Molar mass of Al2O3 = 101.961276 g/mol. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles Al2O3, or 101.961276 grams.
Answer:
the chemical energy flows into the engines and the engines starts to work.When the engines work mechanical energy is generated as mechanical energy is obtained when there is movement
<span>To a bystander, which property of a sound wave changes due to the Doppler? D. Frequency
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Answer:
Copper is a reddish-brown metal that is easily stretched to make wires. These characteristics are examples of Dhybral (physical/chemical) properties of copper.
Explanation:
When copper metal is heated in concentrated nitric acid, the copper dissolves to form a deep blue solution, and a brown gas is released from the acid.