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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
While you compute the density of water how would your results be affected if the graduated cylinder contains a few drops of water instead of being clean and dry
The balloon then drifted up into the Earth's atmosphere. Assuming the air pressure does not change, determine the volume of that helium balloon when it is 10km above Earth, where the atmospheric temperature is -53 degrees Celsius.
if the aluminum block is initially at 25circ c what is the final temperature of the block after the evaporation of the
why we call benzene phenyl and not benzyle when one hydrogen is removed because in case of alkanes we name them alkyl on the removal of one hydrogen atom.
Water will change from one phase to another as it temperature changes.In it's gaseous form, steam, water has it's highest temperature.Water in this form will not change into liquid unless a certain amount of heat is removed.An example, is the cond..
During a titration the following data were collected: A 10 mL portion of an unknown acid solution was titrated with 1.0 M NaOH. 40 mL of the base were required to neutralize the sample. What is the molarity of the acid solution
A 250.0-L cylinder contains 65.0% He(g) and 35.0% Kr(g) by mass at 25.0° C and 1.35 atm total pressure. What is the partial pressure of He in this container
Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
Any help on this problem would be appreciated! Not quite sure how to to use the solubility values in this problem. How can we determine the how many grams will crystallize
Describe the apparent relationship between H30+ and OH- concentrations when an endpoint is reached in an acid-base titration.
Does FADH2 have a thermodynamic tendency to reduce coenzyme Q at pH 7. Explain why.
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
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