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A gas is confined to a cylinder under constant atmospheric pressure. When 419 J of heat is added to the gas, it expands and does 103 J of work on the surroundings. What is the value of delta H for this process? And what is the value of delta E for this process?
Complete the following table by calculating the missing entries. In each case indicate whether the solution is acidic or basic. pH pOH [H+] [OH -] acidic or basic
description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
Even though butanols have the same number of the same atoms, we see large differences in their ability to dissolve water. How do you account for this? How might you account for the much smaller differences observed among the pentanols
naoh co2 - na2co3 h2o.if the average human body discharges 716 g of co2 per day how much naoh is needed each day for
the density of gold is 19.31 gcm3 and the density of platinum is 21.43 gcm3. if equal masses of gold and platinum are
Bessemer converter is used for the manufacture of : Which is the formula of Haematite
A sugar water mixture contains 45.8g of sugar and 108.5 g of water. What is the percent by mass of sugar and the percent by mass of water in the solution?
when two atoms collide some of their kinetic energy may be converted into electronic energy in one or both atoms. if
What is the mole fraction of 1.98 m Fe(NO3)3 (aq). The molar mass of Fe..=241.9g/mol and the molar mass of H2O is 18.02 g/mol
Use this information to compare how long it will take to obtain molecular scale mixing of such a gas over i) distance 1*10^-4 m and ii) 10m
Six moles of hydrogen gas at 0 degrees C is forced into a steel cylinder with a volume of 200mL. What is the pressure of this gas
AMines can be made by the reduction of nitriles, which in turn can be made from an alkyl halide. Draw the structures of a starting alkyl bromide and the intermediate nitrile that would be used in the synthesis
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