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The heat of fusion of ice is 335 j/g. When 50 gram of ice at 0 degree C is added to 50 gramm of water at 25 degree C, what is the final temperature?
Calculate the molar concentration of a thiosulfate solution from the following information: A 30.00-mL aliquot of a 0.0254 M KIO3 solution is added to a flask containing 2 g of KI and 10 mL of 0.5 M H2SO4.
the mass of a proton is 1.673 sdot 10-24 g. the mass of a neutron is 1.675 sdot 10-24 g. the mass of the nucleus of an
The molality of the solution is determined to be .0480m. What is the molar mass of the substance?
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 10.0% NaOH by mass
At 55.0 , what is the vapor pressure of a solution prepared by dissolving 73.2 of in 247 of water? The vapor pressure of water at 55.0 is 118 . Assume complete dissociation of the solute.
The product of the complete hydrolysis contained 1.3 mg of the compound shown below, and no other 2,4-dinitrophenyl derivatives of the amino groups of other amino acids could be found. How may popypeptides are in this protein
calculate how many protons are required to pass through the xeno-FoF1-ATP synthase complex to synthesize one ATP
The pH of the solution is 2.81 after 15.00ml of base is added. Calculate the ionization constant,Ka, of lactic acid.
For the zeroth-order reaction: A ? products, what will happen to the rate of reaction if the concentration of A is doubled? A) The rate will be halved B) The rate will be doubled C) The rate will be quadrupled D) The rate will remain the same
a dancehall contains 173 men and 238 women. a certain promenade calls for the formation of groups with each group
Calculate the molarity of Ag in a solution resulting from the mixing of 30 mL of a 0.0250 M AgNO3 solution and 11.51 mL of K2CrO4
Calculate the percentage of I2(g) that will be converted to HI(g) at equilibrium at 355 degrees Celsius if 3.00 mol of I2(g) is mixed with 3.00 mol of H2(g).
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