What are quanta of light called?

When methane (ch4) is burned with oxygen, the products are carbon dioxide and water. if you produce 9 grams of water and 11 grams of carbon dioxide from 16 grams of oxygen, how many grams of methane were needed for the reaction?

What are units of force?

Potassium chloride is used as a substitute for sodium chloride for individuals with high blood pressure. identify the limiting reactant and determine the mass of the excess reactant remaining when 7.00 g of chlorine gas (mm = 70.

What would the pOH of a solution be if the [H"] = 3.00 x 10-5 moles/liter? 8.52 9.48

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants' stems. Which is most likely to result in the greatest amount of error in their scientific experiment?

How do electrons move between atoms to create electricity?

Which scientific law predicts that the mass of the reactants before a chemical reaction will equal the mass of the products after the reaction has taken place?

How does the magnitude of kp for the reaction 2hi (g) ⇋h2 (g) + i2 (g) change if the equilibrium is written 6hi (g) ⇋3h2 (g) + 3i2 (g) ?

Select the correct answer. Which of these elements is rarely found in organic molecules? A. hydrogen B. oxygen C. barium D. carbon

Can a solution with undissolved solute be supersaturated