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A piston has an external pressure of 8.00 atm. How much work has been done if the cylinder goes from a volume of 0.170 liters to 0.530 liters.
Determine the percent by mass of calcium carbonate in the sample
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B
Assuming the mixture has the same specific heat (4.184J/goC) and density (1.00 g/cm3) as water, calculate the heat (in J) transferred to the surroundings
Label each bond in the following molecules as polar or non polar (make sure you are describing the bond not the molecule). CH4
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane. Draw the organic product resulting from using these chemicals in the Wittig reaction.
Hemoglobin is the protein that transports O2through the blood from the lungs to the rest of the body. In doing so, each molecule of hemoglobin combines with four molecules
A typical bathtub can hold 100 gallons of water. Calculate the mass of the natural gas that would need to be burned to heat the water for a tub of the is size from 65 degrees farenheight to 108 degrees farenheight. Assume that natural gas is pure m..
A 47 kg sample of water absorbs 388 kj of heat. If the water was initially at 27.6 Celcius, what is its final temperature?
How many Pb atoms would be present in a 0.500 L sample of this air (the approximate lung capacity of a human adult)?
When she introduced 3.63E-2 moles of N2(g) and 6.18E-2 moles of H2(g) into a 1.00 Liter container, she found the equilibrium concentration of NH3(g) to be 9.68E-4 M.
Why are polychlorinated biphenyls (PCB's) importance to an EH&S or FS professional who encounters them when come to an incident where they are present?
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