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Problem- Sucrose (table sugar) has the formula C12H22O11 (molar mass= 342.30) and a food value of 6.49 kj/g. Determine the calorimeter constant of the calorimeter in which the combustion of 2.040g of sucrose raises the temperature by 2.08 C
Solve the above problem in detail no word count
If the pH of a bicarbonate-carbonic acid buffer is 7.90. Compute the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
determine the boiling point of a solution that contains 78.8 g of naphthalene c10h8 molar mass 128.16 gmol dissolved
Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. If 50.0mL of hydrogen gas is produced at STP, what is the mass of potassium that reacted
the heat of reaction for the combustion of cyclobutane c4h8 is 650.3 kcalmol. what is the heat of combustion for
question a sample of n2g was collected over water at 25 degrees celcius and 730 torr in a container with a volume of
In Denver, the Mile-High City, water boils at 95 C. What in atmospheres in Denver Hvap for H2O is 40.67 kj/mol
When 0.170 g of the hydrate CaCl2•xH2O is heated, 0.128 grams of anhydrous CaCl2 remains. What is the value of x in the formula for the hydrate
Compute the cell potential and determine. G for a cell that uses the following reaction: Cl2 (g) + 2I- (aq) > 2Cl- (aq) + I2 (s)
A piece of silver with mass 284 g has a heat capacity of 67.2 J/oC. What is the specific heat of silver
what is/are the organic product(s) in the reaction below. draw a stepwise, detailed mechanism for the following reaction. a.) CH3C=C-CH3 + Br2
What amount of energy is required to melt a 13.5 g piece of ice at 0oC to form liquid water at the same temperature of 0? The heat of fusion of water = 333 J/g , T he specific heat of H2O is approx. constant at 4.18 J/g x C.
Given that blood exert the same osmotic pressure as a o.15 M NaCl solution, which of the following could be the contents of the seconds beaker? 0.008 NaCl or 0.15 or 0.68
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