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How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the thermodynamic table linked above. Show your calculation
A 70.6 L constant-volume cylinder containing 7.44 g Hg is heated until the pressure reaches 3.80 atm. What is the final temperature in degrees Celsius?
Which antacid product would you expect to be more effective at neutralizing acid on the basis of mass of the active ingredient: tums or milk of magnesia?
60.0 mL of a 0.450 M HNO_3 solution is titrated with 0.570 M KOH. Calculate the volume of KOH required to reach the equivalence point.
A fertilizer manufacturing plant that produces 1,500 tons per day of fertilizer is known to emit particulate matter (PM) at a rate of 22 grams per ton of fertilizer produced.
Calculate the 1) mls of 15M Acetic acid 2) the grams of sodium acetate 3) and the mls of water required to make a 500mM acetate buffer at pH 4.85
write a net ionic equation for the reaction of each antacid with aqueous HCl. include the state of each species. a)MgCO3 b)CaCO3 c)Mg(OH)2
How many seconds after the start of the reaction does it take for the reactant concentration to decrease to 0.0185 M?
In this exercise it was also assumed that the calorimeter was a perfect insulator and that no heat was lost to the surroundings.
Draw the Lewis Structure for C3H6O (non-central atom type.) (There are five isomeric structures. Draw any three.)
Na3AlF6(l) 3 Na(l) + Al(l) + 3 F2(g) What is the concentration of F2 over a bath of molten cryolite at this temperature? a) 3 10-35 M b) 5 10102 M c) 6 10-74 M d) 8 10-312 M e) 8 1017 M
A total of 0.155 of this subunit was dissolved in enough water to produce 2.00 of solution. At 28 the osmotic pressure produced by the solution was 0.138 . What is the molar mass of the protein?
How many moles of steam are produced at 2.00 atm and 202.0 degrees celcius by the complete combustion of 12.50 L of methane gas?
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