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Which of the following would have the lowest freezing point?
a. 1 m CaNO3b. 0.1 m KNO3c. 0.1 m HCld. 0.1 m sucrosee. 0.2 m sucrose
Ozonolysis from unknown compound, A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C.
explain how alkenearomatic c-h stretches are distinguished from alkane c-h stretches. do the c-h stretch peaks in the
An automobile gasoline tank holds 21 of gasoline. When the gasoline burns, 82 of oxygen is consumed and carbon dioxide and water are produced.
Four hundred kg/h of Steam from a low pressure turbine at 12.5 atm. and 250 C goes into a feed water heater which preheats the water entering the economizer in a boiler. The steam is comes out of the feed water at 200 C. The water at a flow rate o..
Dehydrohalogenation Prepare styrene (C6H5CH=CH2) by dehydrohalogenation of either 1-bromo-2-phenylethane or 1-bromo-1phenylethane using KOH in ethanol.
The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state, Te^4+, is Te^4+(aq)+4e-=> Te(s) E°red= 0.57V
what is the chemical calculation to figure out the follow: how many moles of the indicated solute does the following contain, 12.5 mL of 0.104 M HCL
The rate of the reaction in terms of the "disappearance of reactant" includes the change in the concentration of the reactant, the time interval, and the coefficient of the reactant
If the solution has the same density and specific heat as water, what is ?H for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes. Find kJ/mol of H20
what is the final temperature once thermal equilibrium is reached. c) how much ice remains once thermal equilibrium is reached.
"A compound X undergoes two simultaneous first-order reactions as follows: X->Y with rate constant k1 and X->Z with rate constant k2. The ratio of k1/k2 at 40C is 8.1. What is the ratio at 350C. Assume that the frequency factors of the two reactio..
How many milliliters of 0.0050 N KOH are required to neutralize 21mL of 0.0050 N H2SO4 and How many milliliters of 0.0050 N KOH are required to neutralize 21mL of 0.0050 N HCl
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