Which describes the use of a renewable energy source?

burning natural gas to power city buses

using solar cells to heat water for use in homes

burning coal to operate the machinery in a factory

What is the molarity of a solution composed of 4.73 g of potassium iodide (KI) dissolved in enough water to make 0.169 L of solution? Answer in units of M.

What is the percentage composition of copper (II) sulfate hydrate.

Which statement describes the relationship between diagram X and Y?

Identify the nuclide produced when carbon-14 decays by beta emission: 14 6c? 0?1e?

When the equation below is correctly balanced, what are the coefficients of Pb and H20, respectively? Pb + H2O + O2 = > Pb (OH) 2 A. 1,2 B. 2,1 C. 2,2 D. 1,1 E. none of these

Tell me some bad effects of Ethanol

How many moles of carbon dioxide are released daily by a humming birds respiration?

If a scientist creates a new rock-like substance in a laboratory, why wouldn't this type of material be classified as a true mineral?

Select the correct responses to the questions from the drop-down menus. Which wind blows cool air inland during the day? Which wind blows cool air toward the sea at night? Which winds blow steadily from specific directions and over long distances?

Consider the balanced equation for the following reaction: 3Ca (ClO3) 2 (aq) + 2Li3PO4 (aq) → Ca3 (PO4) 2 (s) + 6LiClO3 (aq) Determine the theoretical yield of LiClO3 (aq) in grams if the percent yield of LiClO3 (aq) is 81.0% and 9.