Question 8

10 pts

Choose all of the chemical changes:

(There are FIVE)

boil

burn

dissolve

cut

decompose

rust

tarnish

a break

bake

The amount of energy needed to change a given mass of ice to water

As the amount of charge on two objects increases, the strength of the electrical force between the objects O increases O decreases. O varies O remains the same

Free branliest to who ever finds out this what does the symbol O represent on the periodic table

Does the amount of matter change when the water goes from a solid to a liquid?

A certain shade of blue has a frequency of 7.18 * 1014 Hz. What is the energy of exactly one photon of this light?

Beta particles are emitted from radioactive atom p when it disintegrates spontaneously to form non radioactive atom q. which of these statements is most likely correct about atom p and atom q?

What should I do for the science fair?

Which compounds yield hydrogen ions as the only positive ions in an aqueous solution? (1) H2CO3 and HC2H3O2 (2) H2CO3 and NaHCO3 (3) NH3 and HC2H3O2 (4) NH3 and NaHCO3

4. How does the kinetic theory of gases explain the weather changes happening in the troposphere? You can also research on the Internet using keywords such as troposphere, atmospheric layers, and weather changes.

Is the earth older than any of they rock layers