What mass of water is required to react completely with 157.35 g CO2? (Molar mass of H2O = 18.02 g/mol; molar mass of CO2 = 44.01 g/mol

A 0.105 L sample of an unknown HNO 3 solution required 35.7 mL of 0.250 M Ba (OH) 2 for complete neutralization. What is the concentration of the HNO 3 solution?

How is compound different from a mixture? A. it is made of one substance B. it cannot be made of organic materials C. it cannot be broken down D. it cannot be separated by a physical change

Which electron dot diagram represents a molecule that has a polar covalent bond

What do the group 1 elements form when they react with oxygen?

When ammonium nitrate (nh4no3) explodes, the products are nitrogen, oxygen and water. when 40 grams of ammonium nitrate explode, 14 grams of nitrogen and 8 grams of oxygen form. how many grams of water form?

What is the passing of a wave through an object

Classify the following as atoms or molecules. Drag the appropriate items to their respective bins. a. Mg S b. H2 SO3 c. HBr

If a sample of gas has a volume of 5.00 L @ 92.3 C, what will the volume of the gas be if the temperature is lowered to - 37 C

On melting of ice, there is a decrease in volume instead of increase. Why?

When a dolphin jumps, it moves its muscles and chemical potential energy is converted to kinetic energy. Some of this energy is lost to the dolphin. Explain why this phenomenon does not violate the Law of Conservation of Energy.