What would be the specific heat capacity of an unknown substance be if 107.6 gram of that substance absorbs 27,710 joules of heat, and its temperature changes from
47.1 °C to 112.2 °C?

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

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.

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures