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A 25.95 -g sample of methanol at 35.6°C is added to a 38.65-g sample of ethanol at 24.7°C in a constant pressure calorimeter. If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determine the specific heat of methanol.
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)?
toothpaste contains 0.24% by mass sodium flouride used to prevent dental cavities. One tube contains 119g of toothpaste. How many moles of NaF are in the tube?
Determine the magnitude of the partial charges in HBr given that the bond length is 1.41 angstroms and the dipole moment is 0.82 debye.
Which of the following can be the product of a neutralization reaction?
Determine the number of moles of oxygen that react completely with 8.0 moles of C2H6 based on the following balanced equation.
0.755 mole of bismuth oxide reacts with an excess of carbon to form bismuth metal according to the following reaction: Bi2O3(s) + 3 C(s)-> 2 Bi(s) + 3 CO(g) How many moles of Bi form?
What wavelength of radiation must be used to eject electrons with a velocity of 1.5 X 10^3 km s-1
Consider a galvanic cell that used the reaction: 2 Ag+(aq) + Sn(s) ? 2 Ag(s) + Sn2+(aq). Calculate the potential at 25°C for the cell given: [Ag+] = 0.010 M, [Sn2+] = 0.020 M
Using a biuret assay, the following set of data has been obtained. Using a graph, determine how much protein is in your sample. Sample 0 mg albumin 10 mg albumin 25 mg albumin 50 mg albumin 75 mg albumin 100 mg albumin Unknown Absorbance 540 nm 0...
Compare the numbers you have just calculated with the vapour pressures of water at these temperatures. Can you suggest a reason why the two sets of numbers are so different?
Using graphical techniques, which form of chlorendic acid (neutral, mono-anionic, or di-anionic) is not responsible for the inhibitory effect
Suppose that 1.331 g of impure barium hydroxide is dissolved in enough water to produce 250. mL of solution and that 35.0 mL of this solution is titrated to the stoichiometric point with 17.6 mL of 0.0935 M HCl(aq). What percentage of the impure s..
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