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In a bomb calorimeter compartment surrounded by 1.341 kg of water, the combustion of 1.016 g of benzene, C6H6 (l), raised the temperature of the water from 23.640°C to 32.692°C. The heat capacity of the calorimeter is 0.954 kJ/°C. What is ?E for the reaction in kJ/mol of C6H6 (l), the specific heat of water is 4.184 J/g°C. Enter the correct sign (+ or -). Enter to 0 decimal places.
Calculate the number of moles of CO 2
The sample is placed in a drying dish (weight = 0.5000 g before the sample is added), and then placed in an oven at 104°C until all the moisture is evaporated.
label the layers after an extraction. Describe a fast method for determining which layer is your organic phase.
What volume of 0.646MK3PO4 is required to react with 78 mL of 0.391 M MgCl2 according to the equation 2K3PO4 + 3MgCl2 --> Mg3(PO4)2 + 6KCl
calculate the approximate mass of KHP required to react with 40.0 mL of 0.125 M sodium hydroxide in titration.
using all atoms and bond structure, show an ionization reaction for benzoic acid
A pt has a blood Ca level of 4.6 mEq/L If 1mol Ca2+= Eq Ca2+ what is the blood calcium levle in mg/dl
If you wanted to make 10.0 moles of hydrogen gas, how many many moles of Al would you need?
A student is conductiong this experiment, but forgets to temper the lid. therefore it breaks while the hydrate is being heated. the student thinks carefully and replaces the old lid with a new one, collecting the following data. what is the percen..
Sketch a phase diagram for benzene and locate these points: the triple point (5.5 0C and 3.4 mmHg), the normal boiling point (80.10C)
If Ka is 1.85 x 10-5 for acetic acid, what is the pH of the solution at the equivalence point during a titration of 50.0 mL of 0.100 M acetic acid with 0.100 M NaOH
A 25.0g sample of nitrogen (N2) has a volume of 50.0L and a pressure of 630.0 mmHg. What is the temperature of the gas.
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