What volume of hydrogen gas, h2, is released
Given the following equation, what volume of hydrogen gas, H2, is released at STP conditions by the action of 8.18 g of Zinc;
Zn + 2HCl → ZnCl2 + H2
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A mixture of CO, CO2 and O2 is contained within a 275 mL flask at 0C. If the total pressure is 780 torr, the CO has a partial pressure of 330 torr and the CO2 has a partial pressure of 330 torr, what is the partial pressure of O2?
A three-phase, 60 Hz transmission line has the following parameters R = 0.25 Ohms/mi, X = 1.0 Ohms/mi, and Y = 5.0uS/mi. The line is 200 mi long and it delivers 150 MW at 220 kV and unity power factor to a substation at its receiving end.
Determine the collimation error, e, present in the instrument.Calculate the uniform slope of line AC in the form 1 in N.
Diethyl ether is a volatile organic compound. the vapor pressur of diethyl ether is 401 mmhg at 18 degrees C and th hat of vaporization = 26.o kJ/mol. calcuate the vapor pressure of diethyl ether at 0 degrees c.
For the equation 3Fe+4H2O=4H2+Fe3O4 If 625 g of Fe3O4 is produced in the reaction, how many moles of hydrogen are produced at the same time?
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
A process with Gp= 2/(2s+1) and Gd=1/(2s+1) experiences a disturbance step change of magnitude 5. The SP remains constant. If a P-controller alone with Kc=1 is used and Ga=Gs=1, then what is the output variable, delta Y(t) versus time?Delta Y(
A college student borrows $1500 during his senior year. The loan is to be repaid in 20 equal quarterly installments. The interest rate is 5% per year with the first payment to be made 3 years after the date of the loan.
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