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Soloha48 [4]
3 years ago
10

In the Polyacrylamide and Agarose Gels lab, when working with your protein or DNA sample you must wear:

Chemistry
2 answers:
Phantasy [73]3 years ago
7 0
It’s a.all of these your welcome
blagie [28]3 years ago
6 0
It’s a. All of these, you’re welcome
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At 150°C the decomposition of acetaldehyde CH3CHO to methane is a first order reaction. If the
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The decomposition time : 7.69 min ≈ 7.7 min

<h3>Further explanation</h3>

Given

rate constant : 0.029/min

a concentration of  0.050 mol L  to a concentration of 0.040 mol L

Required

the decomposition time

Solution

The reaction rate (v) shows the change in the concentration of the substance (changes in addition to concentrations for reaction products or changes in concentration reduction for reactants) per unit time

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Input the value :

ln(0.040)=-(0.029)t+ln(0.050)

-3.219 = -0.029t -2.996

-0.223 =-0.029t

t=7.69 minutes

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