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What are the boiling point and freezing point of a 2.58 m solution of naphthalene in benzene? (The boiling point and freezing point of benzene are 80.1°C and 5.5°C, respectively.) boiling point °C freezing point °C
Draw the skeletal structure of the product if the following alcohol were treated with HF in pyridine. Atoms other than carbon and hydrogen are labeled
Use the valence bond thoery to determine whether the complex ion CoCl4^2- is a square planar or tetrahedral. measurements of its paramagnetism show that it has three unpaired electrons
calculate the number of moles of gas generated when 0.165grams of aluminum reacts with hydrochloric acid
Neglecting the contribution of end groups to polymer molar mass, calculate the percentage conversion of functional groups required to obtain a polyester with a number-average molar mass of 24,000 g mol-1 from the monomer HO(CH2)14COOH.
A large pond is 300m by 95m with an average depth of 2.5m. Assuming that the pond is saturated with oxygen, calculate the amount of sugar (C12H22O11) in kg that would be sufficient to completely consume the dissolved oxygen.
Starting with the standard free energies of formation from the following table, calculate the values of delta G and E cell of the following reactions.
The first steps in the radioactive decay of 257 Uuh involves the rapid and successive emission of 2 alpha particles. [Note: Uuh is the symbol for ununhexium, which is element number 116.]
What is the iron molar concentration in the serum sample? Not that the following relationship may be used: Aunk/Aunk+std - Cunk/{Cunk+Cstd}
Calculate the maximum number of moles and grams of H2S that can form when 152 g aluminum sulfide reacts with 147 g water.
What is the balanced molecular equation for the reaction between (Pb(NO3)2 and K2CrO4). Complete ionic and net ionic equations
Treatment of ammonia with phenol in the presence of hypochlorite yields indophenol, a blue product absorbing light at 625 nm, which can be used for the spectrophotometric determination of ammonia.
How long will it take in minutes until 42% of the original NO2 remains if the rate constant is 0.0066L/(mol sec) and the initial amount of NO2 is 0.45 mol/L?
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