Chemistry Answers

Calculate the number of atoms sampled in a 2x2x2,um-cubic in the surface of Nickel

⦁ What is the molarity of a solution that contains 10.0 grams of Silver Nitrate that has been dissolved in 750g of water

⦁ What is the molarity of a solution that contains 10.0 grams of Silver Nitrate that has been dissolved in 750g of water

Silver nitrate + potassium phosphate

7.36x10^22 free oxygen atoms

with the help of two examples, compare the terms basicity and nucleophilicity.

analyse the effects of monosubstituents -OH, -Cl, -NO2 and -CH3 on the benzene ring

property of water that explains why There is a large drop in temperature during evaporation.

The heat needed to vaporize a certain amount of liquid. A certain substance A has a boiling point of 78℃and substance B has a boiling point of 110℃.Answer the following questions and explain your answer in each case.

1.Which substance has a higher vapor pressure?

2.Which substance has a stronger force of attraction?

3.Which substance has a higher heat of vaporization?

4.Which one will have a higher viscosity?

What will be the notation for a Ca ion when two electrons will remove