The number of grams of water vapor in a cubic meter of air is called the

9. At equilibrium a 2 L vessel contains 0.360 mol of H2, 0.110 mol of Br, and 37.0 mol of HBr. What is the equilibrium constant for the reaction at this temperature? H2 (g) + Brz (8) 22HBr (8)

What test can be done to test if a substance is a colloid? a. place a magnetic or electric field near the substance to check for conductivity b. add an acid to see if lumps or fluffy masses form c. measure the temperature of the substance d.

What is the ratio Al 3 + ions to S 2 - ions in a neutral compound

Do you need-permission to build a dormer window

How many grams of HBr would exactly react with 2g of propene?

Although the element hydrogen is a non-metal, it is located on the left side of the periodic table. Explain how placing hydrogen in this position relates to its ion charge.

The number of outer shell electrons determines the chemical properties of an element? a. True b. False

The chemical formula for a water molecule, H2O, means that water contains one oxygen atom for every two hydrogen atoms. True or false? True.

What are the indications/signs that a chemical change has occurred?

Antibiotics are often effective treatments for diseases caused by bacteria. viruses. some bacteria and some viruses. all bacteria and all viruses.