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A swimming pool, 20.0 m ? 12.5 m, is filled with water to a depth of 3.71 m. If the initial temperature of the water is 18.5°C, how much heat must be added to the water to raise its temperature to 28.3°C? Assume that the density of water is 1.000 g/mL.
A sample of gas occupies a volume of 400 mL at 0.740 atm and 70 oC. Calculate the pressure of the gas if its volume is changed to 360. mL while its temperature is held constant.
what is the mass percent ch3oh of a 0.256 m ch3ohaq
When (R)-6-chloro-2,6-dimethyloctane undergoes solvolysis in 80% aqueous acetone, what is the relationship between the substitution products formed in the reaction
Solution boiled to remove CO2 and then the excess HClO4 back titrated with 13mL of dilute NaOH. In a seperate experiment 18.44 mL of HClO4 neutralized NaOH in a 16.0 mL portion. Calculate molarities of HClO4 and NaOH
you have pure beta-d-glucopyranose of 100 grams nearly it was dissolved in an ethanolwater combination with the
What is the pH when enough 0.100 base is added to neutralize 8.00 mL of 0.100 M acid? Note: Make simplifying assumptions
what is the percent yield of a reaction in which 262 g phosphorus trichloride reacts with excess water to form 102 g
For the titration of 50.0 mL of 0.020 M aqueous salicylic acid with 0.020 M KOH(aq), calculate the pH after the addition of 55.0 mL of KOH(aq). For salycylic acid, pKa = 2.97.
question 1based on their ground state electron configurations alone rank these molecule in order of bond length from
The following data apply to 25oC and 100kPa. Assume the specific volume Vs, and Kt are constant with respect to pressure changes. delta G(graph) = 0
Calculate the ph at the equivalence point in the titration of 40.0 mL of 0.165 M of methylamine (kb = 4.4 x 10^-4) with 0.280 M HCl
Draw the structure(s) of the product(s) of the Claisen condensation reaction between ethyl phenylacetate and ethyl formate.
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