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If the nutritional calorie is equivalent to one kcal. One pound of body fat is equal to about 4.1 x 103 Calories.
Express the energy equivalence in joules.
If 5.00 g Br2 and 3.00 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced. 3 Br2(l) + 8 NH3(g) ? 6 NH4Br(s) + N2(g)
Explain the wall of the flask is periodically rinsed with the previously boiled, deionized water from the wash bottle. Explain how does this titrimetric technique affect the reported percent acetic acid in the vinegar
About 30% of crude oil is processed eventually into automobile gasoline. As petroleum prices rise and resources dwindle, alternatives must be found. However, automobile engines can be tuned so that they will run on simple alcohols. Methanol, and e..
A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill, you are told that X-281 is a monoprotic weak acid, but because of security concerns, the actual ch..
the equilibrium constant is 1.5x 10^-2 at 370 degrees C and delta H is 16.0 KJ at 25 degrees C. Assuming delta H and delta S are temperature independent, calculate delta S for the reaction
write molecular, complete ionic, and net ionic equations for the reactions that occur, if any, when solutions of the following substances are mixed? a. nitric acid and potassium carbonate
Calculate the partial pressure of each gas and the total pressure if the temperature of the gas is 17?C.
The temperature dependence of the equilibrium constant is given by the equation: Ln K = Ln A - delta H (standard enthalpy change)/RT. Solve for k (equilibrium constant).
Find the concentration of the HCL solution in moles/liter. b). How could the HCl soluted be diluted to make 1000ml of HCl solution with a concentration of 0.400M
when you heated the hydrated compound this process starts slowly at first find out the reason behind this?compute k for
What effect do you think the 5% efficiency will have on your decision whether to use photovoltaic cells as an energy source for green that you design to save the world from climate change. What might some considerations to keep in mind for the tow..
What might happen to your calculated NaOH molarity if you use tap water rater than deionized water to dissolve the KHP cristals or to rinse down the walls of the flask during the titration
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