Suppose you are studying two stars. Both stars have the same apparent magnitude, but star A has a greater absolute magnitude than star

b. What can you tell about the distance from Earth of these two stars?

Which equation has both a liquid and a gas as products? 2 upper H g upper O (s) right arrow 2 upper H g (l) plus upper O subscript 2 (g). 2 upper M g (s) plus upper O subscript 2 (g) right arrow 2 upper M g upper O (s).

What type of bond is formed between the oxygen atom of one water molecule and the hydrogen atom of another water molecule? what type of bond is formed between the oxygen atom of one water molecule and the hydrogen atom of another water molecule?

Describe how you can prove that a bicycle is matter

Which subatomic particles are found within the nucleus of an atom? A) Electrons only B) Protons only C) protons and neutrons D) Neutrons only

For each of the following chemical and physical changes carried out at constant pressure, state whether work is done by the system on the surroundings or by the surroundings on the system, or whether the amount of work is negligible.

Select the statements that best describe the properties of an intramolecular sn2 reaction mechanism.

Is a iron nail solid attracted to a magnet and soluble in water

Convert 45.8g of CO2 to mol

Suppose that 0.95 g of water condenses on a 75.0 g block of iron that is initially at 22 °c. if the heat released during condensation is used only to warm the iron block, what is the final temperature (in °c) of the iron block?

How many grams of NaOH are produced with the reaction of 5.00 moles of water?