How many moles of water react with 0.946 mol nitrogen dioxide, NO2 from the following reaction? 3NO2 + H2O --> 2 HNO3 + NO

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas