Songyi
This page lists questions and answers that were posted by visitors named Songyi.
Questions
The following questions were asked by visitors named Songyi.
Given the chemical reaction: N2+3H2--->2NH3 If 20 molecules of nitrogen react with 30 molecules of hydrogen to from ammonia, what is the total number of molecules present after the reaction goes to completion?
16 years ago
Ca + F2 --> CaF2 The mass of CaF2 that results from the reaction of 3.00 g of calcium and 2.00 g of fluorine is 4.02 g. What is the percent yield? (Atomic weights: Ca = 40.08, F = 19.00).
16 years ago
Is it physically possible to separate table sallt, sodium chloride, NaCl, from table sugar, sucrose? Explain your reasoning.
16 years ago
What is the reducing agent in the forward reaction? H2O2(aq) + 2 HI(aq)--->2 H2O(l)+I2(s) Since H2O2 can be both a reducing and oxidizing depending. I am confused on what is the reducing agent. Can someone please explain.
16 years ago
Answers
The following answers were posted by visitors named Songyi.