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rusak2 [61]
2 years ago
5

3. Which is the minimum amount of energy required to start a chemical reaction?

Chemistry
2 answers:
jekas [21]2 years ago
3 0
B. Chemical energy to start a chemical reaction
Vedmedyk [2.9K]2 years ago
3 0
C. activation energy is the minimum amount of energy required to start a chemical reaction. all chemical reactions need a certain amount of activation energy to get started.
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20 POINTS Given the number of protons, neutrons and electrons, find the mass and name of an isotope.
Dimas [21]

Answer:

Lithium

Pro.=3

Neu. =4

Elec.= 3

Mass = 6.941

Explanation:

3 0
3 years ago
In lab, a dialysis bag was filled with a 10% sucrose solution and placed in an unlabeled beaker filled with clear liquid. The di
DaniilM [7]

Answer:

Of lower concentration or less concentrated

Explanation:

Osmosis is the movement of solvent from a region of lower concentration of solute to a region of higher concentration of solute through a semipermeable membrane in order to equalize the concentration of the solutions on both sides.

Since the membrane of the bag is semipermeable, then the fact that the bag in the beaker decreased in size, lost volume, and became flaccid indicates that the solution in the bag is of lower solute concentration than the solution in the beaker hence the movement of water molecules into the beaker by osmosis.

5 0
2 years ago
Explain why thinner containers are more effective for measuring the volume of liquids than shorter or wide containers?
Dmitry_Shevchenko [17]

Answer:THINNER contains more effective for measurin

Explanation:

4 0
2 years ago
Read 2 more answers
Which of the following would have the highest terminal fall velocity?
dezoksy [38]
The correct option is SILT.
Terminal velocity refers to the constant speed with which an object fall under the force of gravity. The smaller the weight of the object, the faster will be the rate of falling of the objects. From the options given above, it is silt that has the smallest particle size and the right texture to achieve the highest terminal velocity.<span />
8 0
2 years ago
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Pls help asap
S_A_V [24]

Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.

these are the definitions so hope it helps you:

<u><em>carbon cycle</em></u><em> - Pathways through which carbon is recycled through the biosphere. </em>

<u><em>cellular respiration</em></u><em> - Process of breaking down glucose to obtain energy in the form of ATP. </em>

<u><em>photosynthesis</em></u><em> - Process by which specific organisms (including all plants) use the sun's energy to make their own food from carbon dioxide and water; process that converts the energy of the sun, or solar energy, into carbohydrates, a type of chemical energy. </em>


8 0
2 years ago
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