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Andru [333]
3 years ago
10

What is the gram formula mass of Fe(NO3)3

Chemistry
1 answer:
olga55 [171]3 years ago
6 0
242 g/mol...... hope it helps :)
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A gas at 325 k has a volume of 4.0 L. If the gas’s volume changes to 2.0 L at constant pressure, what will be the new temperatur
inessss [21]
4/325 = 2/unknown temperature
unknown temperature= 2/(4/325)=162.5k
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3 years ago
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Explain why chemical equations have to be balanced
vivado [14]
Chemical equations are to be balanced to be able to follow the law of conservation of mass where it says that mass cannot be created or destroyed. Reactions should be that the mass of the reactants is equal to the mass of the products. 
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Question 7 of 10
nirvana33 [79]

Answer:

I think the answer is D. Temperature affects only the rate of reaction.

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3 years ago
What is the charge on an electron? <br><br> -1<br> 0<br> +1<br> -2
Mama L [17]

An electron has a negative charge of one

An neutron has no charge (hence, neutral)

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3 years ago
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2. A sample of gas has a pressure of 195 kPa and a volume of 3.50 L. If the pressure
zhannawk [14.2K]

Answer:

<h2>4.55 L</h2>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we're finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

We have

V_2 =  \frac{195000 \times 3.5}{150000}  =  \frac{682500}{150000}  \\  = 4.55

We have the final answer as

<h3>4.55 L</h3>

Hope this helps you

7 0
3 years ago
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