General Chemistry Answers

How much heat is needed to raise the temperature of a pot containing 1800 grams of water on the stove from 45 degrees Celsius to 100 degrees Celsius? The specific heat capacity of water is 4.18 J/g degrees Celsius.

Calculate the molarity of an iron (ll) cyanide solution where 3.7 grams of Iron (II) Cyanide are dissolved in a total volume of 2 L of water.

Calculate the molarity of a solution in which 2.1 moles of sodium chloride are dissolved in 7.9 L of water

What are the only things that can change in a valid experiment?

152.5 g of CuCl2 is dissolved in water to make a solution with final volume of 2.25 L. What 

is its molarity

Nitromethane (CH₃NO₂) burns in air to produce significant amounts of heat.

How much heat is produced by the complete reaction of 5.56 kg of nitromethane?

Molar mass CH₃NO₂ = 61.04 g/mol

how many shared electrons are in one carbon dioxide molecule?

A.2 B.4 C.8 D.12

which has the most shells that contain electrons?

Al3+ Be2+ N3- S2-