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q show redox reactions as electron transferansoxidation is a process where electrons are lost and reduction is a process where electrons are
q illustrate law of equilibrium and equilibrium constantsansthe general equation for a reversible reaction is given byaa bb -gt cc ddthe law of
q show the effect of pressure on chemical equilibriumansin gases the pressure is proportional to the number of moles of molecules reactions
the effects that temperature has on the equilibrium position of a reaction can also be explained by using le chteliers principlerecall that in an
q show the effect of concentration on chemical equilibriumanswhen more of one of the chemicals is added to the reaction more collisions take place
q show the factors affecting equilibrium positionansthe term equilibrium position refers to the relative proportions of reactants and products in the
q explain le chteliers principleansconsider the equilibrium reaction ofa b -gt c dthe forward reaction occurs when a and b combine to form c and da
q what do you know about chemical equilibriummany chemical changes are reversible and will proceed towards an equilibrium instead of going to
explain comparing fractions with exampleif fractions are not equivalent how do you figure out which one is largercomparing fractions involves finding
explain equivalent fractions two fractions can look different and still be equaldifferent fractions that represent the same amount are called
q what is activation energyanscolliding molecules which overcome the activation energy form an activated complex in the activated complex original
describe simplifying fractions with examplewhen a fraction cannot be reduced any further the fraction is in its simplest form to reduce a fraction to
give an examples of simplifying fractions when a fraction cannot be reduced any further the fraction is in its simplest formto reduce a fraction to
give an example of numerator and denominatorfractions represent parts of a whole object fractions are written using a horizontal line with one number
q explain collision theoryanswhy do some reactions take place faster than others what actually happens in a chemical reaction consider a gaseous
find out least common multiplethe smallest number that is a common multiple of two numbers that is both numbers share the same multiple is called the
find out the greatest common factorthe largest number that is a common factor of two numbers that is both numbers share the same factor is called the
normal 0 false false false en-in x-none x-none microsoftinternetexplorer4
describe the sample of exponents imagine for example that you are the pe coach at your school and you need to divide one of your classes into teams
what is exponents valuesexponents were invented as a quick way to show that you are multiplying a number by itself several timesits too much trouble
q illustrate metallic bondingansa metal is crystalline because it has a regularly repeating closely packed structure in a metal though this closely
explain the rules of divisibility divisible by 2 if the last digit is a 0 2 4 6 or 8 the number is evenly divisible by 2divisible by 2not divisible
legacy of immigrationthe united states has always been a nation of immigrants and remains one today many people from other nations still immigrate to
world war i and national origins act-american immigrationworld war i 1914-1918 marked an important turning point in the history of immigration to the
why did some americans become nativists and urge restrictions on immigration many old stock americans were troubled by the vast number of