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A typical cup of tea is made by starting with six fluid ounces of cold water (177 mL). How much heat (in joules) is required to heat this amount of water from 15.3 oC to 87.8 oC, a good temperature for brewing geen tea?
How many grams of TiCl4 are needed for complete reaction with 155L if H2 at 430 degrees C and 780mmHg pressure? How any liters of HCl gas at STP will result from the reaction described in part (a)?
what is the enthalpy change of c2h4g br2g-gt
Calculate the binding energy of the 2s electron in iron and calculate the binding energy of the 2s electron in iron. Does the new energy agree better with experiment?
question you have a prepared buffer solution from benzoic acid and its conjugate sodium benzoate. ka 6.3 x 10-5 for
Chemistry - Other explained in this solution, If world energy consumption continues to rise at the present rate of 2.4%, how long will it take to double (expressed in years)?
The normal boiling point of a liquid is 62 c and it has aheat of vaporization of 32.5 kj/mol. What is the vapor pressure at 25 c
The Ksp for PbBr2 = 8.9 x 10^-6. Calculate the molar solubility of this compound on a .20M Pb(NO3)2.
what is the ph at the equivalence point when 100 ml of 0.15 m hydrofluoric acid hf is titrated with 0.5 m sodium
oxalic acid is a relatively strong diprotic acid with ka1 5.6 acute 10-2 and ka2 5.1 acute 10-5.what is the c2o42-
A solution is prepared by dissolving 285 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2, and 12.0 g of He at 14 oC is in a 50.0 L container. What is the partial pressure of N2.
assume your are given a brain which weighs 1.45 kg andcontains 7.70e10 cells. if each cell was a cube and had a
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