Both propane and butane are used as gaseous fuels. Which compound produces more heat per gram when burned.

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

What forms when chemical reactions combine pollution with sunlight?

Which change to the system wood cause the freely-moving piston to lower?