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atroni [7]
3 years ago
13

A student is trying to dissolve 20 grams of sugar in a beaker containing 250 milliliters of water at room temperature. What can

the student do to make the sugar dissolve faster in the water?
Chemistry
1 answer:
Norma-Jean [14]3 years ago
3 0

Answer:

They can warm up the water. Sugar dissolves much faster in warm/hot water.

A perfect example of this is when you put sugar in your hot coffee/tea -> it will dissolve almost immediately. If you put sugar in cold water, you will have to stir it for quite some time before it dissolves.

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In which of these statements are protons, electrons, and neutrons correctly compared?
Goryan [66]

the second statement is the correct one quarks are needed to balance charges in all subatomic particles such as neutrons, protons and electrons

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What’s the connection between population and limiting factors?
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Answer:

Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Limiting factors can lower birth rates, increase death rates, or lead to emigration.

Explanation:

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A compound is found to contain 7.523% phosphorus and 92.48% iodine by weight. what is the empirical formula for this compound?
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5 0
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Read 2 more answers
Compare and contrast chemical change and physical change
ki77a [65]
Well physical would be if you have Clay and you molded into a new shape or if you put butter on your toes and it melts or water evaporating from the surface of the ocean chemical changes would be milk going sour jewellery tarnishing which means turning into a different color or rust bread putting it in the oven and turning it into toes or rust forming on the nail that is left outside
3 0
3 years ago
Based on the relative energy of the absorbed electromagnetic radiation, which absorber, a peptide bond or an aromatic side chain
alina1380 [7]

Aromatic side chain exhibits an electronic excited state that is closer in energy to the ground state.

  • In order to respond to this query, we must decide whether a peptide bond or an aromatic side chain is demonstrating an electronic exited state that is more closely related to the ground state in terms of energy.
  • When our energy is as low as possible, we are in the ground state.
  • What I want to point out is that if we can choose between the two options—peptide bond or aromatic side chain—without knowing the specific reasons, we can immediately rule out two potential answers.
  • Consider what we already know about energy, we have:

                                 E = h x c/λ

  • That indicates that when we have more energy, a wavelength decreases. Lower energy corresponds to higher wavelength.
  • Aromatic side chains absorb between 250 and 290 nm, while peptide bonds do so between 190 and 250 nm.
  • According to our breakdown, we have an electron excited state that is more closely related to the ground state in terms of energy as wavelength increases.

Thus, Aromatic side chain exhibits an electronic excited state that is closer in energy to the ground state.

To view similar questions about energy, refer to:

brainly.com/question/14483627

#SPJ4

4 0
2 years ago
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