given the following reaction: CuO (s) + H2 (g) to Cu (s) + H2O (g). If 250 L of hydrogen gas are used to reduce copper (II) oxide at STP, what mass of copper is to be expected?

Is platinum an element or compound

Given the balanced ionic equation: Zn (s) + Cu2 + (aq) → Zn2 + (aq) + Cu (s) Which equation represents the oxidation half reaction?

The molecular formula for glucose is c 6 h 12 o 6. what would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration reactions?

Consider the β + decay of 116c. part a is this decay energetically possible? the atomic mass of 116c is 11.011434 u.

What volume (mL) of 1.50 * 10-2 M hydrochloric acid can be neutralized with 115 mL of 0.244 M sodium hydroxide?

Cuál es número primo más pequeño entre 3,1,2,4

The Earth's biosphere is consists of

49. Which of the following statements regarding chemical equilibrium is true? a. Equilibrium is shown with a single arrow and/or an equal sign. b. A system at equilibrium maintains the concentrations of all reactants/products over time. c.

According to the food web. which of the following would be considered secondary consumers? Plants Grasshoppers Wolves Mushrooms

Could the concentration of reactants ever be equal to the concentration of products for a reaction at equilibrium? Explain why or why not.