How many moles of helium atoms are there in 2.4 x 10^24? need equation

I need to know the definition of a cell

If a reaction has an equilibrium constant just greater than 1, what type of reaction is it?

A sample of carbon dioxide gas (CO2) contains 8.551 x 10^25 molecules. How many moles of carbon dioxide does this represent

Solid magnesium reacts with aqueous copper (I) nitrate to from aqueous magnesium nitrate and solid copper express as a chemical equation

Crude oil is a mixture of many compounds that can be separated using which process

In a dynamic equilibrium between the liquid state and the gas state, what is true about the rate of evaporation? a. greater than rate of condensation b. less than rate of condensation c. equal to rate of condensation d. cannot be determined.

Which type of fault is under compression

Expressing concentrations in terms of molarity is especially convenient since it allows one to count chemical particles by measuring

If the average American throws away 4.5 lb of trash each day, and the population of the US is estimated to be 311 million people, calculated the number of metric tons of garbage thrown away in the US each year.

Difference between radical and compound