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maw [93]
3 years ago
6

Grady is doing an experiment about the solubility of sugar. He puts 100 milliliters of water in each of three beakers. He leaves

the
first beaker at room temperature, heats the second beaker to 60°C, and heats the third beaker until the water boils at 100°C.
To the first beaker, he adds sugar, one spoonful at a time, until not all of the sugar can dissolve when he stirs it. He records the
number spoonfuls that dissolved. Then he repeats the same process of adding sugar and stirring for the beakers of hot water and
boiling water.
What variable does Grady change on purpose in the investigation?
A. the volume of water in each beaker
B. the amount of sugar added to each beaker
c. the size of each of the beakers
D. the temperature of the water in each beaker
Biology
1 answer:
anyanavicka [17]3 years ago
8 0

Answer:

<u>D. the temperature of the water in each beaker </u>



Explanation:

Variables within an experiment many be altered in order to produce specific outcomes such as a reaction rate. The reaction rate is a measure of how fast a chemical reaction can happen. The increase in temperature increases the collision of molecules, such as the solid sugar solute and and the water molecules, which act as a solvent. Agitation, such as stirring, also increases the solubility by increasing collisions.

This continues until the solution becomes too saturated.

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3 0
2 years ago
When the motion energy of an object changes, there is inevitably some other change in energy at the same time. If
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2. The kinetic energy wouldn't exactly be lost to friction or air resistance, it's merely being converted into potential energy when the ball is slowing down due to those factors.

3. The ball returning to its natural resting state is correct since according to Newton's 1st Law in which an object that is at rest or is moving will not change unless there is another force acting upon it. in this case, the ball was kicked and there are other forces acting upon it like friction and air resistance, those factors cause the ball to slow down. Eventually the ball will stop and return to its original resting state.

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I think it'd be better to do it before you grill it cause while its on the grill it'll soak up all the seasonings and make it better tasting then it would if you would have salted it afterwards
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