Which set of values represents standard pressure and standard temperature? (1) 1 ATM and 101.3K (2) 1 kPa and 273K (3) 101.3 kPa and 0 C. (4) 101.3 atm and 273 C

Which statement about a solid-liquid solution is true? The solution and the solvent are liquid; the solute is a solid. The solute is a liquid, the solvent is a solid, and the solution will vary.

Which choice would be the correct products in the following reaction: C7H16 + 11 O2 7 CO2 + 16 H2O CHO + 21 H2O 7 CO2 + 8 H2O NaCl + 8 H2O 8 CO2 + 7 H2O

A gas has a volume of 590ml at a tempature of - 55.0 Celsius. What volume will the gas occupy at 30.0 Celsius? Show your work

How do we measure forces?

Which subatomic particle or particles are found in a "cloud" outside of the nucleus? a. protons b. neutrons c. electrons d. protons and neutrons

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?

The fundamental frequency of a violin string is 440 hz. the frequency of its second harmonic is

How much of a 15.0M stock solution do you need to prepare 250ml of a 2.35ml hf solution?