Which equation is NOT balanced? a. 2H2 + O2 → 2H2O c. Fe2O3 + 3H2 → 2Fe + 3H2O b. 4NH3 + 5O2 → 4NO + 6H2O d. 3H2 + 2O2 → 2H3O

Whats the mass of a 1.25L sample of liquid that has a density of 0.921g/mL?

is the only element in group 1 on the periodic table that forms covalent bonds. A) hydrogen B) lithium C) potassium D) sodium

Toluene, c6h5ch3, is a liquid compound similar to benzene, c6h6. it is the starting material for other substances, including trinitrotoluene (tnt). find the molality of toluene in a solution that contains 35.6 g of toluene and 125 g of benzene.

The splitting apart of nuclei id known as fission fusion bombardment fallout

If you want to measure a volume of 8 microliters that could be done with two different micropippetors (the 1-10 uL or 2-20 uL). Which would you choose to use? Explain your answer

How has desertification impacted the environment in Latin America?

In a titration experiment, hcl and lioh solutions were used. the initial volume of hcl was 1.25ml and lioh was 2.65 ml. the final volume of hcl was 13.60 ml and lioh was 11.20 ml. if the lioh was 0.140 m what was the molarity of hcl?

What is the mass of 0.200 moles of Fe

Potassium iodide will have which molecular configuration? Select one: a. bent b. linear c. tetrahedral d. triangular

Can chemical properties be used to remove lead from a solution of lead and other materials ?