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(1) 5F2 + 2NH3 -> N2F4 + 6HF?If you start with 25 g of F2, how many moles is this? How many moles NH3 will be needed. How many moles HF will be produced? How many grams of HF will be produced? And how many grams of N2F4 can be produced from those 25 g of F2?
(2) 6Na + N2 --->2Na3N. How many grams of product can be produced from 10 grams of Na?
(3) 2N2O5 ---> 4 NO2 +O2. When 25 grams of N2O5 is allowed to decompose, it was found that 10 grams of NO2 forms. What is the percent yield?
(4)Na3P + 3H2O ---> PH3 + 3NaOH. What is the theoretical yield of PH3 when 150 grams of Na3P is mixed with 250 grams of H2O? If the actual yield is 30 grams, what is the % yield?
Determine the free energy change associated with the above reaction (you might find it easier to first consider the movement of the two components of the system separately)
describe the location of the carbon electrons. the answer is 3 unpaired electrons in sp2 orbitals and one unpaired electron in a 2p orbital
In order to produce 10000.0 kJ of energy, how many grams of oxygen must react?
what is the mole fraction of each componet in solution? ethanol, methanol, water.
Determine the final concentration if A 129 mL portion of that solution is diluted using water of 149 mL.
Clancy consume in order to lower the activity of his ADH on methanol to 5% of it's normal value if the Km values of canine ADH for ethanol and methanol
Examples are BrCl, IBr, BrF, and ClF. Which compound is expected to have the highest boiling point aqt any given pressure? Please explain why
The molar concentration of Tl+ is M (4 dec places). The molar concentration of Cl- is M (4 dec places).
describe the error that has occured; that is, is the mass of the anhydrous salt remaining in the crucible reported as being too high or too low? explain.
The concentration of glucose inside a cell is 0.14mM. outside the cell the concentration of glucose is 12.8 mM. Calculate the change in Gibbs free energy for the transport of 5.00 moles of glucose
A flask is charged with 0.140 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction. A(g) B(g) The following data are collected. times (s) 0 40 80 120 160 moles of A 0.140 0.068 0.049 0.031 0.019 (a)
A solution is prepared by adding 60.0 mL of 0.060 M HBr to 180.0 mL of 0.70 M HI. Calculate the concentrations of all species in this solution. HBr and HI are both considered strong acids
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