Ablock of wood has a volume of 55 cm3 and a mass of 550 g. what would be its density? answer in units of g/cm3.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

Acontrol during an experiment. might change remains constant does not exist does change

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.