How many grams of ammonium carbonate are needed to decompose in order to produce 6.52g of carbon dioxide? Ammonium oxide is the other product. (NH4)2(CO3) (NH4)2O + CO2

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.

What is formed when amino acids form long chains or polymerize

The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?