How come sedimentary rock become metamorphic rock

How many grams of Cl2 are in 1.20 x 1024 Cl atoms?

Compute (4.29•10^15) • (1.72•10^-4)

What is the charge of an ion that contains 10 electrons, 13 protons, and 15 neutrons

I need the answers to my chemistry

What ions make up chlorous acid?

Which statement best describes the ideas of two scientists who studied properties of light? Newton and Maxwell had similar ideas about light being made of particles.

As transformações estão presente em nosso cotidiano, elas nunca param de acontecer, na sua maioria invisível a olho nu. Quais critérios é preciso observar para identificar se ocorreu transformação?

U human ear is measured in?

Is the earth older than any of the rock layers.

Problem page liquid hexane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water. what is the theoretical yield of water formed from the reaction of of hexane and of oxygen gas?