A sample of N2 gas occupying 800 mL at 20.0°C is chilled on ice to 0.00°C. If the pressure also drops from 1.50 atm to 1.20 atm, what is the final volume of the gas? Which equation should you use?

What is humus in soil composed of? Weathered rocks Worms Chick peas Decayed organic remains

If atoms are made up smaller parts such as electrons, why are atoms considered the basic unit of matter

A climate-control heat pump can both heat and cool a building by A. moving heat energy from a low-temperature source to a high-temperature sink. B. moving heat energy from a high-temperature source to a low-temperature sink. C.

A sodium atom loses one electron. Which of the following is the correct symbol for the sodium cation? Na - Na + Na+2 Na+3

Where do most of the drugs in the us come from?

Choose the correct answer from the options given. Ethanol can react with hydrochloric acid to form chloroethane and water. When sulfuric acid is added, the reaction proceeds more quickly.

You have a balloon that is filled with 1000 cm3 of air. The balloon is inside your house where the temperature is 20°C. You take the balloon outside where the air temperature is 10°C.

12.5M AgNO3 is made using 3.5L H2O. How many grams AgNO3 are needed to produce the solution?

What is the net charge on an ion that has 9 protons, 11 neutrons, and 10 electrons? (1) 1 + (3) 1- (2) 2 + (4) 2-

The structure of the periodic table is based on the distribution