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A thermos bottle containing milk is shaken vigorously. Consider the milk as the system. (a) Will the temperature rise as a result of the shaking? (b) has heat been added tot he system? (c) Has work been done on the system? (d) Has the system's internal energy changed
if 0.00484 mol N2O effuses through an orifice in a certain period of time, how much NO2 would effuse in the same time under the same conditions ?
What reagents will convert benzene to aniline the most efficiently? Also what reagents will convert toluene to p-aminobenzoic acid
The molar solubility of calcium phosphate. b) The molar concentration of calcium ions at equilibrium. c) The molar concentration of phosphate ions at equilibrium.
A mixture of CS2 (g) and excess O2 (g) is placed in a 10.0 L reaction vessel at 100.0 degrees C and the pressure of 3.00 atm, A spark causes the CS2 to ignite, burning it completely, according to the equation:
A 32.0-g sample of water at 260. K is mixed with 47.0 g water at 300. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A 2.00L flask originally containing 0.500M disulfur decaflouride is allowed to reach equilibrium and found to contain 0.023M disulfur decaflouride. If an additional 0.125mol of the disulfur decaflouride is added and equilibrium re-established, wha..
When a 0.250 gram sample was studied by combustion analysis, 0.451 grams of CO2 and 0.0617 grams of H2O was formed. Calculate the molecular formula.
The plasma (HCO3-) of an individual living at a high elevation is 18.5 meq/L. If this concentration of bicarbonate fully compensates the decrease
if 150g of water is collected during complete combustion of 166g of butane with ocyben, calculate the percent yield of water.
What is the pH of solution at the second equivalence point? The acid dissociation constants for carbonic acid are pK1=6.35, pK2=10.33
An aqueous solution containing 34.1 g of an unknown molecular (nonelectrolyte) compound in 141.3 g of water was found to have a freezing point of -1.5 degrees C. Calculate the molar mass of the unknown compound.
What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 3.0 L of .700 M NH4NO2 decomposes
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