A sample of gas in a balloon has an initial temperature of 2.0 ∘C and a volume of 1.53*103 L. If the temperature changes to 99 ∘C, and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?

What molecule does fermentation provide to glycolysis

A chemist measures the amount of fluorine gas produced during an experiment. He finds that 482. g of fluorine gas is produced. Calculate the number of moles of fluorine gas produced. Be sure your answer has the correct number of significant digits.

How would you classify the fossil fuel, petroleum, in terms of a resource? Justify your answer in two or more complete sentences.

A chemical formula written above or below the yield sign indicates: a. that a gas is formed. b. that the substance is used as a catalyst. c. that heat must be supplied. d. a reversible reaction.

When wind and rain break down a rock over a period of time, this is called chemical weathering. True or False

When water is placed in a thin glass tube, it tends to climb up the walls of the tube. This effect is known as capillary action. What causes this capillary action? A. metallic bonding B. covalent bonding C. ionic bonding D. hydrogen bonding

Earth rotates once every 24 hours. What does this mean? A. Earth makes one full trip around the Moon every 24 hours. B. Earth completes a full spin on its axis once every 24 hours. C. Earth makes one full trip around the Sun every 24 hours. D.

Compare and contrast the outer core and the inner core.

What colors make the color turquoise?

12.23 g of ammonia (NH3) are dissolved in enough water to make 560.0 mL of solution. How many moles of NH3 are added to the water?