A mixture is made by combining 139 lb of salt and 507 lb of
A mixture is made by combining 1.39 lb of salt and 5.07 lb of water. What is the percentage of salt (by mass) in this mixture?
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The heat capacity of a bomb calorimeter is 87.5kJ/K . If 67.2g of methane is combusted under such reaction conditions, what will be the increase in temperature of the calorimeter? Delta E combustion for CH4(g) is -885.4kj/mol.
A binary system is formed with a neutron star and another star that has overflowed its Roche lobe. How does the detection of this binary differ from the detection of an isolated neutron star?
Who is your U.S. House of Representative and how long has he/she been in the Congress? What part of his/her biography impresses you the most?
Estimate the area in terms of number of 1-bit full-adders and additional 2-input logic gates. For performance, use the timing analysis tool provided in the Xilinx Tools as follows: In the Process Window, go to Implement Design
Steve Services stock has a beta of 1.4. The risk-free rate is 6.7%, and the expected return on the market is 8%. What is the required rate of return on Steve's Services stock.
Susan Richmand has $150,000 invested in a 2-stock portfolio. $43,600 is invested in Stock X and the remainder is invested in Stock Y. X's beta is 1.70 and Y's beta is 0.80. What is the portfolio's beta?
A student project requires a 6 V DC power supply that can source 300 mA. The batteries for the power supply must last for a minimum of 8 hours of continuous operation. NiMH rechargeable batteries in AA size are to be used.
An electric motor with a 2.7-hp output drives a machine with an efficiency of 35%. What is the energy output of the machine per second
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Hi Sierra, great examples of physical, cognitive, and social-emotional activities we can use to encourage children in playful ways.
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