Determine the volume occupied by mixture
A mixture of hydrocarbon gases is composed of 60% methane, 25% propane, and 15% butane by weight. Determine the volume occupied by 100 kg of this mixture when its pressure is 3 MPa and its temperature is 37 degrees C.
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Also, calculate the net reduction of operating costs for the system (in mills/kWh) due to the net sulfur revenues.
A capacitor when fully charged holds 5.0 J of energy. When it is connected across a 10-kΩ resistor, 2.0 J of energy is dissipated in 8.5 ms. What is the capacitance of the capacitor?
Suppose scores on a midterm and a ?nal exam have a bivariate normal distribution. The correlation between midterm scores and final exam scores is 0.6.
At a certain temperature the reaction CO2 (g) + H2 (g) ? CO (g) +H2O (g) has Kc = 2.50. If 2.00 mol of carbon dioxide and 1.5 mol of hydrogen are placed in a 5.00 L vessel and equilibrium is established, what will be the concentration of carbon mo
Determine the volume occupied by 100 kg of this mixture when its pressure is 3 MPa and its temperature is 37 degrees C.
Suppose a fair six-sided die is tossed and the outcome x recorded. Toss the die x more times and record the smallest number tossed, say y. Then toss the die y times again and record the largest number tossed, say z. Determine the probability that
When the coil of a motor is rotating at maximum speed, the current in the windings is 9.0 A. When the motor is first turned on, the current in the windings is 16 A.
Five cards are independently and randomly picked from a standard 52 card deck and each card is recorded in sequence. Each card that is picked is then put back in the deck, so it is possible to record the same card more than once. Determine the pro
A 25-Ω resistance is connected in series with a 30-mH inductance and a 12-µF capacitor and are connected to a 90-V (rms) ac. If the frequency of the ac source is 500 Hz, calculate: (i) the current in the circuit. (ii) the voltage across
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