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Problem- If a current of 40.0 x 10-6 A is drawn from a solar cell for six months how many faradays are involved?
Write your solution in appropriate format and provide references
Explain what is the concentration if HCl in the final solution when 100mL of a 5 M HCl solution in diluted with water to a total volume of .25L
how much energy is needed to heat 24.8g water from 64 degrees to 123 degrees celsius?
A 1- flask is filled with 1.20 g of argon at 25 C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.
When making up an unknown solution for absorption measurements, a good plain is to make up a solution that is rather on the concentrated side, measure its absorbance and compare it to the absorbance range of your standard curve. If it is higher th..
Explain what is the molar concentration of the final NaOH solution at 25°C
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Explain what simple test can be performed to show that 3-chlorobenzoic acid is not eluted from the chromatography column? TLC possibly
What is the final temperature (in oC) of a 41.6 g sample of iron (specific heat = 0.444 J/(g K)) which evolves (-12.18) J of heat when it cools from 91.4oC
The normal boiling point for acetone is 56.5 C. At an elevation of 5300 ft the atmospheric pressure is 630 torr. What would be the boiling point of acetone Hvap = 32.0 kJ/mol at this elevation
Assume that the kinetic energy of a 1500 kg car moving at 150 km/h could be converted entirely into heat. What amount of water could be heated from 22C to 48C by the car's energy?
How many moles of N2O3 are needed so that you have 2.55 x 1024 oxygen atoms.
how many milliliters of 0.2 M KOH are required to titrate completely 650 ml of 0.05 M citric acid
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