Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The space shuttle utilizes the oxidation of methyl hydrazine, N2H3CH3(l), for propulsion. The oxidation proceeds by the subsequent reaction: 5N2O4(g) + 4N2H3CH3(l) --> 12H2O(g) + 9N2(g) + 4CO2(g) The standard enthalpies of formation are methyl hydrazine +54 kJ/mol dinitrogen tetroxide +9.2 kJ/mol water (g) -242 kJ/mol carbon dioxide -394 kJ/mol Find out the amount of heat generated by the shuttle, in kilojoules, if it is carrying 209.0 kg of methyl hydrazine in its thruster. Presume that methyl hydrazine is the limiting reactant
What is the pKa for the acid HA if a solution of 0.65 M HA and 0.85 M NaA has a pH of 4.75?
Calculate the concentration of Na+ ions (in mol/L) for each of the following. a) A 41.0 mL sample of 2.0 M Na3PO4 which has been diluted to 300.0 mL b) 8.50 g Na2CO3•5H2O(s) is made up in a total volume of 3.50 L
question a person ate 0.941 pound of cheese an energy intake of 7530 kj. suppose that none of the energy was stored in
A certain reaction with an activation energy of 195 K was run at 535K and again at 555 K What is the ratio of f at the higher temperature to f at the lower temperature
Which of the following combinations would be the best to buffer an aqueous solution at a pH of 5.0? H3PO4 and H2PO4- (Ka=7.5e-3) HNO2 and NO2 (Ka=(4.5e-4) CH3CO2H and CH3COO (Ka= 1.8e-5) H2PO4 and HPO4 (Ka=6.2e-8)
suppose you are given 1 kg of ice at 0degc. if the ice is placed in an insulated container holding 1 kg of water
The Ksp of barium carbonate (BaCO3) is 5.0*10^-9 at 25.0 C. If a 20.0 mL sample of 0.1 M Ba(NO3)2 is added to 50.0 mL of 0.1 M Na2CO3.
Compound A (C10H16O3) is insoluble in H2O, but soluble in bicarbonate solution. It yields a 2,4-dinitrophenylhydrazone derivative. Catalytic hydrogenation of Compound A
methyl trifluoroacetate is more reactive than methyl acetate, in nucleophilic acyl substitution reactions. Explain.
Calculate the pH of a buffer solution obtained by dissolving 22.0 g of KH2PO4(s) and 36.0 g of Na2HPO4(s) in water and then diluting to 1.00 L.
Rank the diffusion coefficients from least (1) to greatest (4) for the following cases. Assume the temperature is the same for all cases. Interdiffusion C in gamma-Fe
Suppose the radius of an atom in a body-centered cubic unit cell is 0.35 nm. What is the edge length of the unit cell in nm.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd