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Vermillion is a very rare and expensive solid natural pigment known as Chinese Red; it is pigment used to print the name chops on works of art. It is HgS, and it is also very insoluble in water. What is the maximum number of grams of vermillion you can make from the reaction of 35.0 mL of a 0.270 M aqueous solution of Hg(NO3)2 with an excess of a concentrated aqueous solution of Na2S?
ß-D-Glucopyranose (ß-D-Glucose) and dissolved oxygen are converted by the enzyme glucose oxidase into D-Gluconic acid, and an inorganic byproduct. This reaction is used to measure the glucose-content in blood. What is the inorganic byproduct
Glass cuvette, used for precision measurements in a spectrometer, are marked so that they always have the same orientation in the sample compartment. What error does this minimize and why?
Atoms and molecules consist of electrons and nuclei. When no bonds exist between atoms, electrons are on discrete energy levels called orbitals: those levels where electrons reside at zero degree Kelvin are called ground states
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used
in a car engine gasoline represented c8h18 does not burn completely and some co a toxic pollutant forms?in a car engine
What mass of oxygen (in grams) reacts when 13.2 g of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
Problem- A balloon is inflated to its full extent by heating the air inside of it. During this process, 1100 J of heat is added and the work done by the balloon is 121 cal. Calculate the change in energy of the balloon in J.
Specified the balanced reaction below for the oxidation of ethanol by potassium dichromate, compute the number of liters of a 0.600 M K2Cr2O7 solution required to generate 0.1665 moles of C2H4O2 from a solution containing excess ethanol and HCL.
Which of these is not a protease that acts in the small intestine?
hydrogen and oxygen gas combine explosively to produce water. write a balanced chemical equation for this process. if
A titration was set up with standard potassium permanganate solution(.020 M). A volume of 17 mL potassium permanganate was need to reach the endpoint.
Arrange the four compounds below in order of increasing volatility.
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