How many moles are in 22 grams of argon (Ar) ?

For the reaction Ag 2S (s) ⇌ 2Ag + (aq) + S 2 - (aq), what happens to the equilibrium position if the amount of silver ion is halved?

Indicate whether each of the following statements about a process in a closed system with a constant volume is always true, false, or true in certain conditions (specify the conditions) : Calculate the heat that must be supplied to 0.

Which of the following factors can lead to desertification in the presence of natural drought? a. deforestation b. sustainable grazing c. underground mining d. all of the above

Which products are formed whem aluminum is added to a silver chloride solution?

How does natural gas affect the way humans live

For which of the following reactions is ΔHrxn equal to ΔHf of the product? You do not need to look up any values to answer this question. Select all that apply.

You have three molecules of glucose (3C^6H^12O^6). How many carbon atoms do you have?

If the arrangement of atoms in a substance changes

A certain element x has four isotopes. 5.845% of x has a mass of 53.93961 amu. 91.75% of x has a mass of 55.93494 amu. 2.123% of x has a mass of 56.93539 amu. 0.2820% of x has a mass of 57.93328 amu. what is the average atomic mass of element x?

Which of the following is a type of electromagnetic radiation? a. Electrons b. Neutrons C. Electromagnetic waves d. Helium nuclei