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Great Assignment Help Questions

A piston performs work of 210. L atm on the surroundings, while the cylinder in which it is placed expands from 10. L to 25 L.

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Posted: 23-11-2022

The enthalpy of combustion of CH4(g) when H2O(l) is formed is 891 kJ/mol and the enthalpy of combustion of CH4(g) when H2O(g) is formed is 803 kJ/mol.

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Posted: 23-11-2022

Solid thorium(IV) fluoride has a boiling point of 1680C. What is the density of a sample of gaseous thorium(IV)

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Posted: 23-11-2022

Helium is collected over water at 25C and 1.00 atm total pressure.

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Posted: 22-11-2022

A piece of solid carbon dioxide, with a mass of 7.8 g, is placed in a 4.0-L otherwise empty container at 27C.

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Posted: 22-11-2022

Given that a sample of air is made up of nitrogen, oxygen, and argon in the mole fractions 78% N2, 21% O2, and 1.0% Ar,

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Posted: 22-11-2022

A compound has the empirical formula CHCl. A 256-mL flask, at 373 K and 750. torr, contains 0.800 g of the gaseous compound.

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Posted: 22-11-2022

Hydrogen cyanide is prepared commercially by the reaction of methane, CH4(g), ammonia, NH3(g),

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Posted: 22-11-2022

A student adds 4.00 g of dry ice (solid CO2) to an empty balloon. What will be the volume of the balloon at STP

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Posted: 22-11-2022

At room temperature, water is a liquid with a molar volume of 18 mL.

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Posted: 21-11-2022

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