Chemistry, 14.06.2020 01:57 monkeys450
In the lab, 50 G of water is cooled from 50 C to 20 C. Student a reported that the heat change of a loss of 30 C. Student be said that he (Q) what is the loss of 40 KJ. Which student was right and why
Answers: 2
Chemistry, 22.06.2019 06:30
The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide
Answers: 3
Chemistry, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
Answers: 1
Chemistry, 22.06.2019 15:20
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
Chemistry, 22.06.2019 17:30
What type of organic molecule comprises the majority of a potato?
Answers: 1
In the lab, 50 G of water is cooled from 50 C to 20 C. Student a reported that the heat change of a...
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