Explain why gas is condensed when they're cooled

Kim is doing an experiment with sound waves. She tested to see how quickly a sound wave could travel through three different materials: a metal pole, a helium balloon and a glass of water. She recorded her results.

Which of the following would increase the pressure acting on a closed-system chemical reaction? adding a chemical inhibitor increasing the temperature of the chemical reaction decreasing the surface area of the reactants

Which of the following units can be used to measure the mass of a grain of salt? A. milliliters B. milliseconds C. millimeters D. milligrams

Is particle size one of the factors that affect solubility? How?

In real-life situations, workers collect water samples in a lake or stream instead of using Samples A and B. For this lab to work, sodium carbonate was added to make the water samples alkaline.

Which of the following statements about igneous rocks is correct A. intrusive igneous rocks are formed when magma is called above the ground. B. Extrusive igneous rocks are formed when magma is cooled above the ground C.

The compound KOH is called

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?

If 100 mL of a gas were enclosed in a buret at 500 mm Hg, what volume would the gas occupy at 1000 mm Hg at the same temperature? P1V1=P2V2

Would Mn (HPO4) 2 be manganese (II) monohydrogen phosphate?