Have an assignment about how many atoms are in a roll of reynold heavy duty aluminum foil. I am not sure how to start?!

Which of the following is soluble in water? a. benzene b. carbon tetrachloride c. silver d. potassium nitrate

Identify a community near where you live, such as a forest, a pond, or your own backyard. Think about the interactions of the organisms in the community.

A red light wave travels at 3 x 108 m/s. if it has a wavelength of 5.5 x 10-7 m, what is its frequency?

What factors of nuclear reactors cause it to be so complex? Select all that apply. A) the chain reaction must be controlled at all times B) without proper cooling the reactor will overheat C) requires multiple different types of materials for the

How many grams of magnesium oxide can be produced when 97.2 g Mg react with 88.5 g O2? Unbalanced equation: Mg + O2 → MgO

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda