How many days does it take to go from a waxing gibbous to a waning

What is the mass of a sample of O2 gas, which has a pressure of 740 mmhg at a temperature of 25 degrees Celsius in a volume of 250 mL

Use conservation of energy to explain an inverse relationship between enthalpy and entropy

Change 2.6 km/day to m/week

Mole are in 5.1 grams of beryllium?

How do scientific law differ from scientific theory

Why electrons are transferred during the course of the reaction between magnesium and oxygen?

Human muscle stores sugars in the form of

How much heat is needed to raise the temperature of 75 g of a substance by 15 C when the specific heat is 0.92 J/g-C?

A nitric acid solution flows at a constant rate of 5L/min into a large tank that initially held 200L of a 0.5% nitric acid solution. The solution inside the tank is kept well stirred and flows out of the tank at a rate of 10L/min.

How many molecules are in 237g (about a cup of water)