The equation shows one mole of ethanol fuel being burned in oxygen. convert the energy released into its equivalent mass. c2h5oh(l) + 3 o2(g) → 2 co2(g) + 3 h2o (l) δh = -1418 kj/mol

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

Classify this reaction: 2al+n2-> aln.

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²