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Given the following data regarding nickel
Structure is FCC;
Atomic mass is 58.71 amu;
Atomic radius is 0.125 nm,
What is the theoretical density of the metal?
Given the average bond enthalpies listed below, calculate the delta H for the reaction: N2 + 3H2 --> 2NH3
If the absolute temperature of a gas is doubled, what happens to the root-mean-square speed of the molecules?
What is the activity coefficient of H in a solution containing 0.025 M HCl and 0.025 M Ca(ClO4)2?
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
A 270- mL flask contains pure helium at a pressure of 749 torr. A second flask with a volume of 470 mL contains pure argon at a pressure of 730 torr what is the partial pressure of He?
what is the value of Kc for the following reaction at equilibrium: CO2(g) + H2(g) CO(g) + H2O(g) if [CO]=.20 M, [H2O]=.30 M, [CO2]=.30 M, and [H2]=.033M?
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP
Explain why there is a difference in spectrophotometric response during titration before and after the equivalence point by placing the statements below into the appropriate categories?
A 248 gas sample has a mass of 0.433 g at a pressure of 745 mm Hg and a temperature of 28 C. What is the molar mass of the gas?
A solution contains 9.87 (g) of dissolved silver. How many moles of potassium chloride must be added to the solution to completely precipitate all of the silver?
What is the hybridization of each carbon for the following structure? Please explain each one and provide the line structure. Supposedly there should be two hybridized sp2 and two hybridized Sp3
Calculate the volume of oxygen required to burn 5.00L of propane gas, C3H8 to produce carbon dioxide and water, if the volumes of both the propane
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