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A carnot cycle engine is operated between a high temperature of 500K and at a low of 3000K. The work done is 800J. how much heat is absorbed at 5000K
Calculate the ratio of dihydrogen phosphate to hydrogen phosphate in the blood at pH 7.4. The Ka = 6.3 x 10 -8 5. 2.
How would you separate a mixture of eugenol and cholesterol
Mehtanol-water solutions behave as essentially ideal solutions (the activity coefficients which measure deviation from ideality are equal to or close to one).
According to the Vsepr theory which one of the following species should be linear, What is the approximate bond angle for H2O?
A 757 mL gas sample at STP is compressed toa volume of 202 mL, and the temperature isincreased to 30 degrees C. What is the new pressureof the gas in Pa?
A solution is prepared by dissolving 14.7 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 56.00 mL of water.
what is the mass in grams of 17.55ml of acetone? and what is the volume in milliter of 7.26g of acetone?
show the base-catalyzed condensation and dehydration products from aldol condensation of propanal
what is the total number of liters of O2 at STP needed to produce 6.0 times 10^23 molecules of H2O.
In a flame test experiment, sodium gives the brightest and most persistent color in the flame. Do you think that potassium could be detected visually in the presence of sodium
Does beta-D-fructose in its cyclic form have the same number of chiral carbons as beta-D-glucose?
Calculate the amount of heat (cal) necessary to convert 34g of ice at -3oC into liquid water at 25oC.
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