Chemistry Answers

if theres 180 grams of ci2 how many moles of FeCl3 can be produced?

1.Give the conjugate acids of the following compounds:

a. OH^- b. HF c.CO₃^2- d.HPO₄^2- e.CIO^-₄

2.Write reactions to depict the auto ionization of the following compounds

a. NH3 b. H₂O c.HCOOH

A solution x is made by taking 10.00 mL of a 1.4 M solution and add enough water to make 100.0 ml total volume. Solution y is made by taking 5.0 ml of solution x and diluting it again by adding it to 95ml of water. Calculate molarity of solution x and y.

3C + 4H2 C3H8 reaction type

3C + 4H2 C3H8 reaction type

Mass of a nucleus of an atom is 3.87 x 10^-23. This nucleus contains 10 neutrons. Identify the element.

List down 3 real life examples where the effect of temperature in solubility is observed

1.

2.

3.

List down 3 real life examples where the effect of pressure in solubility is observed

1.

2.

3.

Ammonium phosphate and zinc sulfate?

Using the ΔHf data provided, calculate ΔH in kJ mol-1 for the following reaction: 

2NO2(g) ⇋ N2O4(g)

calculate the boiling point and freezing point of the solution at room temperature.

(Given: Kb (water)= 0.521°C/m

and Kf (water)= 1.86°C/m.

Molal (m) = 1.1

LiCl=

Glucose=

Li2SO4=

KBr=

Na2SO4=

PbCl2=