What main factor determines the path a star will take during its life cycle

The reaction of hydrogen peroxide with iodine, h2o2 (aq) + i2 (aq) ⇌oh - (aq) + hio (aq) is first order in h2o2 and first order in i2.

What is the mass of a cube measuring 3cm on each side that had a density of 8.1g/cm3?

Atoms of different isotopes of the same element differ in their total number of (1) electrons (3) protons (2) neutrons (4) valence electrons

What is the name of the scientist who discovered the atoms have positive charges

How many covalent bonds are there in a molecule of cyclohexane?

A child sits on a partially filled balloon and decreases the volume by half. What happens to the pressure inside of the balloon?

Which phrases describe all the outer planets' motion? Check all that apply. no rotation fast rotation slow revolution opposite revolution north to south rotation

Rank the species (amide ion, ammonia, or ammonium ion) from the largest to the smallest H-N-HH-N-H bond angle? Rank from largest to smallest H-N-HH-N-H bond angle. To rank items as equivalent, overlap them.

What is the ratio of effusion rates of krypton and neon at the same temperature and pressure?

Balance the following equation _NaOH (aq) + _HNO3 (aq) > _NaNO3 (aq) + _H2O (1)