Saved Question 3
4 points
A sample of gas weighing 0.494 g is collected in a flask with a volume of 0.129 L at 372.6 K when the atmospheric pressure is 0.976 atm. What is the approximate molar mass of the gas?
O 0.0041 g/mol
O 0.494 g/mol

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

An observation that requires measurement is called quantitative observable or qualitative