PbSO4 → PbSO3 + O2

Balance the equation

Oxygen 16 has 8 protons how many neutrons

The astronaut then measures the abundance of silicon on the new planet, obtaining the following results: isotope abundance (%) mass (amu) 28si 73.71 27.98 29si 14.93 28.98 30si 11.36 29.97 what is the atomic mass of silicon for this planet?

The chemical that speeds up organic reactions is called: Enzymes Proteins Salts Probiotics

Approximately how much water must be added to the 3.0 L solution to dilute it to 0.18 M?

3. The variable that is observed during an experiment is called what type of variable?

A gas occupies a 1.5 L container at 25 degrees Celsius and 2.0 atm. If the gas is transferred to a 3.0 L container at the same temperature, what will be its new pressure? a) 3.0 atm b) 2.0 atm c) 1.0 atm d) 4.0 atm

The maximum amount of n2h4 (hydrazine) that can be prepared from 14 grams of nitrogen and 28 grams of hydrogen by the reaction n2 + 2 h2 = n2h4 is?

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?

What is the empirical formula for a compound if a sample contains 3.72g of p and 21.28g of cl?-pcl5-pcl3-p2cl10-p2cl5