas. If the pressure is increased to 5 atmospheres and the temperature remains unchanged, what is the new volume of the gas? w) 10,000 milliliters x) 400 milliliters y) 1,000 milliliters z) 4,000 milliliters Answer : ANSWER: X -- 400 MILLILITERS...
The temperature of a gas is held constant while its volume is reduced. The pressure the gas exerts on the walls of its container increases because its molecules: w) strike the container walls more ... walls with higher speeds y) strike the container walls with greater force z) all of the above Answer : ANSWER: W -- STRIKE THE CONTAINER WALLS MORE OFTEN...
Which of the following is TRUE of a sample of gas at a constant temperature when the pressure is doubled? w)the volume doubles x)the volume halves y)the volume remains the same Answer : ANSWER: X -- THE VOLUME HALVES...
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