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Elodia [21]
3 years ago
10

A student prepares a mixture of sugar and coffee. The sugar seems to disappear as it mixes with the coffee.

Chemistry
2 answers:
agasfer [191]3 years ago
5 0
Homogeneus because sugar and coffee are both different things
butalik [34]3 years ago
4 0

Answer:homogeneous

Explanation:

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Complete the sentence. ______________ is thought to be most responsible for the salinity of the oceans.
Anettt [7]
The best and most correct answer among the choices provided by your question is the fourth choice or letter D. Natural run-off from mountain ranges <span>is thought to be most responsible for the salinity of the oceans.

</span>After years and years of river inflow and evaporation, the salt<span> content of the lake water built up to the present levels. The same process made the seas </span>salty<span>. Rivers carry dissolved salts to the </span>ocean<span>. Water evaporates from the </span>oceans<span> to fall again as rain and to feed the rivers, but the salts remain in the </span>ocean<span>.</span>
5 0
3 years ago
1. How much energy must be absorbed to break the bonds of the 2 molecules of HCl?
IRISSAK [1]

Bond energy refers to the energy that must be taken in to break a bond. It is also the energy required to form the bond.

<h3>What is Bond energy?</h3>

The term bond energy refers to the energy that must be taken in to break a bond. It is also the energy required to form the bond.

The energy that must be supplied to break the bonds in two molecules of HCl is 862 J. The energy released is obtained from; 862J - [436 +262] = 164J.

The total energy of the reaction is 164J, this is called the enthalpy change. Based on this value of the total energy, the reaction is endothermic. Hence, it is true that; "It takes more energy to break the two H–Cl bonds than is released when forming the H–H and Cl–Cl bonds."

Learn more about bond energy:brainly.com/question/16754172?

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6 0
3 years ago
10. What is the function of mitochondria?<br>​
alex41 [277]

Mitochondria is the site of ATP synthesis in eukaryotic cell during aerobic respiration. It regulates the biochemical processes of the cell and helps in generation of co enzymes as sulphur and iron.

Explanation:

Mitochondria is a cell membrane bound organelles present in cytoplasm of eukaryotic cells.

The major roles of mitochondria in eukaryotic cell is to synthesize ATP by cellular respiration. It also regulates the metabolism or biochemical processes of the cell.

Mitochondria also aids in generating the iron and sulphur which acts as a coenzyme in several biochemical reactions.

The electron transport chain takes place in inner mitochondrial membrane.

There are 2 aerobic phases of cellular respiration those are Kreb's cycle and electron transport chain. The machinery for Kreb's Cycle is in matrix. The ETC is present as embedded in the inner membrane of matrix.

The cellular compartment of mitochondria performs following functions:

The space in intermembrane has electron transport chain and holds ATP synthase (enzyme required for

The cristae is a finger like projection which increases surface area for increase ATP synthesis.

In matrix of the mitochondria the Electron transport takes place.

In Kreb's cycle mitochondria aids in production of NADH and GTP. Also, synthesis of phospholipid takes place in mitochondria.

5 0
4 years ago
If you can have a anime super power what would it be ​
nydimaria [60]

Answer:

time travel swordman magic

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3 years ago
How much money will it cost to drive a school bus 94.00 miles if it gets 6.500 miles per gallon and gas costs $2.459/gallon?​
bagirrra123 [75]

Answer:

It will cost $35.5602

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$2.459 /6.5 (mpg) = 0.3783 (cents per mile)

$0.3783 (cost per mile) * 94 (total miles) = $35.5602 total

6 0
2 years ago
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