Using the balanced equation from Question #8, how many grams of lead will be produced if 2.54 grams of PbS is burned with 1.88 g of O2? Express your answer to the correct number of significant figures and you must show all work in the form of dimensional analysis as shown in Lesson 4. (Hint: be sure to work the problem with both PbS and O2). 2Pbs + 3O2 ----------> 2Pb+2SO3
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.
Using the balanced equation from Question #8, how many grams of lead will be produced if 2.54 grams of
PbS is burned with 1.88 g of O2? Express your answer to the correct number of significant figures and you
must show all work in the form of dimensional analysis as shown in Lesson 4. (Hint: be sure to work the
problem with both PbS and O2).
2Pbs + 3O2 ----------> 2Pb+2SO3
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