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bezimeni [28]
3 years ago
14

plz help very many points so there better be an answer if u say i just need the points sorry i will report u.

Chemistry
1 answer:
Naily [24]3 years ago
7 0

Answer:

1-C

2-A

3-F

4-B

5-D

6-E

Explanation:

please mark me as brainlist.......

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When does heat naturally move from cooler objects to warmer objects
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<span>Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object. </span>
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4 years ago
You use a balance to find the mass of a folded newspaper. Then you run it through a shredder. Predict its mass after being shred
sashaice [31]
Bello,

I think the answer is A

Hope this helps

~Girlygir101~
7 0
4 years ago
A volume of 25cm3 of a carbonate solution of concentration 0.2mol dm-3 was neutralized by 20 cm3 of acid of concentration 0.5 mo
Galina-37 [17]

Answer: 1 mol of carbonate to 2 mol of acid

Explanation:

To calculate the number of moles for given molarity, we use the equation:

\text{Molarity of the solution}=\frac{\text{Moles of solute}\times 1000}{\text{Volume of solution in ml}}  

a) \text{Moles of carbonate}=\frac{0.2moldm^{-3}\times 25cm^3}{1000}=0.005mol

b) \text{Moles of acid}=\frac{0.5moldm^{-3}\times 20cm^3}{1000}=0.01mol

Thus the mole ratio of carbonate to acid is = \frac{0.005}{0.01}=\frac{1}{2}

7 0
3 years ago
(True or false) The water molecule can be either an acid or a base. Justify.
iren [92.7K]

Answer:

TRUE!!!!

Explanation:

Water can act as both an acid and a base in solution and undergoes autoionization, where it can be both an acid and a base to itself. When mixed with an acid, water accepts hydrogen ions and acts as a base. However, when water is mixed with a base, it donates hydrogen ions and acts like an acid.

Not my words! I hope this helps :)

6 0
3 years ago
Read 2 more answers
In the molecule Br2, how many bonds would be present between the two atoms of Br
Evgesh-ka [11]

Answer:

The correct answer is A) single

Explanation:

In the case of the Bromo atom, it requires 1 electron to complete its octet, therefore it shares 1 electron with the other Bromo atom.

8 0
4 years ago
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