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Consider 4.30 \rm L of a gas at 365 \rm mmHg and 20. \rm ^{\circ}C . If the container is compressed to 2.40 \rm L and the temperature is increased to 36\, \rm ^{\circ}C, what is the new pressure, P_2, inside the container? Assume no change in the amount of gas inside the cylinder.
A tank contains helium for filling balloons. It holds 6.75 L of He at 49.6 atm and 25.1 °C. What would be the volume of this helium at 1.66 atm and 10.7 °C
If acetic acid has a pure vapor pressure of 20 torr at 30 degrees C and acetaldehye has a pure vapor pressure of 1000 torr at 30 degrees C, a mixture of 12 moles of acetic acid
Hydrogen gas can be prepared by reaction of zinc metal with aqueous HCl : Zn(s) + 2HCl(aq) = ZnCl2 (aq) + H2 (g). How many grams of zinc would you start with if you wanted to prepare 5.45L of H2 at 388mm Hg and 29.5C
Magnesium burns in oxygen gas to produce magnesium oxide. What mass of magnesium will react with a 0.25 L container of oxygen gas at 80oC and 770 mmHg?
the burning of ethane produces both co2 and h2o. if 200 ml of co2 is produced at 20degc and 750 torr what volume of
(Calculate using the given masses.) lighter isotope amu heavier isotope amu (c) Determine the average molecular mass of a Br2 molecule. amu (d) Determine the average atomic mass of a bromine atom. amu (e) Calculate the abundances of the two isotop..
Suppose that 2.00mL of isopently alcohol was reacted with excess acetic acid and that 2.00g of isopentyl acetate was obtained as product. Calculate the percentage yield.
what is the chemical equation that describes both these reactions? Please give the chemical equations of what happens in this situation
A solution contains 0.10 M I- and 0.10 M CO32-. In an attempt to separate the ions, Pb(NO3)2 is slowly added to the solution. (a) Identify the precipitates that could form and predict which precipitate will form first.
the summit of Mt. Humphreys, the highest point in Arizona, is 12,600 ft. How many meters is this
Heating potassium chlorate KClO3, yields oxygen gas and potassium chloride. What volume, in liters, of oxygen at 23 degrees C and 760 torr is produced by the decomposition of 4.42 g potassium chlorate
Suppose an adult is encased in a thermally insulating barrier so that all the heat evolved by metabolism of foodstuffs is retained by the body. What temperature does her body reach after 3.0 hours
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