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Will a precipitate form when a solution of sodium acetate and a solution of ammonium sulfate mix and what is the net ionic equation that describes the chemical change. what about for a solution of calcium chloride and a solution of mercury (I) nitrate
Alcohols are less volatile than ethers of the same molecular weight, but the two classes of compounds have approximately the same solubility in water because:
What mass of silver chloride can be produced from 1.70 L of a 0.177M solution of silver nitrate.
Calculate the amount of energy in kilojoules needed to change 423g of water ice at -10 deg c to steam at 125 deg c . The following constants may be useful:
a cylinder measuring 5.7 cm wide and 6.8 cm high is filled with gas. The piston is pushed down with a steady force measured to be 11 N.
Compute the final temperature of the solution assuming no heat lost to the surroundings .the solution has a specific heat capacity =4.18 J/°C·?
Derive an expression for the subsequent concentration of sodium chloride c in terms of c0, t, Q, and V. Make a sketch of c versus t and label the main features.
A major oil company has used a gasoline additive called MMT to boos the octane rating of its gasoline. What is the emperical formula of MMT if it is 49.5% C, 3.2% H, 22.0% O, and 25.2% Mn.
The heat of formation of Al2O3(s) is -1669 kJ/mol. Calculate the heat evolved when .267 g of Al burns in oxygen.
Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..
C3H8 + 5O2 reacts to yield 3CO2 + 4H2O +488 kJ What is the heat released if 2.5 moles of C3H8 reacts completely with oxygen?
How many mL of a 0.10 m solution of NaOH are needed to completely react with 120 mL of a 0.15 m solution of H2CO3.
A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
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