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Chemistry, 22.06.2019 13:00
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
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Chemistry, 23.06.2019 06:00
Which of the following is a solution a- brewed coffee b-tomato juice c- ranch salad dressing d- muddy water
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Chemistry, 23.06.2019 13:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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Chemistry, 23.06.2019 16:00
Which question comparing two different metals is best answered through science? a. which metal is easier to use? b. which metal is harder to find? c. which metal is less dense? d. which metal is more valuable?
Answers: 2
i just wanted to say is that if yall gonna make chemistry just not in public cause you know corona o...
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