2 years ago

Cómo afecta la estructura molecular del nitrato de plata

Chemistry

1 answer:

erik [133]2 years ago

4 0

Answer:

I don't understand

Explanation:

merry Christmas

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3(x - 2) = 5(x + 4)<br><br>

Tcecarenko [31]

Answer:

Uh first of all this is algebra but I'll answer this

First distribute the three and 5 (Multiply them by both terms inside parenthesis.

3x-6=5x+20

Then add like terms

8x=14

Divide 8 by 8 and 8 by 14

x = 14/8

Explanation:

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3 years ago

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A 20.0 g piece of a metal is heated and place into a calorimeter containing 250.0 g of water initially at 25.0 oC. The final tem

BartSMP [9]

Answer:

$Q_{metal} = -6799\,J$

Explanation:

By the First Law of Thermodynamics, the piece of metal and water reaches thermal equilibrium when water receives heat from the piece of metal. Then:

$Q_{metal} = - Q_{w}$

$Q_{metal} = m_{w} \cdot c_{p,w}\cdot (T_{1}-T_{2})$

$Q_{metal} = (250\,g)\cdot \left(4.184\,\frac{J}{g\cdot ^{\textdegree}C} \right)\cdot (25\,^{\textdegree}C - 31.5\,^{\textdegree}C)$

$Q_{metal} = -6799\,J$

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3 years ago

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Many scientist compare the parts of a cell to the parts of a factory. Do you think this comparison is fair and useful?

Fittoniya [83]

Yes. Parts of a cell work together just like stations in a factory.

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3 years ago

BRANILEST IF RIGHT <br><br> WAVE A OR B

Serhud [2]

I think it’s A but I’m not sure.

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3 years ago

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Which element would you expect to have properties similar to Chlorine (Cl)

jeyben [28]

Answer:

Iodine

Explanation:

It's in the same group as chlorine.

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3 years ago