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Mila [183]
3 years ago
9

PLEASE HELP NEED AN ANSWER ASAP!!!!

Chemistry
1 answer:
Tcecarenko [31]3 years ago
8 0
Green because it went though the catalytic reaction, as i can see on the 2 graphs
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5)
Kryger [21]

The empirical formula : C₁₂H₄F₇

The molecular formula : C₂₄H₈F₁₄

<h3>Further explanation</h3>

mol C (MW=12 g/mol)

\tt \dfrac{18.24}{12}=1.52

mol H(MW=1 g/mol) :

\tt \dfrac{0.51}{1}=0.51

mol F(MW=19 g/mol)

\tt \dfrac{16.91}{19}=0.89

mol ratio of C : H : O =1.52 : 0.51 : 0.89=3 : 1 : 1.75=12 : 4 : 7

Empirical formula : C₁₂H₄F₇

(Empirical formula)n=molecular formula

( C₁₂H₄F₇)n=562 g/mol

(12.12+4.1+7.19)n=562

(281)n=562⇒ n =2

Molecular formula : C₂₄H₈F₁₄

6 0
3 years ago
If the initial concentration of a is 0.00540 m, what will be the concentration after 795 s?
zavuch27 [327]
<span>Feb 19, 2014 - The units of k tell you that this is a second order reaction. So, to solve this, you need to use the integrated rate law for a 2nd order reaction: 1/[A] = kt + 1/[A]o 1/[A] = 0.540/Ms (835 s) + 1/0.00640 1/[A] = 607 [A] = 1.65X10^-3 M.</span><span>
</span>
7 0
3 years ago
A compound has a molar mass of 90. grams per mole and the empirical formula CH2O. What is the molecular formula of this compound
Elanso [62]
The molecular formula of this compound is C3H603 XD
8 0
3 years ago
At what temperature does water become a gas?
uranmaximum [27]
The answers is d. 100o c
3 0
3 years ago
Read 2 more answers
Is buoyancy a physical or chemical property?
gizmo_the_mogwai [7]
Buoyancy is considered a physical property. It is a type of physical property because it is related to the density and weight of the item, which are both physical.
7 0
3 years ago
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