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.

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

Will loud sounds from traffic near a school break glass objects in side the school?

find the speed of a rolling ball that travels a distance of 10 m over the top of a smooth table in 2.0 seconds

In a laboratory, Nakisha mixes a sodium hydroxide solution with an indicator called phenolphthalein. When combined, they create a pink solution. Nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color.

Which best explains how thermal energy is transferred when someone holds a hand above a fire? It is transferred by conduction and radiation. It is transferred by only convection. It is transferred by only conduction.

The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be

The Mississippi River carries tons of tiny rock fragments called sediments into the Gulf of Mexico. What do u think will happen to these sediments in a few million years

True or False: If the initial speed of an object is zero, then the initial position of the object must be the origin. Explain

que potencia se disipa en un aparato eléctrico que opera con un voltaje de 60V y una corriente eléctrica de 1.5 A

List three things you have done today that used kinetic energy.