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elixir [45]
3 years ago
12

A student has a mixture of salt and iron filings.

Chemistry
1 answer:
eduard3 years ago
7 0

Answer:

aksksks

Explanation:ss

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zxrkkrkrkkrkkrrkr

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A 365 L balloon is blown up inside at 283 K. It is then taken outside in the hot sun and Heated to 300K. What is the new volume?
asambeis [7]

V₁ = initial Volume of the balloon after it is blown up = 365 L

V₂ = new Volume of the balloon after it is taken outside = ?

T₁ = initial temperature of the balloon = 283 K

T₂ = new temperature of the balloon = 300 K

using the equation

V₁/V₂ = T₁/T₂

365/V₂ = 283/300

V₂ = 387 L

6 0
4 years ago
He equilibrium constant (KP) is 0.21 at a particular temperature for the reaction:
lorasvet [3.4K]

Explanation:

We will use the following equation,  

     Q_{p} = \frac{(P^{2}_{NO_{2}}{P_{N_{2}O_{4}}

(a) Now, we will calculate the value of Q_{p} as follows.

          Q_{p} = \frac{(0.225)^{2}}{0.134}

                      = 0.377

As, the K_{p} is 0.21 (which is smaller than the value) this means that equilibrium will shift to the left .

(b)   Q_{p} = \frac{(0.086)^{2}}{0.064}

                  = 0.1155

Here, Q_{p} is smaller than k_{p} which means that the equilibrium will shift to the right.

(c)   Q_{p} = \frac{(0.13)^{2}}{0.142}

                   = 0.119

Here, Q_{p} is smaller than k_{p} which means that the equilibrium will shift to the right .

(d)    Q_{p} = \frac{(0.173)^{2}}{0.142}

                  = 0.21  

Since, here the value of Q_{p} comes out to be equal to the given value. Therefore, this reaction is at equilibrium.

(e)  Q_{p} = \frac{(0.151)^{2}}{0.062}

                  = 0.36

Here, Q_{p} is higher than k_{p} the reaction will shift to the left.

6 0
3 years ago
Mudcracks result from:
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4 years ago
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How many grams are in 3 moles of Nal?
sp2606 [1]

Answer:

449.68272 is the answer

4 0
3 years ago
What is the name of the branched alkane shown below?
lana [24]

Answer:

3-Methyloctane

Explanation:

3 0
3 years ago
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