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Explain how much heat is evolved when 50.0mL of CS2 (d=1.263 g/mL) react with 5.00 L of chlorine gas at 2.78atm and 27 degrees Celsius?
What would happen to the melting point if this unknown were mixed with (a) an equal quantity of pure acetanilide. (b) an equal quantity of benzoic acid
Analysis of an unknown substance showed that it has high boiling point and is brittle. It is an insulator as a solid but conducts electricity when melted, which of the following substances would have those characterisitics
acetic acid is placed in a flask and is titrated with 25.00 mL 0.100 M sodium hydroxide
a gas-filled balloon having a volume of 2.50 l at 1.2 atm and 25degc is allowed to rise to the stratosphere about 30 km
Hydrogen gas, H2(g), reacts with iodine gas, I2(g), to form HI(g) by the following proposed reaction mechanism with the listed hypothetical activation energies
What is the volume of 25.0 g of methylene chloride and what is the mass of 398.0 mmol of benzene (C6H6)
Write down the product for the reaction; Butane (forward and backward reaction)in the presence of Aluminium bromide and HBr at the temperature of 27 degree celcius/
determine the empirical formula of a 4.58g sample that contains 2 g of phosphorus with the balance of the mass being
If 25.6 L of NO2 forms, measured at 35°C and 605 mm Hg, what is the percent yield?
phenolphthalein is a commonly used indicator that is colorless inthe acidic form ph lt 8.3 and pink in the basic form
The crystalline form of silver (Ag) is composed of face-centered cubic unit cells. If the density of silver is 10.48 g/cm3 at room temperature
The resultant mixture is then evaporated in a kettle to produce a jam contain- ing 67 wt % soluble solids. For a feed of 1000 kg crushed fruit, calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced
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