If the alum reaction was done starting with 12.000 g of al, how many moles of hydrogen gas would be produced according to the balanced equation?

Is air a conductor or an insulator

The first experimental step after weighing and combining your salt/sand mixture is adding water to your mixture and stirring. After you have stirred for a few minutes, where are the SiO2 and NaCl, respectively?

Compute 3.5*4.48697. Round the answer appropriately. Express your answer numerically using the proper number of significant figures.

Which gases each make up less than 1 percent of Earth's atmosphere? Select three options. argon oxygen nitrogen water vapor carbon dioxide

Physical property of water at room temp

Which process is a physical change? A. iron rusting B. milk turning to curd C. water boiling D. paper burning E. hard water staining pipes

1. How much calcium oxide would be made by the thermal decomposition of 25 grams of calcium carbonate? CaCO3 - > CaO + CO2 2. How much oxygen gas can be produced through the decomposition of potassium chlorate (KClO3) if 194.

Ethanol contains the elements carbon, hydrogen, and oxygen. When ethanol burns, it chemically reacts with oxygen gas. C2H6O + O2 ethanol oxygen gas What elements will be present in the substances that are created when ethanol burns? A.

What are the errors in the table

What makes gas turn into a liquid?