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If 450g of acetone is reacted with 650g of benzaldehyde and it yields 350g of the product what is the percent yield? Show your calculations.
Calculate Delta H kJ/mol NH4NO3 for the solution process. NH4NO3 ( s) yields NH4 (there is a plus sign above the four)(aq) + ^ + NO3(negative sign above the three) (aq)
Explain why the rates of diffusion of nitrogen gas and carbon monoxide are almost identical at the same temperature.
proportional only to the numbers of hydrogens that give each product when substituted for by chlorine. What would be the relative yield of each product?
a sample of gas occupies 1.40 X 10 cubed mL at 25 degrees celcius and 760 mmHg. what volume will it occupy at the same temperature and 380 mmHg? which gas law is being used.
A container with a removable partition contains gas A and gas B. Gas A is at 400K and 10.0 atm and gas B is at 400K and 4.00 atm. The partition is removed and the gases mix.
Both stopcocks are opened. The pressure throughout the system is 33.5 mmHg. How many moles of N2 are in the system? How many moles of CO2 are in the system?
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate, how many grams of solid precipitate will be formed.
Calculate the solubility in g/L of MgCO3 in the following solutions. (a) pure water (b) 0.0010 M Na2CO3 (Use the quadratic equation.) Calculate the molar solubility of AgBr in a 3.0 M NH3 solution.
Recrystallization from 95% ethanol gave yellow crystals. What is the overall mechanism for this reaction including all arrows, the identification of the electrophile and nucleophile, and all charges?
The element cesium (Cs) freezes at 28.4 degree celsius, and its molar enthalpy of fusion is delta H fusion =2.09kJ/mol. a.) when molten cesium solidifies to Cs (s) at its normal melting point, is delta S positive or negative? b.)calculate the valu..
separate a mixture of alkane. which HPLC mode you will choose and why? ( Consider Normal-phase, ion- exchange, and size-exclusion).
What is the maximum wavelength of light capable of removing an electron from a hydrogen atom in the energy states characterized
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