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Arturiano [62]
4 years ago
10

Ahmed is trying to write a focused scientific question. "He writes, "Are the tides changing because of the Moon?" How could Ahme

d's question best be rewritten
Chemistry
1 answer:
Sladkaya [172]4 years ago
4 0

"Is the Moon's gravitational force affecting the tides on Earth?"

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Does the temperature of the solvent (water) affect the rate of dissolving?​
gregori [183]
Yes. Heating up the solvent gives the molecules more kinetic energy. The more rapid motion means that the solvent molecules collide with the solute with greater frequency and the collisions occur with more force. Both factors increase the rate at which the solute dissolves.
3 0
3 years ago
The chemical formula for water, h2o, means that each water molecule contains
DanielleElmas [232]
B - two hydrogen atoms and one oxygen atom
6 0
4 years ago
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Can some answer this please?
marysya [2.9K]

Answer:

b

Explanation:

it's b because I just went over that frome my class and got it correct

4 0
3 years ago
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A 52.0 g of Copper (specific heat=0.0923cal/gC) at 25.0C is warmed by the addition of 299 calories of energy. find the final tem
Leto [7]

Answer : The final temperature of the copper is, 87.29^oC

Solution :

Formula used :

Q=m\times c\times \Delta T=m\times c\times (T_{final}-T_{initial})

where,

Q = heat gained  = 299 cal

m = mass of copper = 52 g

c = specific heat of copper = 0.0923cal/g^oC      

\Delta T=\text{Change in temperature} 

T_{final} = final temperature = ?

T_{initial} = initial temperature = 25^oC

Now put all the given values in the above formula, we get the final temperature of copper.

299cal=52g\times 0.0923cal/g^oC\times (T_{final}-25^oC)

T_{final}=87.29^oC

Therefore, the final temperature of the copper is, 87.29^oC

4 0
4 years ago
The Earth's biosphere is consists of
r-ruslan [8.4K]

Answer:

The Earth's bioshere consist of the parts of Earth where life exists. Ecosystems.

Explanation:

5 0
3 years ago
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