Main overall driving force
What is the main overall driving force for any spontaneous reaction or change?
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Propane gas enters a continuous adiabatic heat exchanger' at 40°C and 250 kPa and exits at 240°C superheated steam at 300°C and 5.0 bar enters the exchanger flowing counter currently to the propane and exits as a saturated liquid at the s
Balance the eqaution C4H9SO+O2 !CO2+ SO2+H2O using the smallest possible integers. What is the sum of the coefficients in the balanced equation?
If 10.3 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 20 celcius and .989 atm.
A mixture of CaCO3 and CaO weighing 0.630 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g. Assuming all the CaCO3 broke down to CaO and CO2, calculate the mass percent of CaCO3 in the original mixture.
What mass of F2 is needed to produce 205 g of PF3 if the reaction has a 79.3% yield?
The upside-down steel A frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using ISO grade 8.8 bolts.
A 120g sample of an unknown substance was heated from 15oC to 30oC. The substance absorbed 458 joules of energy. What is the specific heat of this substance?
A sample of gas with an initial volume of 33.0 L at a pressure of 765 mmHg and a temperature of 325 K is compressed to a volume of 16.2 L and warmed to a temperature of 440 K. What is the final pressure of the gas?
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Problem: Causes of secondary amenorrhea include: More than one answer may be correct. Multiple select question.
A patient reports lock jaw, severe drooling, the feeling of his tongue thickening and an inability to speak or swallow during an outpatient visit.
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The researchers adjusted their analyses to account for several potential confounding variables, including gender, age, race/ethnicity, parental education
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