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Charra [1.4K]
3 years ago
9

Muscles convert chemical energy into

Chemistry
1 answer:
Elenna [48]3 years ago
6 0

Answer:

The answer here would be C, mechanical energy.

Explanation:

Muscles convert chemical energy into mechanical energy. Mechanical energy is associated with the motion and position of an object, and the muscles use the energy to move.

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You are given two aqueous solutions with different ionic solutes (Solution A and Solution B). What if you are told that Solution
klio [65]

Answer:

Yes, it is possible. Let us consider an example of two solutions, that is, solution A having 20 percent mass RbCl (rubidium chloride) and solution B is having 15 percent by mass NaCl or sodium chloride.  

It is found that solution A is having more concentration in comparison to solution B in terms of mass percent. The formula for mass percent is,  

% by mass = mass of solute/mass of solution * 100

Now the formula for molality is,  

Molality = weight of solute/molecular weight of solute * 1000/ weight of solvent in grams

Now molality of solution A is,  

m = 20/121 * 1000/80 (molecular weight of RbCl is 121 grams per mole)

m = 2.07

Now the molality of solution B is,  

m = 15/58.5 * 1000/85

m = 3.02

Therefore, in terms of molality, the solution B is having greater concentration (3.02) in comparison to solution A (2.07).

5 0
3 years ago
If the students were told that one of the materials was titanium and that titanium is still a solid when heated to 1,000°C, whic
Paladinen [302]

The sample having solid substance is considered as titanium.

<h3>Which sample was titanium?</h3>

That sample is considered as Titanium which is still present as a solid substance because all the other samples turns into liquid state due to high temperature.

While on the other hand, the sample which contains titanium has a solid particles and still solid on high temperature so we can conclude that the sample having solid substance is considered as titanium.

Learn more about titanium here: brainly.com/question/11496905

5 0
2 years ago
Determine the hydrogen ion concentration of solution B. [1]
bazaltina [42]
The hydrogen Ion concentration of solution  B is 
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You can see that this will be proportional to the amount of B's PH compared to A's

hope this helps
8 0
3 years ago
Define duplet and octet??​
Bogdan [553]
Answer:
duplet-A set of two things or people
Octet-A group of 8 things or people
5 0
3 years ago
Which carbon skeleton represents an ether?<br><br> (gradpoint)
sineoko [7]

The present carbon skeleton in an ether is  C-C-C-O-C-C-C because ethers conatins C-O-C as functional group

7 0
3 years ago
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