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In an automobile engine, at the end of the upstroke the piston is at its maximum height in a cylinder of exact dimensions. At this time, a precisely measured mixture of fuel and oxidant ignites to form gaseous products. If the ignition temperature is known, how could you calculate the pressure inside the cylinder just before the piston moves downward? Which gas law does this go with? P1V1=P2V2 U=square root:(3RT/m) (T1/V1)=(T2/V2) Others (P1/T1)=(P2/V2) And (P1/T1)=(P2/T2) is wrong.
Calculate the change in internal energy of the following system: a balloon is cooled by removing 0.657 kJ of heat. It shrinks on cooling, and the atmosphere does 384J work on the balloon.
Explain why selectivity in isocratic HPLC system ideally should not depend on eluent composition. (Use thermodynamic derivation to support your explanation).
Calcium nitrate will react with ammonium chloride at slightly elevated temperatures, as represented in the equation Ca(NO3)2(s)+2NH4Cl(s)--->2N2o(g)+CaCl2(s)+4H2O(g)
Consider a tire at 35 Celcius filled with 32 psig of O2 instead of N2. Calculate the pressure in the tire at -18 celcius
The addition of a crystal of sodium chlorate to a sodium chlorate solution causes additional crystals of sodium chlorate to precipitate. Will the solution be saturated, unsaturated, or supersaturated?
An unknown metal m reacts with sulfur to form a compound with the formula M2S3. If 3.12g of m reacts with 2.88g of S, what are the names of M AND M2S3
what is the pressure exerted onto the closed end of an apparatus if the atmospheric pressure is 720 torr and the height of the water is 22.3 cm.
osmium has a density of 22.6 g/cm3. what volume (in mL) would be occupied by a 21.8 g sample of osmium?
The limiting current of lead in an unknown solutions is 5.60μA. one mL of a 1.00 x 10-3M lead solution is added to 10.0mL of the unknown solution
Use the van der Waals parameters for chlorine to calculate approximate values of (a) the Boyle temperature of chlorine and (b) the radius of a Cl2 molecule regarded as a sphere.
Calculate the average bond energy of one O3 bond. What wavelength has just the right amount of energy to break the bond
A polymer sample combines five different molecular-weight fractions, each of equal weight. The molecular weights of these fractions increase from 20,000 to 100,000 in increments of 20,000.
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