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serg [7]
3 years ago
6

The weight of a medium sized apple is about _____. A) 1N B) 2N C) 1kg D) 2kg​

Chemistry
1 answer:
Readme [11.4K]3 years ago
3 0

Answer:

1n

Explanation:

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How much work (in J) is involved in a chemical reaction if the volume decreases from 4.35 to 1.20 L against a constant pressure
Marianna [84]

Answer:

W = -262 J.

Explanation:

Hello there!

In this case, according to the given information, we can recall the definition of work in terms of constant pressure and variable volume as follows:

W=P(V_2-V_1)

So we plug in the given pressure and volumes to obtain:

W=0.822atm(1.20L-4.35L)\\\\W=-2.60atm*L

Now, we convert this number to J (Pa*m³) by using the shown below conversion factor:

W=-2.60atm*L*\frac{101325Pa}{1atm} *\frac{1m^3}{1000L}\\\\W=-262J

Regards!

3 0
3 years ago
How do countries with different currencies trade goods with each other?
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Answer:

D- They use the exchange rate to convert one's Country's currency to another's

Explanation:

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3 years ago
why the total mass of the products would be less than the total weight of the reactant after a chemical reaction?
Lisa [10]
The best explanation would be that Gases were released during the Chemical reaction, causing a loss of Mass. 
4 0
3 years ago
For the reaction 2 Cr(s) + 3 Pb²⁺(aq) ⟶ 3 Pb(s) + 2 Cr³⁺(aq), what is the value of n in the Nernst equation?
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Answer:

x

Explanation:

xx

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you know the mass of an object and the force applied to the bject to make it move . Which of Newtons laws of motion will help yo
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Answer:

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Explanation:

hope this helps :)

8 0
3 years ago
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