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How would I calculate the age of a rock only given the amount of each in grams and half-life?40K decays to 40Ar. Half life of
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2. asked by Lena
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is this the right anser? for this problem please let me know thankscalculate the amount of heat in kilojoules released when 50
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2. asked by Joshua
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QuestionThe scatter plot below shows the amount of sodium (in grams) and amount of protein (in grams) in the menu items of a
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Based on the following chemical equation, balance the equation an answer the following questions:Fe2(S04)3 + NaCl ( FeCl3 +
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2. asked by camila
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Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 C are convert to 50 grams of ice at 125 C
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2. asked by Joshua
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Antacid neutralizes stomach acid by the following reaction:Mg(OH)2 + 2HCl -----> MgCl2 + 2H2O Calculate the amount of Mg(OH)2
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2. asked by Allie
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For the following reaction, 21.7 grams of diphosphorus pentoxide are allowed to react with with 13.1 grams of water.What is the
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2. asked by moose
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Calculate how many grams of iron can be made from 16.5 grams of iron(III) oxide if hydrogen gas is in excess.How many grams of
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2. asked by Ayesha
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Hi, I just need to know if I finally got this exercise right.Calculate the amount of heat in kilojoules released when 50 grams
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2. asked by Joshua
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Calculate the residence time of sodium in millions of years if the total amount of sodium in the oceans is 1.5 x 10 to the 22
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2. asked by Dewayne
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