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A certain reaction has an enthalpy of delta H= -24KJ as well as an activation energy of Ea =73kj. Explain what is the activation energy of the reverse reaction?
200 mL of 0.150 M acid HA are mixed with 100 mL of 0.0800 M NaOH. Calculate the titration constant, kt, of the resulting reaction. Ka = 1.0 x 10^-5
You are given 10 g of a mixture FeO and Fe2O3. Complete reduction of this mixture yields 7.46 calculate mass of pure Fe. Calculate the mass of FeO and Fe2O3 in the original sample
What is the maximum height, neglecting all forms of friction, to which a car of mass 1000 kg an be driven on 1.00 gallon of fuel given that the engine cylinder temperature is 2000 degrees celsius and the exit temp is 800 degrees celsius.
The temperature of the water rose from 25.00 degree C to 28.21 degree C. Assuming all the heat from the metal was transferred to the water, calculate the specific heat of the metal.
Calculate the velocity (in units of m/s) of an electron having a mass of 9.09 x 10 -28 g and wavelength of 99.9 nm
1. compare the reciprocal regulation of glycolysis and gluconeogenesis based on the following criteriaa resting state
Question: Heating elemental cesium and platinum together for several days at 973 K gives a dark red ionic compound that is 57.67% Cs and 42.33% Pt. What is the empirical formula of the compund
A solution of ammonia and water contains 1.40×10^25 water molecules and 5.30×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
Draw the major organic product when 2-chloro-3-dimethylpentane reacts with CH3CH2OH and isopropyl alcohol.
Hexane has a vapor pressure of 100 torr at 15.8 C and 400 torr at 49.6 C. What is its deltaHvap
1 compute the ph at the temperature of 25 0c of a solution prepared by mixingnbsp 50 ml of 1.60 m sodium hydroxide
The mole fraction of nitrogen in a air is 0.78. If the total barometric pressure is 760 torr, what is the partial pressure of nitrogen
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