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olchik [2.2K]
2 years ago
12

Plz answer fasttt

Chemistry
1 answer:
wlad13 [49]2 years ago
5 0

Answer:

I believe the answer would be C4H9O2.

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The isomerization reaction, ch3nc → ch3cn, is first order and the rate constant is equal to 0.46 s-1 at 600 k. what is the conce
Harlamova29_29 [7]
According to this formula :
㏑[A] /[Ao] = - Kt 
when we have Ao = 0.3 m 
and K =0.46 s^-1
t = 20min = 0.2 x 60 =12 s
So by substitution :
㏑[A] / 0.3 = - 0.46 * 12
㏑[A] / 0.3 = - 5.52
by taking e^x for both side of the equation we can get [A]
∴[A] = 0.0012 mol dm^-3
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3 years ago
Convert 59,800 cg/L to g/mL
alexgriva [62]
To convert the given value to the desired one, use the proper unit conversions and dimensional analysis. Use the following conversion for the first set.

    1 g = 100 cg
    1 L = 1000 mL

Using the concept presented above,
         
            V = (59800 cg/L)(1 g/100 cg)1 L/1000 mL)
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3 years ago
Why do plants need sap?
Nadya [2.5K]
Plants don't need sap. They make it like Maple trees.
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Which of the following contains properties of magnesium, Mg?
tekilochka [14]

Answer:

Option B. Malleable, Conductor, High melting point, Lustrous

Explanation:

Mg has a higher melting point because of the strong electrostatic force of attraction between the magnesium ions (Mg^2+). The rest properties listed are all general properties of metals

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When magnesium ribbon is ignited, it gives off a white fume of magnesium oxide. What is this type of reaction?
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