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A can of jolt cola contains 355ml of soda and weighs 387g. Use CRC handbook find the weight percent sucrose in Jolt. How many grams of sucrose are there in a can of jolt? does that agree with the manifacturer's claim that there are 42.5g of sucrose per 177.5 ml
In the first step of the trypsin mechanism, the side-chain oxygen of Ser 195 attacks the carbonyl carbon of the substrate. Use PyMOL and your model of the enzyme substrate complex to determine the distance between these two atoms.
Silver metal crystallizes in a cubic closest packed structure. The face centered cubic unit cell edge is 409 pm. Calculate the density of the silver metal.
what is the root-mean-square molecular speed of a gas molecule of this smelly gas molecule at 25C?
Find the number of moles of gas in a 70L container assuming that the pressure of gas is 50mm Hg and that the temperature is 350degC
What is the identity of the second major peak in the chromatogram and what is the third. What is your basis for these assignments
Determine the concentration, in moles per liter, to which the hydroxide concentration must be raised to produce a concentration of 0.200 mg/L of copper if the starting concentration is 2.00 mg/L. Estimate the resultant pH.
Starting with 3.30 moles of HBr in a 12.0 L reaction vessel, calculate the concentration of H2, Br2, and HBr at equil.
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Explain why it is not necessary to know the w..
Analysis of water in a sediment sample at equilibrium at ph 7.00 showed [so42-] = 2.00 x 10^-5 m and a partial pressure of h2s of 0.100 atm. show with appropriate calculations if methane, ch4, would be expected in the sediment.
compute the ph of a solution made by mixing eighty grams of nach3coo to 39 grams of ch3cooh and adding in h2o to
The enthalpy change for the reaction of 50.0ml of ethylene with 50.0ml of H2 at 1.5atm pressure (problem ^H= 0.31kj. What is the value of ^E
For a solution containing 0.0066 M calcium nitrate and 0.054 M nitric acid, calculate the activity of the calcium ion.
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