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00.0 g of Ethyl Acetoacetate (MW 130.14) was fermented with yeast and sugar for 2 weeks. After workup we expected a simple reduction of a double bonded oxygen to an oxygen. How many moles of starting material? What is the new MW of the product formed?
When synthesizing benzoic acid, a student used 0.2 mol Bromo Benzene, 0.3 mol Mg and 0.25 mol CO2. Write out the general equations, check limiting reagent and indicate the maximum yield of benzoic acid in moles.
A chemist measures the amount of bromine liquid produced during an experiment. She finds that 766.g of bromine liquid is produced. Calculate the number of moles of bromine liquid produced.
A compound containing only carbon, hydrogen, and oxygen is subjected to elemental analysis. Upon complete combustion, a 0.9294-g sample of the compound
What mass of the hydrate could be recovered from the solution? When separated from a H 2 O solution, copper sulphate forms a hydrate with 5
What volume of ammonia at 25 °C and 1.5 atm pressure is needed to produce 500 g of urea?
Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.
The temperature is held at 271 K. Calculate the work done by the gas(in joules). to give the appropriate sign
what would the product of the reaction between 1,3-dimethoxybenzene and tert-butanol in the presence
A gas sample is held at constant pressure. The gas occupies 3.26L of volume when the temperature is 51.6 F . Determine the temprature at which the voloume of the gas is 3.45 L.
Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species
Suppose a vessel contains 6.4 g of NH3, how many grams of O2 are needed for a complete reaction?
If solar radiation is 1010 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
A solution of KOH in ethanol is made up by dissolving 0.335 g KOH in ethanol to form 250.0 mL of solution. Similarly, 1.455 g of C2H5I is dissolved in ethanol to form 250.0 mL of solution.
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