A reaction at 27.0°C evolves 302 mmol of sulfur hexafluoride gas. Calculate the volume of sulfur hexafluoride gas that is collected. You can assume the pressure in the room is exactly 1 atm. Be sure your answer has the correct
number of significant digits.

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which change to the system wood cause the freely-moving piston to lower?