Which of the following rocks is formed by cooling lava?

obsidian

limestone

sandstone

marble

What is the systematic name of NH4ClO3

A solution with a higher concentration of hydroxide ions (oh-) than hydrogen ions (h+)

In a chemical reaction, activation emerges increases the - (A. amount of chemical energy (B. number of particles (C. temperature - of the reactants. This outcome causes the particles to collide, which results in the - (A. breaking up (B.

What is the main idea behind pyrolysis?

Detectors in the walls of four containers (A-D) count the number of collisions between gas molecules and the surfaces of the containers. The detectors count 10, 15, 20, and 30 collisions per second for containers A, B, C, and D, respectively.

Given 4.80g of ammonium carbonate, find: Number of moles of the compound Number of moles of ammonium ions Number of moles of carbonate ions Number of moles of hydrogen atoms Number of hydrogen atoms

The density of water is 1.0 g/cm3 will rubbing alcohol float with a density of 0.81 g/cm3

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration

Select the lon. O NO₂ H2SO4 O A3