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How much heat is released when 50.0 grams of water at 100 degree celcius hits the skin and cools to a body temperature of 37 degree celcius?
Explain the type of nonrenewable energy resource used and their short-term and long-term effects on the environment
Determine the energy in joules of a mole of photons coupled with red light of wavelength
What is the molarity of a solution of 14.0 g NH4Br in enough H20 to make 150 ML of solution.
What does the volume correction constant (b) in the van der Waals equation represent? Why is b for helium small (b = 0.0238 L /?mol) compared to b for decane (C10H22, b = 0.3043).
A woman requires taking ibuprofen twice daily in 625mg amount. Each pill in the bottle is 250 mg then determine the number of pills the woman requires to consume each time she needs 625mg dosage
Calculate the reaction quotient Qc and find out at which temperature and
Determine What is the final concentration and calculate what is the Ksp of this salt at temperature of 25 degrees Celsius?
The half-life of cobalt-60 is 5.27 years. How many milligrams of cobalt-60 remain after 52.7 years if you start with 10.0 mg.
If all the energy obtained by by burning 1.26 lb of butane (fuel value is 10.85 kcal/g) is used to heat 126.0 kg of water at an initial temp of 19.7C, what is the final temperature.
You burn 0.0956 g of the compound and isolate 0.1356 g of CO2 and 0.0833 g of H2O. What is the empirical formula of the compound.
Find the lowest temperature of vaporization and the highest temperature when there is liquid left over and Determine the range of temperatures which could be used for this process.
Suppose that ammonia (a monoprotic base), applied to a field as a fertilizer, is washed into a farm pond containing 3.0 × 106 L of water. If the pH of this pond is found to be 9.81.
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