5. You have 100 kg of gas of the following composition: CH4 - 30% H2 - 10% N2 - 60% What is the average molecular weight of this gas?

How many grams of lead (ii) chloride is produced if 13.87 g lead (ii) nitrate combines with excess hydrochloric acid to produce lead (ii) chloride and nitric acid?

In which cell structure does MOST of the process of cellular respiration take place?

Predict the precipitate produced by mixing a (n) Al (NO3) 3 solution with a (n) NaOH solution. Write the molecular equation for the reaction. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.)

2. The particles in the oxygen gas animation show many different kinds of motions. Identify three different kinds of motions/interactions you observe. Which motions create pressure on the walls of the container

What does the atomic number tell you about an atomwhat two particles add up to equal the mass number?

Particles of matter how have both potential and kinetic energy is that true or false?

Visible light waves are part of the blank Spectrum

Why does a soccer ball stop rolling in a soccer game which newton law shows that?

What is the name of the compound PbS2 • 4H2O?

Why doesn't gravity pull water all the way to the center of the Earth?