How many atoms of He are in 5.69 grams?

O

3.70 x 10 23

O

3.7x10 23

O

8.57 x 10 23

O

8,6 X 10 23

What larger energy does light energy come from?

If the internal energy of a thermodynamic system is increased by 300J while 75J of expansion work is done? how much heat was transferred and in which direction to or from the system?

in a reaction that occurs in a solution, the volume will not change. What happens to the concentration of the reactants? What happens to the reaction rate as the reaction continues?

Keeping the amount of gas and the pressure constant while you raise the temperature will cause the volume of a gas to increase. True or False?

Why are gold rings not made from 100% gold?

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