Using the rules for scientific figures, what do you get when you multiply 67.6 by 1.2

a) 8

b) 81

c) 81.1

d) 81.12

In the compound P2O5, the ratio of phosphorous to oxygen is

In one atom, the ionization energy is the ... energy needed to remove one proton. energy needed to add one proton. energy needed remove one electron. energy needed to add one electron.

Can you give me an example of a chemical change?

Which statement best describes the equation given: C2H6+CL2-> C2H5CL+HCl

After the universe was created, what was formed? (Choose all that apply.) Question 3 options: time space matter energy

True or False: If you have 2 moles of water and 2 moles of carbon, you have the same number of molecules.

Balancing chemistry equations

How much energy, in joules, is released when 17 kilograms of granite is cooled from 45 C to 21 C?

Is feeling warmth from a fireplace convection, radiation, or conduction?

Which part of Dalton's atomic theory was disproved by Thomson's experiment? O Atoms cannot be created, destroyed, or divided into smaller particles. O Chemical reactions occur when atoms combine, separate, or rearrange.