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Otto cycle engine has a compression ratio(r) of 10 intitial air temprature is 200 c at 200kpa it produces 1000kw of powe . find a) that is the temp and pressure for state 2 of process? b)what is the heat in and heat out per kg? c)what is the temp of state 3&state 4? d)find the thermal efficiency of cycle? f)sketch the t-s digram for this cycle?
Calculate the lattice energy for the hypothetical ionic compound M2X from the information given below. IE1(M) = 424 kJ/mol M(s) => M(g) ?Ho = 84.3 kJ/mol ?Hof(M2X) = -888.3 kJ/mol X2(g) => 2X(g) ?H = 231 kJ EA1+EA2 (X) = 476 kJ/mol IE1 (X) = 271 k..
if 5.0 of nitrogen at 12 degree celsius and 1.30 atm pressure reacts with the same volume of hydrogen at the same
Sufficient sodium cyanide, NaCN, was added to 0.015 M silver nitrate, AgNO3, to give a sloution that was initially 0.100M in cyanide ion, CN-. What is the concentration of silve ion, Ag+, in this solution after Ag(CN)2- forms
A gaseous fuel mixture stored at 752 mmHg and 298 K contains only methane and propane . When 11.6L of this fuel mixture is burned, it produces 767kJ of heat methane : 890 kJ/mol propane : 2,220 kJ/mol
Determine the mass in gms for pure Ag sample that loses 2.88kJ if its temperature drops from 143 degree celsius to 28 degree celsius.?
Compute A current is drawn from the cell until 1.20 grams of Ag have been deposited at the Ag electrode. Determine the value of E for the cell at that stage of operation.
what is the term for a substance that is capable of either accept or donate a proton in as which base reaction?
question predict whether or not a precipitate will form upon mixing 175.0 ml of a 0.0055 m kcl solution with 145.0 ml
a volume 505 mL of air on a cold winter day at -15 degrees celcius is breathed into the lungs, where body temperature is 37 degrees celcius
What is the PH change of a 0.270M solution of Citric Acid (pKa = 4.77) if citrate is added to a concentration of 0.145M with no change in volume?
p4s f2g -gt pf3g what mass of f2 is needed to produce 187 g of pf3 if the reaction has a 80.1
A particular brand of gasoline has a density of 0.737 g/mL. How many grams of this gasoline would fill a 15.6 gal tank?
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