Calculate the density of the following materials for which the mass and volume of samples have been measured. Express the density of liquids in g/mL, the density of solids in g/cm3, and the density of gases in g/L. a. 250 mL of liquid mercury metal (Hg) has a mass of 3400 g. b. 500. mL of concentrated liquid sulfuric acid (H2SO4) has a mass of 925 g. c. 5.00 L of oxygen gas has a mass of 7.15 g. d. A 200-cm3block of magnesium metal (Mg) has a mass of 350 g.
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.
4. Calculate the density of the following materials for which the mass and volume of samples have been measured. Express the density of liquids in g/mL, the density of solids in g/cm3, and the density of gases in g/L.
a. 250 mL of liquid mercury metal (Hg) has a mass of 3400 g.
b. 500. mL of concentrated liquid sulfuric acid (H2SO4) has a mass of 925 g.
c. 5.00 L of oxygen gas has a mass of 7.15 g.
d. A 200-cm3block of magnesium metal (Mg) has a mass of 350 g.
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