How to count the number of particles in a given number of moles of a substance

An electromagnetic wave has a frequency of 6.00x10^8 Hz. What is the wavelength?

Many people avoid processed food to eliminate unnecessary ingredients like food dyes and excess sodium from their diets. A study calculated that every 70.

24 What is the atomic number of the element whose atoms bond to each other in chains, rings, and networks? (1) 10 (3) 6 (2) 8 (4) 4

Write and balance the chemical equation for the reaction associated with ΔHof of Li3N (s). What is the sum of all of the coefficients in your balanced chemical equation?

After visiting a factory on a field trip, your little sister Elsa is really concerned about her carbon footprint. Name two ways that she can reduce her carbon footprint at home.

Which of the following statements is true of enzymes? A. they change shape after a reaction B. They don't provide an active site for substrates to bind in a reaction C. They're unusable after a reaction D.

How many moles of NaCl are present in 530 ml of a 1.52m NaCl solution

How much can 97 go in to 15

What is the predicted products for Ag+CuSO4

What happens to the carbon atoms lost during respiration?