Chemistry Answers

How to prepare 25% Aluminium Chloride Hexahydrate in absolute alcohol?

Calculate the standard heat of vaporization for tin( IV)chloride, SnCl4.

change heat of fusion=-511.3kj/mol for SnCl4(l) and -471.5 kj for SnCl4 (g).

How many liters of liquid nitrogen are produced when 766. 0 L of nitrogen gas is liquefied at 77.3 6K

At 200.0 K, a gas fills a 475.0 mL balloon. What will be the volume of the balloon if the temperature is raised by 60.0 K?

Identify the neutral element represented by this excited‑state electron configuration.

excited-state: 1𝑠22𝑠22𝑝63𝑠23𝑝34𝑠1

An aliphatic carboxylic acid reacts with an alcohol and the following equilibrium is established RCOOH+R'CH^2OH=RCOOCH^2R'+H^2O what is the number of constituents and the number of components in the system

Does following compound are stable compounds of transition elements? Give reason for your answer.

CrCl6 MnCl7

c8h18 reaction with cr203

Once a system has reached equilibrium, what happens to:

a) The rates of the forward and backward reactions

b) The concentration of the species present

If 17.3g of powdered aluminium are allowed to react with excess Fe2O3, how much heat is produced?