Describe 2 functions of a catalyst in chemical reactions

A jeweler is making sapphire rings using 2 sapphires on every 1 ring. If the jeweler has 12 sapphires and 10 rings, what is the theoretical yield? A. 5 sapphire rings B. 6 sapphire rings C. 10 sapphire rings D. 12 sapphire rings

Count the total number of atoms in NH 3 :

Does sauce either rhyme with avoid, crowd, false, hall, or hawk

A sample of fuel is found to contain 87.4% nitrogen and 12.6% hydrogen. if the molecular mass of the fuel is 32.05 grams/miles, what is the molecular formula of the fuel?

Which of the following pairs of charged particles will result in a repelling force acting between the particles?

What are the coefficients that will balance this skeleton equation? a l c l 3 + naoh → al (oh) 3 + nacl?

Which cluster in the agriculture industry would be most likely to partner with the animal systems cluster to introduce new modern procedures to animal careers

Sarah is ordering cheese pizza for a party of ten people she knows each pizza has 8 slices to figure out how many pizzas to order sarah needs to know the

How many grams of sodium ions are in na2so4?

Electron configuration for iron?