O what volume must 175 L of air at 1.0 atm be compressed to yield a pressure of 5.2 atm? (You can assume constant temperature.)

The winner of a 10 km road race took half an hour to complete the race. Calculate her average speed. Give your answer in metres per second.

4. Using the word bank, explain why increasing the temperature increases the rate of reaction. Word Bank temperature kinetic energy collision (s) rate of reaction

What is the chemical formula for hydrochloric acid?

What is the valency? write the valencies of the calcium, Iron, hydroxyh , Nitrate

Who discovered neutrons? A. James Chadwick B. Ernest Rutherford C. John Dalton D. J. J. Thompson

What nuclear symbol has 13 protons and 15 neutrons

Which of the following statements about solutions is NOT true? Select one: a. A solution has the same properties throughout. b. Solutions contain a solvent dissolved in a solute. c. The solute in a solution can be a solid, liquid, or gas. d.

If the molar mass of NaCl is 58.44 g/mol, what amount of NaCl (in mol) is contained in 250.0 mg of NaCl?

How many hydrogen atoms are contained in 167 grams of propane?

How many grams of CO2 are in 6 mol of the compound (this is a science question) ? and the units?