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A 53.42g sample of water at 76.1 cegress Celcius is added to a sample of water at 23.3 degrees celsius in a constant pressure calorimeter. If the final temperature of the combined water is 39.0 degrees C and the heat capacity of the calorimeter is 26.3 J/C, calculate the mass of the water origninally in the calorimeter. Enter your answer in scientific notation.
Which compounds are completely water soluble. Which compounds are insoluble in water.
Draw a resonance structure, complete with all formal charges and lone (unshared) electron pairs, that shows the resonance interaction of the acetyl with the ortho position in acetophenone
Which of the following accurately lists compouds in order of increasing solubility in water? A. LiCl2, Br2, O2, methanol (CH3OH) B. methanol (CH3OH), LiCl2, O2, Br2 C. O2, Br2, LiCl2, methanol (CH3OH) D. LiCl2, methanol (CH3OH), Br2, O2
For the reaction above, how much would be liberated by the combustion of 5.00g of iron metal in excess oxygen.
.1500g of an unknown sample was passed through a column of Amberlite-IR-200(+) resin and titrated with .2050M NaOH. If 9.75mL of titrant was required to reach phenolphthlein endpoint,
Write the structural formula of the main organic product of the following reaction between an alcohol (CH3OH), tosyl chloride, and then a nucleophile (CH3S-).
To reduce pollution when coal is burned, it is important to remove mercury and sulfur compounds from the effluent. Identify which, ifany, ofthe following redox reactions are spontaneous under standard conditions and therefore might be used for thi..
salicylic acid reacts with methanol to produce oil of wintergreen and water. If water is added to the solution, a precipitate is formed. identify the precipitate and explain why it is formed.
Calculate the binding energy per nucleon for 21H and 31H. The atomic masses are 21H, 2.01410 amu, and 31H, 3.01605 amu.
Use the half reaction method to balance the following equation in acidic solution. It is not necessary to include any phases of matter for any species. It is not necessary to include any phases of matter for any species.
Explain why the wild horse analogy can be used to help explain a certain type of chemical bonding
Selective precipitation, fractional precipitation, amphoteric precipitate solubilization, competitive equilibrium solubilization: anion protonation, competitive equilibrium solubilization
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