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1119. J of energy, to what volume will the gases expand against a constant pressure of 645. torr if all the energy of combustion is converted into work to push back the piston?
How much would the beaker and its content weigh if it was completely filled with mercury? The density of mercury is d = 13.5 g/mL ? = g
The vapor pressure of bromine, Br2(l) at 25°C is 228 mm Hg.If 2.00 g of liquid bromine is used, what is the final pressure in a 2.0 L flask?
what is the name and formula for a compound with a composition percent of 77.7% Fe, 22.3% O and a molar mass of 71.85
At 0.0oC, if the volume of air is 2.6 mL and the pressure of the atmosphere that day is 815 mmHg, what is the number of moles of air?
What volume of STP of CO2 would be produced by the fermentation of 13.94 of 13.94g of glucose?
Use the de Broglie relationship to determine the wavelengths of the following objects: an lithium atom moving at 2.5*10^5m/sUsing Heisenberg's uncertainty principle,
how many milliliters of 0.54M HCL solution are needed to react completely with 4.6g of zinc to form zinc (II) chloride?
What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)
An ice bag containing 324 of ice at 0deg C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 17.0 deg C.How many kilojoules of heat were absorbed?
A compound is 40.0 , 6.70 , and 53.3 by mass. Assume that we have a 100.- sample of this compound.The molecular formula mass of this compound is 180 . What are the subscripts in the actual molecular formula?
Two charged dust particles exert a force of 4.7 10-2 N on each other. What will be the force if they are moved so they are only one fifth as far apart?
calculate the temperature (in EC) at which the vapor pressure is 760 torr. The vapor pressure of Ethanol is 115 torr at 34.9EC
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