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Explain what happens to the heat produced by an exothermic reaction conducted in an adiabatic calorimeter?
The mixture of solutions has a density of 1.220 g/mL and a specific heat of 5.254 J/gC. The empty calorimeter had a heat capacity of 850.0 J/C. The temperature of the entire system rose from 25.6 C to 26.7 C. Calculate the heat of the reaction, in..
The electron microscope has been widely used to obtain highly magnified images of biological and other types of materials
Explain how a change in the amount of a product causes a shift in equilibrium?
the ratio of the no of molecules in the excited state at the temperature of 213 K to the number of ground state molecules and the percent of the excited molecules at 213 K.?
What is the pH of a solution that is 6.5×10-2M in potassium propionate and 8.5×10-2M in propionic acid?
Draw the structure(s) of the carboxylic esters with the molecular formula C5H10O2 that contain a branched four-carbon chain.
Use the standard enthalpies of formation given below to calculate the enthalpy change for following reaction at 298.15 K and 1 atm. Label each as endothermic or exothermic.
question a certain first-order reaction has a rate constant of 2.75 x 10-2s-1 at 20oc. what is the value of k at 60oc
A 0.20M of acetic acid, CH3COOH, at a temperature of 25degC has pH of 2.73. Calculate the hydrogen ion concentration
Assume that a particular reaction evolves 245kJ of heat and that 24kJ of work is gained by the system what is the delta H inside and the surroundings
Design an experiment using sequential qualitative analysis to determine whether a solution contains acetate or carbonate ions. For each stage of the test write net ionic equations that could occur.
At certain temperature, Kc for the reaction, PCL5->
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