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We dissolve 2.45g of sugar in 200.0g of water. What is the mass percent of sugar in the solution?
You have samples of approximately 8mL solution with ph ranging from 4 to 10. Calculate the volume of 1M HCIO4 needed to lower the ph to 2.5.
at a particular temperature and a0 2.00 x 10-2 concentration versus time data were collected for this reaction and a
The Haber process is used in industry to produce ammonia from N2 and H2. A reactor contains NH3, N2, and H2 at equilibrium at 1000 K. The concentration of NH3 is 0.102 moles/liter, N2 is 1.03 moles/liter, and H2 is 1.62 moles/liter. Calculate the ..
the Pyranose form of Fructose is much sweeter than the Furanose form, Sweetness in honey decreases as temperature rises
Calculate the percent yield if the actual yield of aluminum oxide is 0.423mol.
120.mL of H2O is initially at room temperature (22.0 degrees C). A chilled steel rod at 2.0 degrees C is placed in the water. If the final temperature of the system is 21.4 degrees C, what is the mass of the steel bar?
Consider the reaction: 2SO2(g)+O2(g)?2SO3(g) What changes will occur in the concentration of SO2,O2, and SO3 at equilibrium if we were to: a. increase temperature b. increase pressure c. increase SO2 d. add a catalyst e. add helium at constant pre..
Draw the skeletal structure of the final major organic product resulting from the following sequence of reactions.
A chemistry student needs of 40 ml chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48g x cm^-3 . Calculate the mass of chloroform the student should w..
the osmotic pressure of the solution at 25C is found to be 0.614 mbar. Calculate the molecular mass of immunoglobulin G.
The reaction vessel is charged initially with SO3(g) and NO(g), each at a partial pressure of 0.500 atm. In the space below, enter the equilibrium the partial pressure of SO2(g) in units of atm
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chips products for the packaging label.
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