the number below and to the right of an element in a chemical formula. It represents the number of atoms of that element in chemical compound or molecule.

Heating glucose, a monosaccharide sugar, in the presence of excess oxygen produces carbon dioxide gas and water vapor. Balance this reaction. ___C6H12O6 (s) + ___O2 (g) → ___CO2 (g) + ___H2O (g)

Select true or false: substitute natural gas can be synthesized by passing carbon monoxide and hydrogen over ni or co at 400°c.

What is the pH of a solution of NaCl that has [H+] = 1.00 * 10-7 M

A 40g sample of polyisoprene, which has a specific heat capacity of f 1.88 J 1.°c, is dropped into an insulated container containing 100g of water at 55C and a constant pressure of 1 atm. The initial temperature of the polyisoprene is 1.5C.

How old is the idea that matter is composed of atoms?

Which is an inner planet? Neptune earth Saturn Jupiter

Which item takes the most amount of water to produce

1. Which of the following two ingredients can combine to make a compound? a. Salt and water b. Hydrogen and oxygen c. Eggs and butter d. Sugar and water 2.

What are two ways climate can influence weathering?

A light has a wavelength of 4.10*10^12m. What is the Frequency?