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Calculate the kJ of energy released when 1.5 kg of hot water at 100C cools to room temperature (assume 24.5C)
A and B are two species which react in the presence of an acid catalyst. Would you expect the catalyst to appear in the rate law
a mixture of 0.47 mole of H2 and 3.59 moles of HCl is heatedto 2800 degrees C. Calculate the equilibrium partial pressures of H2, Cl2,and HCl if the total pressure is 2.00 atm. For the reaction:
What are valence electrons? How many valence electrons does a nitrogen atom possess? An atom has the electron configuration 1s22s22p63s23p2. How many valence electrons does the atom have?
Draw a structural representation to describe the H-bonding responsible for the high boiling point of ethylamine and the structural representation of the H-bonding present when ethylamine dissolves in water.
Find examples of substances that are usually found in one "state" and either naturally or through the intervention of humans change "states".
A solution to replace potassium loss contains 40.mEq/L each of K+ and Cl-. How many moles each of K+ and Cl- are in 1.5L solution
Compute the pH at the halfway point and at the equivalence point for each of the following titrations.
Calculate the molarity and the molality of an NH solution made up of 28.0 g of NH in 70.0 g of water. The density of the solution is 0.982 g.
A graduated cylinder is filled to the 40.00-mL mark with a mineral oil. The masses of the cylinder before and after the addition of the mineral oil are 124.966g and 159.446g, respectively. In a separate experiment, a metal ball bearing of mass 18...
1)At what velocity (m/s) must a 20.0 g object be moving in order to possess a kinetic energy of 1.00 J
Is the gas produced in this experiment really an "ideal" gas? Explain. The production of gas in this experiment is fairly slow, but its production in a car airbag is quite rapid.
the amount of energy released by burning a fuel source measured in energy per mass is called the fuel value. if all the
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