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zmey [24]
3 years ago
13

jalyn ran at speed of 3 m/s then came to a sudden stop during a time period of 3 s. what was his acceleration​

Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
4 0

Answer:

I believe the answer is 1m/s²

Explanation:

acceleration= change in speed ÷ time (I hope this is correct)

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Describe how molecular motion and distance between molecules change as ice is heated to become a liquid and then a gas
MAXImum [283]

Answer:

Described in the explanation section

Explanation:

Ice is the solid phase of water and this phase, the water molecules usually have very little energy and therefore can't detach from each other. This is because the water molecules are closely packed together in a regular arrangement normally called lattice.

Now, when the ice is heated to become a liquid, the energy of the water molecules increases and thus some of them will have enough energy to overcome the intermolecular forces that had been keeping them closely packed in the ice phase. This will then make the water molecules to move further apart thereby forming liquid water.

Now, when the molecules are heated further, the liquid water will now turn into water vapor, which is the gas phase of water. The molecules in this gas phase will have more energy than in the liquid phase because the average distances between each of them will be much larger than the size of the molecules themselves.

8 0
3 years ago
What is the change of a liquid to a solid, 15 letter word, 4th letter is "s".
MrRissso [65]
<span>Crystallization is the answer

</span>
3 0
3 years ago
What information can be learned about atoms of different elements by examining the periodic table
7nadin3 [17]

Answer:

The periodic table tells you the atomic number (which tells you the number of protons and electrons). It also includes the mass number, which is the sum of the protons and neutrons in the nucleus of an atom.

4 0
3 years ago
Concentrated hydrochloric acid is an aqueous solution that is 34.70 % HCl. The density of the solution is 1.19 g/mL. What mass o
mixas84 [53]

The mass of HCl that is contained in the solution is 147 g HCl

Why?

To find the mass of HCl we have to apply what is called a conversion factor. In a conversion factor we put the units we don't want at the bottom, and the ones we want at the top.

For this question, we want to go from liters of solution to mass of HCl, and the conversion factor is laid out as follows:

0.356Lsolution*\frac{1000mL}{1L}*\frac{1.19 g solution}{1 mL solution}*\frac{34.70 g HCl}{100 g solution}=147 g HCl

Have a nice day!

#LearnwithBrainly

3 0
3 years ago
18. The mass of a metal ring is 116 g. You fill a graduated cylinder with 15 mL of
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18 B 19 C and 20 A

cuz that's it I hope it helps you

5 0
3 years ago
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