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The reuseable booster rockets of the U.S space shuttle emmploy a mixture of aluminum and ammonium perchlorate for fuel. A possible equation for this reaction is:
3AL(s)+3NH3ClO4(s) -> AL2O3(s) + AlCl3(s)+ 3No(g)+ 6H2O(g)
What mass of NH4Clo4 should be used in the fuel mixture for every kilogram of Al?
The energy levels of a Helium Ion, He+, may be calculated from the Bohr Theory using z = 2 for the atomic number, En = -1312.04 Z2/n2 or En=-5248.16/n2 (kJ mol-1) for n=1, 2,3,.... Calculate the first 4 energy levels of He+
The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic scientists in analyzing crime scenes for the presence of washed-away blood.
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (80°F)
Consider the following equation: CO + 2 H2 → CH3OH ?H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2.
Calculate the equilibrium constant, K. (e) Which side of the reaction (reactants or products or neither) is favored structurally?
A compound contains only carbon, hydrogen, and oxygen. Combustion of 138.7 g of the compound yields 203.3 g of CO2 and 83.23 g of H2O.
How many grams of ethylene glycol C_2H_6O_2 must be added to 1.00 kg of water to produce a solution that freezes at -3.44 C?
Organic chemistry, When 2-butene reacts with hydrogen chloride gas, only one product is detected, whereas when 1-butene reacts similarly
petit discovered the empirical rule that the specific heat times the atomic weight of many solid elements is a constant: Using this rule, calculate the specific heat of copper and platinum.
Propose a reasonable reaction for the sodium hypochlorite oxidation of 3-hetpanol. Give the IUPAC name of expected product. What other oxidizing agents may be used to carry out oxidation
The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar.
Determine the equilibrium concentration of A, B, and C at 525 K. What is the equilibrium constant Kc
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