What is the temperature difference
If 2.65 kg of copper are heated and the specific heat is given as 107 kJ, what is the temperature difference required for these conditions? Please show your work and don't answer with a link.
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A reaction was observed where the reaction rate constant at 423 degrees C was found to be 8.75x10^-8 m/s and 12.1x10^-8 m/s at 657 degrees C. Calculate the activation energy. No links and please show your work.
For each of the events or transactions on the following page, indicate the effect on each ratio listed. Use I to indicate increase, D to indicate decrease and NE to indicate no effect.
The machine will provide cost savings of $15,000 per year for the next four years. If the company's required rate of return is 8%, what is the maximum price they would be willing to pay for the machine?
An oven has five radiant heaters; each one is rated at 15 kW. It should heat some 2-kg steel plates from 20 degrees CELCIUS to 800 KELVIN. How many of these plates per minute can it heat?
What is the probability of getting a sum of 6? (Enter your answer as a fraction.) What is the probability of getting a sum of 4? (Enter your answer as a fraction.
Determine the amount of CO2 emission per year that is saved by the use of the wind turbines for replacement of coal-fired power plants.
How many hours are required for one dollar's worth of energy to be conducted through the wall?
Using straight-line depreciation over the life of the asset, what is the after tax cash flow in year 3? Assume a 30% tax rate and that the original cash flow was before tax.
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