Convert 4.02 X 1023 atoms Fe to moles

Which factor would slow down a chemical reaction? (Choose all that apply) A) Adding an inhibitor B) Decreasing temperature C) Decreasing particle size D) Increasing particle size

Sandstone is a sedimentary rock. Which processes cause sand particles to form sandstone? Check all that apply. cementation compaction cooling erosion heating

How many valence electrons does an atom of this element have : 2e-8e-8e2e?

When a catalyst is added to a system at equilibrium, a decrease occurs in the 1. activation energy 2. heat of reaction 3. potential energy of the reactants 4. potential energy of the products

With a 1.0-2.0 Sv dosage of radiation, an individual can expect to A. die. B. hemorrhage. C. see no immediate effect. D. have nausea and hair loss.

how many protons electrons and neutrons does a atom with the atomic number 50 and mass number 125 contain?

What do you call an equation that has all the correct formulas, but is not a balanced equation

What were some reasons why it was a good idea to remove the lid from the separatory funnel after each extraction? Select all that apply.

The half-life of iodine is 8 days. If 700.00 g sample decays to 43.75, how much time has passed

The size of a minerals crystals depends on what?