The heat required to melt a substance is called the Enthalpy of Fusion. The enthalpy of fusion of a material is 39 kJ/mol. How much energy (or heat) does it take to melt 1.5 mol of the substance? Provide the answer in kJ. The enthalpy of vapourization of a material with a molecular weight of 57.39 g/mol is 71.9 kJ/mol. How much energy (or heat) is given off when 2.75 g of the material condenses? Provide the answer in kJ. The enthalpy of combustion of a gas with a molecular weight of 37.25 g/mol is -72.9 kJ/mol. How many grams are required to produce -2.43 kJ of heat? (As with all calculation questions, first consider what you already know about your answer. In other words, use the abc format.)
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Give typed full explanation of all three not a single word hand written otherwise leave it
The heat required to melt a substance is called the Enthalpy of Fusion. The enthalpy of fusion of a material is 39 kJ/mol. How much energy (or heat) does it take to melt 1.5 mol of the substance? Provide the answer in kJ.
The enthalpy of vapourization of a material with a molecular weight of 57.39 g/mol is 71.9 kJ/mol. How much energy (or heat) is given off when 2.75 g of the material condenses? Provide the answer in kJ.
The enthalpy of combustion of a gas with a molecular weight of 37.25 g/mol is -72.9 kJ/mol. How many grams are required to produce -2.43 kJ of heat? (As with all calculation questions, first consider what you already know about your answer. In other words, use the abc format.)
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
