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AVprozaik [17]
3 years ago
15

Imagine you could observe the individual atoms that make up a piece of matter and that you observe the motion of the atoms becom

ing more orderly. what can you assume about the system
Chemistry
1 answer:
Evgen [1.6K]3 years ago
8 0
It is cooling down or solidifying. I think.
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What quantity is measured in mol/dm³?
natima [27]
L
M =  \frac{n}{V}  \\ M = \frac{mol}{L}  \\ or \\ M =  \frac{mol}{ {dm}^{3} }
mol/dm³ is measure for molarity
3 0
2 years ago
600 s after initiation of a first order reaction 48.5% of the initial reactant concentration remains present. What is the rate c
Ludmilka [50]

Answer:

k=1.20x10^{-3} s^{-1}

Explanation:

For a first order reaction the rate law is:

v=\frac{-d[A]}{[A]}=k[A]

Integranting both sides of the equation we get:

\int\limits^a_b {\frac{d[A]}{[A]}} \, dx =-k\int\limits^t_0 {} \, dt

where "a" stands for [A] (molar concentration of a given reagent) and "b" is {A]0 (initial molar concentration of a given reagent), "t" is the time in seconds.

From that integral we get the integrated rate law:

ln\frac{[A]}{[A]_{0} } =-kt

[A]=[A]_{0}e^{-kt}

ln[A]=ln[A]_{0} -kt

k=\frac{ln[A]_{0}-ln[A]}{t}

therefore k is

k=\frac{ln1-ln0,485}{600}=1,20x10^{-3}

8 0
3 years ago
Which statement best explains why Earth's outer core is in liquid form?
sweet-ann [11.9K]

Answer:

The Answer is A, The iron-nickel alloy melts due to hot temperatures.

Explanation:

I took the test on edgenuity :) hope this helps.

7 0
3 years ago
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What is the name of CH3CH2CHMgBr(CH3)?​​
andre [41]

Answer:

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4 0
1 year ago
What is percent composition of carbon in c2h6o3
zubka84 [21]

the percentage composition of carbon is 30.77%

5 0
3 years ago
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