A sample of 0.500 mol of hydrogen has a pressure of 3.00 atm and a

temperature of 799K. What is its volume?

Humans have the ability to change characteristics, or traits, of organism over time. What is this process called?

I have an assignment in science and im stuck on a question which says where can each stage of the water cycle be seen in everyday life and im not sure what to put down for condensation

Every acid contains hydrogen. True False

2. In a molecule represented by the chemical formula C6H12O6, how many atoms of each element are present?

The molar mass of glucose is 180.2 g/mol. How many grams of glucose will be produced when 132.0 g of CO2 reacts with an excess of water?

The frequency of a given region of the electromagnetic spectrum is more than 3 x 1019 HZ. Note that the speed of light is 2.998 x 108 m/s. Which waves are found in this region? A. gamma rays B. visible light C. microwaves D. radio waves E. x-rays

A farmer uses water to irrigate his potato crops. Which roles of water does this examplify

How was helium first discovered?

When is alpha particle emission most likely to occur? A. When the nucleus has more than 83 protons. B. When the ratio of neutrons to protons in the nucleus is too high to be stable. C. When the nucleus has a mass of more than 83 amu. D.

Researchers used a combustion method to analyze a compound used as an antiknock additive in gasoline. A 9.394 mg sample of the compound yielded 31.154 mg of carbon dioxide and 7.977 mg of water in the combustion.