Inorganic Chemistry Answers

calculate the wavelength(1/m), frequency(hz),and energy(kj/mol) of visible light of wavelength 400
nm.

Calculate the volume ,mass and number of molecules of hydrogen liberated when 299 g of sodium react with excess of water at STP.

How many molecules are in 85 liters of AgNO3?
How many cadmium atoms are there in 6.57x 10 to the 23rd power moles?
Please help with these two question need for a test.

Which of the following changes are classed as a chemical change?

a) The fluorescent green solution formed when brick red ammonium dichromate is placed in water
b) When heated over a bunsen, white zinc oxide turns yellow
c) The blue solution that forms when sulphuric acid is added to copper oxide
d) The purple solution that forms when potassium permanganate is added to water

Calculate the fundamental frequency of H Cl 1 35 bond if its force constant value is 516 N m-1

An xray photon of wavelength 0.989 nm strikes a surface. The emitted electron has a kinetic energy of 969eV. What is the binding energy of the electron in kJ/mol?

Skecth the spectru of diethyl ether?

What is the colour when hydrogen peroxide react with potassium chromate?

Lewis structure and structural formula of SiCl4

WHICH OF THESE TWO MOLECULES LOOSE 'K' VERY EASILY
KCl OR potassium dihydrogen phosphate