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What will be the heat capacity (in units of J/K) of a constant pressure, coffee-cup calorimter that contains 100.0 mL of 3.0 M HCl solution? The density of the solution is 1.098 g/mL, the specific heat capacity of the HCl solution is 4.10 J/g*K and the heat capacity of the empty styrofoam cups is 15 J/K.
How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy
Calculate the concentration of sugar in % (w/v) for 250-mL solution that contains 4.32g og sugar
How many grams of KCl are present in 250.0 mL of a 0.125 M solution? [Use formula weight: KCl, 74.55 g/mol]
Given stock solutions of 0.02 M tris pH 7.4 and 4 M NaCl, how would you prepare 10.0 ml of a 0.5 M NaCl, 0.01 M tris pH 7.4 (how many ml of tris, how many ml of NaCl, how many ml of water)
Identify the two important classes of catalysts. Choose a catalyst that exists in the human body. Explain its importance and how it works.
The resulting mixture exerts a pressure of 745 mm Hg at 95 C. What was the mass of the original sample?
Can anyone explain to me how to figure this out in steps please? Predict the products of the precipitation reaction. Write the net ionic equation
Suppose buffer #1 is prepared using 40.0 mL 0.1 M HC3H5O3 and 60.0 mL 0.1 M C3H5O3- to give a final volume of 100.0 mL. What is the pH of this buffer
How much water must be added to 516 mL of 0.181 M HCl to produce a 0.128 M solution? (Assume that the volumes are additive.)
Given K=6.45x10^5 for 2NO(g)+O2(g)=2NO(g) at 500K, what concentration of oxygen would be needed to maintain equilibrium in a system where NO and NO2 are known to be at equal concentrations.
the product for the following reaction between THF and excess HI, and provided a detailed step-bystep mechanism for its formation, using the curved arrow formalism
Assume you place 0.167 grams of a gaseous compound in a 0.346 Liters flask. It exerts a pressure of 0.427 atm of 30 degrees Celsius.
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