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As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume of the system if the internal energy of the system decreased by 102.5J?
waters heat of fusion is 80. its specific heat is 1.0 and its heat of vaporization is 540. a canister is filled with
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas
What mass of ice can be melted with the same quantity of heat as required to raise the temperature of 4.00 by 55.0?
Acetaldehyde decomposes at 750 K: CH3CHO â†' CO + CH4. The reaction is first order in acetaldehyde and the half-life of the reaction is found to be 530 seconds. What is the rate constant for the reaction at this temperature?
after you preform your experiment you determine that the kf value for naphthalene is 6.91 . you are using 10g of
Part A: Thymolphthalein is an indicator that changes color over a range from pH = 9.3 to pH = 10.5 . What is Ka of thymolphthalein. Part B: Alizarin yellow R, Ka=7.9x10^-12
Determine all concentrations after 15 minutes. What is the chlorine concentration. What is Q after 15 minutes?
Calculate the ?(wavelength) (m) associated with an electron that travels at 50% of the speed of light. (Mass of an electron = 9.11 × 10-28 g)
what practical and creative decision must a scientist make? What important criteria must this choice fulfill?
What is the balanced chemical equation for the reaction used to calculate Delta H f of SrCO3(s) ? If fractional coefficients are required, enter them as a fraction
What is the 3D root mean square distance traveled by a particle with a diffusion coefficient D of (10^-5) m^2 s^-1 after 1000s and 10000s
Calculate the entropy change of the surroundings associated with this heat transfer. Assume the weight of an average adult is 80.0 kg.
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