How much heat is released when 12.0 grams of helium gas condense at 2.17 K? The latent heat of vaporization of helium is 21 J/g.

What is heat? Be sure.

11. As fast as you can, name the planets in order from smallest to largest.

Explain which three marine habitats would have the least access to phytoplankton, and why.

Assume the light waves start out as unpolarized white light. How do light waves incident on the Polarizer and Analyzer behave at their respective angles?

A sample of an unknown compound is vaporized at. The gas produced has a volume of at a pressure of

How would an unbalanced chemical equation convey misleading information about what took place during a chemical reaction?

A car rounds a 75-m radius curve at a constant speed of 18 m/s. a ball is suspended by a string from the ceiling the car and moves with the car. the angle between the string and the vertical is:

Emission of light from an atom occurs when an electron

Which is an example of transfroming potential energy to kinetic

Place the ball in the plastic bag, and twist the top so the ball is secure in the bag. Wrap the twisted portion with tape so it stays tight. Use the hole punch or scissors to poke a hole in the part of the bag that's above the ball.