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A solution of 75.0g of benzene and 75.0g of toluene has a total vapor pressure of 80.9mmHg at 303K. Another solution of 100.0g of benzene and 50.0g toluene has a total vapor pressure of 93.9mmHg at this temperature.
3 moles of carbon dioxide gas expands reversibly in a piston-container from 20 L to 40 L in an isothermal process at 400 K. Calculate work, heat, change in internal energy and change in enthalpy, considering van der Waals behaviour. [a = 3.59 atm ..
Today Chemistry plays an important role in our everyday lives. When you come to think about it, it is in everything that we do. Define chemistry in your own words and list at least FIVE(5) examples of how you applied chemistry today.
A red blood cell with an inner concentration of 0.9 g NaCl per 100 mL of solution is placed into a 2.0 g NaCl per 100 mL solution
Although the formula of this new chemical is a trade secret, it can be revealed that the formula for Herbigon is X-acetate (XCH3COO, where "X" represents the top-secret cation of the salt).
Which satisfy the octet rule and which do not? PS3, SO2, SO3, NO3-1, CO3-2, PCl5
the compounds shown are possible acylation products from 124-trimethylbenzene pseudocumene. explain the only way you
the density of liquid water at 0 degrees celsius is 0.9987 gcm3 the density of ice at this same temperature is 0.917
calculate the empirical formula for the bismuth oxide, 89.7% Bi and 10.3 O. and percent composition
If a water electrolysis cell operates at a current of 8.1 A , how long will it take to generate 24.0 L of hydrogen gas at a pressure of 23.0 atm and a temperature of 25 C
What is the percent yield of lithium nitride if 76.8 g of lithium nitride is recovered from reacting 56.0 g of nitrogen gas with 56.90 g of lithium metal?
The activation energy for the formation of HCl from its elements: H2 (g) + Cl2 (g) → 2 HCl(g) is 155 kJ mol-1. How much faster will this reaction occur at 200°C versus at 100°C?
A process involves the performance of electrical work in the amount w' on a system. Show that if the process is carried out at constant volume, the heat absorbed is delta U-w'.
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