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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?
How much PV work is done in kilojoules and what is the value of ^E in kilojoules for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80L
What weight of sodium acetate, NaCO2CH3, must be added to 500.0 mL of 0.500 M acetic acid HCO2CH3 to produce a buffer solution
thomas poured 25 mL of 0.50 M HCl into a large bottle. He then added enough water so that the new (diluted) concentration was 0.10 M HCl. How much water did Thomas add?
What is the change in the boiling point of the aqueous solution? and water how man moles of ions are present is solution
A typical polyethylene bag from a grocery store weighs 12.4 g. How many molecules of ethylene, C2H4, must be polymerized to make such a bag
non-electrolyte, X was dissolved in 100 g of Benzene, the vapor pressure of the solvent decreased from 100 torr to 93.8 torr at 299 K. Calculate the molar mass of the solute, X.
Consider the reaction 2KClO_3(s)\rightarrow 2 KCl(s)+3O_2(g) and the following table of values: Substance Delta G (kJ/mol) KClO_3(s) -296.3 KCl(s) -409.2 O_2(g) 0 State whether it would be worthwhile to investigate finding a catalyst to use in thi..
Calculate average molarity of 0.1M NaOH after titration with a volume of NaOH used = 17.16 mL.
how many metric tons of 4.5-s coal would be needed to yield the h2so4 required to produce a 1.7cm rainfall of ph 2.00
The Ksp for silver sulfate (Ag2SO4) is 1.2 multiplied by 10-5. Calculate the solubility of silver sulfate in each of the following.
adipic acid c6h10o4 is a raw material for the making of nylon and it can be prepared in the laboratory by the following
Why do ldehydes and ketones have lower boiling points than alcohols with similar molar mass?? Why are they higher than alkanes?
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