8.50 of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a molecular molar mass of 138./gmol, is burned completely in excess oxygen, and the mass of the products carefully measured: product mass carbon dioxide 18.98g water 3.33g Use this information to find the molecular formula of X.
Answers: 2
Chemistry, 22.06.2019 08:30, ayaanwaseem
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
Chemistry, 23.06.2019 09:00, AdoNice
A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground, its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy
Answers: 3
Chemistry, 23.06.2019 10:30, lvoltin1073
When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
8.50 of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have a...
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