Chemistry, 11.01.2021 20:50 brewerroserb
A student conducted an experiment to determine how the freezing point of water is affected when sugar is added to the water. He used three beakers, each filled with 1 cup of water. He added 3 teaspoons of sugar in the first beaker of water, 1 teaspoon of sugar in the second, and no sugar in the last beaker. He then cooled each beaker of water and recorded the freezing temperatures. 1. What is the control in this experiment? ___2. What is the independent variable?___ 3. What is the dependent variable?___
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Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
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In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
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A student conducted an experiment to determine how the freezing point of water is affected when suga...
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