Is rock solution because it is made up of minerals, water, stone, and dirt?

0.450 moles of K2SO4 are dissolved in 195.0 mL of water. Calculate the molarity of the solution.

When substances change into new substances, the process must involve: a physical change a chemical change heat being produced heat being absorbed

As a result of the reaction, 34.1 grams of ammonia (NH3) was produced. What volume of hydrogen gas at 20.0°C and 1.5 atm was required for this mass of ammonia to be produced, assuming sufficient nitrogen to react?

The specific heat of aluminum is 0.9 j/goc. how many joules of heat are needed to raise the temperature of 10grams of aluminum by 20°c?

What is the number of moles in 500L of He gas at STP

g A mass spectrum. The peak at mass 100 has a 8% relative abundance. THe peak with mass 85 has a 40% abundance. The peak at 71 has a 3% abundance. The peak at 57 has a 30% abundance. The peak at mass 43 has a 100% abundance.

The following question appears on a quiz: ""You fill a tank with gas at 60°C to 100 kPa and seal it. You decrease the temperature to 10°C but keep the volume constant. What happens to the pressure

If a rocket goes from 2,000 m/s to 6,000 m/s in 8 seconds, what is the acceleration for that time frame?

At stp, what is the volume of 4.50 moles of nitrogen gas

What is the definition of radiation