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Forecast the products that might form when the following reagents interact in an appropriate solvent.
a) ZnGrO4 + AgNO3-
b) Ni (NO3)2 + CaS
c) NaCl2 + ZnSO4
d) CuBr2 + Na2CrO4
The equilibrium vapor pressure of 2-butanol at 34.7°C is 75.0 mmHg. Calculate the equilibrium vapor pressure at 46.7°C, if ?H°vap = 49.7 kJ/mol.
During a recrystallization a student takes 1g of a white (colorless) solid and adds 5 mL of acetone. He heats the mixture in a boiling water bath and adds another
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of PbO2(s) will be: BrO3-(aq) + Pb(OH)42-(aq) --> Br-(aq) + PbO2(s)
When 0.549 moles of a certain gas fill a balloon the volume is 75 mL. If enough of the same gas is added to the balloon until 1.44 moles of gas are present, what is the new volume of the balloon?
3-di-t-butylcyclohexane exists in two forms that are known as the chair and boat conformations. at 580k 6.42 of the
an fm station broadcasts at 106.9 mhz calculate the wavelength of the corresponding radio waves? what is the amount of
Dissolve the compound in the better solvent at just above freezing point and then add boiling portions of the poor solvent in 5mL increments until recrystallization is complete
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution
what mass of nacl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 degc? the freezing point
At a temperature of 500 degrees celsius the equilibrium constant ,Kc, for the following nitrogen fixation reaction 3H2(g)+N2(g)----->2NH3 is 6.0x 10^-2 . If 0.250 mol/L of H2 and 0.050 mol/L NH3 are present at equilibrium, what is the concentratio..
Properties of Electrolyte Solutions, In the winter of 1994, record low temperatures were registered throughout the United States. For example, in Champaign, Illinois, a record low of -29 F was registered.
in a certain particle accelerator protons travel around a circular path of diameter 18.0 m in an evacuated chamber
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