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1. What is the percent yield of calcium nitride for this reaction?
3Ca(s)+N2(g)----->Ca3N2(s)
2. Calculate each of the following quantities in 2.50 moles H3PO4:
Part A:
What is the moles of H?
3. Calculate the number of SO2 molecules in 4.68 moles of SO2.
Identify the oxidizing and reducing agents for this equation. 2HNO3 (aq)+ 2S (s) + H20 (l) --> 2H2SO3(aq)+ 2N20(g)
Draw all stereoisomers of pentane-1,2,3,4,5-pentaol. You should find two meso structures and one pair of enantiomers. Use bold and hashed wedges to show the stereochemistry.
when answering include an explanation balanced chemical equations andor calculations where appropriate.calculate the
Draw a structure for each isomer of dimethylcyclopropane. Label each proton, a, b, c etc.. to indicate the number of signas in the H NMR spectrum. Use the same letter for equivalent protons.
A certain reaction has an activation energy of 57.42 kJ/mol. At what kelvin temperature will the reaction proceed 3.50 times faster than it did at 353 K
What is the total number of different tripeptides which can result from two L-alamines and one L-seine amino acid
Consider the reaction between nitrogen and oxygen gas from dinitrogen monoxide.
When a 8.26-g sample of gaseous hydrogen bromide dissolves in 36.2 g of water in a coffee-cup calorimeter (see above figure) the temperature rises from 25.00 oC to 71.53 oC. Calculate H in kJ/mol HBr for the solution process.
A .2688-g sample of a monoprotic acid neutralizes 16.4mL of .08133M KOH solution. Compute the molar mass of the acid.
Give the number of electrons, Protons and neutrons in 24NA and give the electron configuration of the following A: A1 B: F- (- is at the top)
a metal container holding xenon gas xe has a pressure of 458 torr at 20 degrees celcius. at what temperature will the
Burning the fatty acid palmitic acid outside the body in the presence of oxygen, results in its complete oxidation to form carbon dioxide and water. The chemical formula of palmitic acid is CH3(CH2)14COOH.
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