How much coal is used per hour for efficiency of plant
A large coal fired power plant has an efficiency of 45% and produces net 1500 MW of electricity. Coal releases 25000 kJ/kg as it burns so how much coal is used per hour?
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Monatomic molecules adsorbed on a surface are free to move on this surface and can be treated as a classical ideal two dimensional gas .At absolute temperature T. What is the heat capacity per mole of molecules thus adsorbed on a surface of fixed
The following is an appropriate statement of the null and alternate hypotheses for a test of a population mean:
A person wishes to borrow $30,000 from a bank and repay the loan in a single lump sum payment 6 years from the date of the initiation of the loan.
(a) Find the magnitude of the magnetic force on the electron. (b) Repeat your calculation for a proton having the same velocity.
You are investing in a scheme which will pay you 18% annual interest. You will invest end of period annual amounts of $12,000 until the amount in the account is $240,000. How many years must you invest to reach you goal?
After 2 years, there was no difference in the risk of heart attack, stroke, or dying from heart disease between those who took the prescription drug and low-dose aspirin daily and those who took low-dose aspirin plus a dummy pill. The 2-drug combi
An ideal carnot heat engine has an efficiency of 40%. If the high temperature is raised 15% what is the new efficiency keeping the same low temperature?
You can buy commercial paper of a major U.S. corporation for $975,000. The commercial paper has a face value of $1,000,000 and is 107 days from maturity. What is the discount yield on the commercial paper?
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According to the text, what is a trait of adolescence whereby ongoing social, cognitive, and psychological development continues?
68-year-old widowed white male who has been increasingly more withdrawn and lonely. His wife died five months ago, very suddenly after a cardiac arrest
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