Chemistry, 13.09.2021 22:40 veraanna2015
The big challenge question. Get a calculator. Find the button that says "log" (logarithm)You can work out the pH value of a solution as-1 x (log of the concentration of hydrogen ions)Calculate the pH of a solution which has a hydrogen ion concentration of 0.00794328One or two decimal places will do
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What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
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Rays from the sun are not considered matter true or false
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The big challenge question. Get a calculator. Find the button that says "log" (logarithm)You can wor...
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