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The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 315 K and 325 K. What must the activation energy be for the rate constant to double as described
What is the final temperature in a squeezed cold pack that contains 41.0 g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18J/g*C for the solution, an initial temperature of 26.5C.
The observed rate constant(k-observed) for one of the trials was measured to be 0.00400 s^-1. If the concentration of hypochlorite was fixed at 0.134 M, calculate the specific rate constant (k) for the trail.
A balloon 15m in diameter is inflated with helium at 20 degrees Celsius. How much work is done during inflation against an external pressure 1atm.
The total mass of pure metals produced = 0.4684 grams. compute the mass percent of CuCl2, and AgNO3, FeCl3 in the original mixture.
calculate the wavelength in nm of an electron traveling at 75% the speed of light. (mass of the electron = 5.4858 x 10^-4 amu)
Draw a reasonable Lewis structure for POCl3. Assign formal charges for the atoms in your Lewis structure. Draw a second legitimate resonance contributor for POCl3
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..
Consider the unbalanced equation above. A sample of impure mercury(II) oxide is heated and the HgO decomposed completely. If 580. mL of O2 is collected by displacement of water at a barometric pressure of 790.0 mm Hg and 25.0°C,
In the chlorination of cyclohexane there are two types of termination steps: recombination and disproportionation. 1) give two products of recombination:
Calculated percentage of alcohol in the patient's body the, State the chemical reaction that took place in the patient's body.
What is the molar concentration of free (uncomplexed) Ag+ in solution when 4.25g AgNO3 is dissolved in 100.0 mL 1.00 M NH3 aqueous
In the acid-base reaction between Sr(OH)2 and HNO3, 0.75 L of 0.85 M Sr(NO3)2 is formed upon the reaction of 0.515 L of HNO3 solution and excess Sr(OH)2.
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