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How does the size of ions in a solution affect the solutions conductivity? Would you expect the conductivity of a solution containing an equal concentration of ions with a charge of +2 to be twice that of one containing ions with a charge of +1? why or why not?
Ethane is burned with 20% excess air in a furnace operating at a pressure of 100 kPa. Assume complete combustion occurs. Determine the dew point temperature of the flue gas.
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm. Calculate ?E, ?H, and w for these processes
What is the half life of a first order reaction if it takes 4.4 x 10-2 seconds for the concentration to decrease from an initial concentration
When a rod of metallic lead was added to a 0.0100M solution of Co^+3, it was found that 68% of the cobalt in solution was reduced to Co^+2 by the lead. Find the value of K for Pb + 2Co^+3 = Pb^+2 + 2Co^+2
Draw the compound and its constitutional isomer indicate which structure has enantiomers, diastereomers or meso compounds. is the constitutional isomer chiral or achiral
label the layers after an extraction. Describe a fast method for determining which layer is your organic phase.
An infant ibuprofen suspension contains 100 mg/5.0 mL suspension. The recommended dose is 10mg/kg of body weight.
at room temp a significant portion of our sample is vaporized so that when the condensed vapor is weighed the flask
N and H undergo a combination reaction under appropriate conditions, to yield ammonia: N2 (g) +3H2 (g) →2NH3 (g), determine how much sample of N2 in grams requires 3.0 g of H2 for complete reaction.
consider the following factswater freezes spontaneously at -5c and 1 atm and ice has a moreordered structure than
Nitrogen reacts with a metal to form a compound in which there are three atoms of the metal for each atom of nitrogen. If 1.486 g of the metal reacts with 1.000 g of nitrogen
note that the integrals for some of the resonances in the 1h nmr spectrum are higher than they should be due to the
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