Express each of the following to four significant figures 3983.4

444.18

189100

33100

6.302*10-4

5.0472*10-4

Metric unit capacity

According to the assumptions upon which most reaction mechanisms are based, collisions must occur in order for a chemical reaction to occur, but: a. energy is destroyed in these collisions. b. some molecules react with each other without colliding.

Which statement regarding the gold foil experiment is FALSE? 1. The α particles were repelled by electrons. 2. It suggested that atoms are mostly empty space. 3. It suggested the nuclear model of the atom. 4.

What is over production

Explain why ice is able to float on water

Which of the following statement is not true? A) The sun is involved in producing tides B) There can be two high tides in one location during a single day C) Only the oceans have tides D) If there is a high tide, there will be a low tide

A solution which has a concentration that exceeds its predicted solubility at a certain temperature and pressure would be -

Convert 4.992*1010 g to each of the following units. B. Mg c. mg D. metric tons

The ideal gas law shows us how a gas will behave under many conditions. The formula is: P V = n R T Where P = pressure, V = volume, n = amount of the substance, R = ideal gas constant, and T = temperature.

The Suns ultraviolent Rays can cause skin damage including sunburn and even skin