If the density of an object is 5.2 g/cm3, and volume is 3.7 cm3, what is its mass? 1. 19g
2. 22g
3. 15g
4. 10g

pick the correct one out of the 4 choices

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.