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The constant pressure molar heat capacity of a compound is found to vary with temperature.{Cp,m = 18.15 + 0.430T -((2.14e5)/T^2)}
Calculate the heat required to raise the temperature of 0.850 mole of this compound from 298K to 400K at a constant pressure of 1 atm.
What are the two half-reactions that occur at the indicator electrode? Answer by adding charges, coefficients, and products to the following.
Based on your knowledge of the TLC of the components of Excedrin, propose an experiment that would separate these components, including the order of elution off a chromatography column.
Calculate [Ag+] when a precipitate first appears and identify the precipitate. The Ksp values for AgCl(s) and Ag2CrO4(s) are 1.8×10?10 and 1.1×10?12, respectively. (b) Calculate [Cl? ] and [CrO42? ]
HEPES are synthetic amine compounds that are often used to make buffers for biochemical studies. What is the pH of a 1.0 L buffer solution that is 0.250M HEPES
Detarmine the resulting Nitrate ion concentration when 95 ml of 0.592m potassium nitrate and 145.5ml of 1.770m calcium nitrate are combined
Calculate the molar heat of neutralization (in kJ mol-1). The heat capacity of the calorimeter is 10 cal/g·0C.
You are given the chemical reaction: 4AsF3 + 3C2Cl6 -> 4AsCl3 + 3C2Cl2F4.If 1.3618 moles of AsF3 are allowed to react with 1.000 mole of C2Cl6.
A student in lab constructed an Ag+ sensor using the same procedure as in the Metal Ion Sensor lab that you performed. Titration of 10.00 mL of an AgNO3 solution diluted with 40.0 mL of DI water required 11.85 mL
Helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through
The average pH of precipitation in rural areas is 5.80. Assuming that the pH is controlled by the carbonate system, i.e., no anthropogenic acid gases are present in the atmosphere.
Predict the products of the following reactions. Complete and balance the equations. If the names are given, write the correct formula for the reactants.
What is the pH of a solution made by dissolving 46g of acetic acid in enough water to make 700 ml of solution
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