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Volgvan
3 years ago
14

Which one of the following best represents the predicted approximate chemical shift and coupling for the hydrogen(s) indicated w

ith the arrow? a) 5.40 ppm, doublet b) 3.00 ppm, doublet c) 1.00 ppm, multiplet d) 1.00 ppm, doublet
Chemistry
1 answer:
s2008m [1.1K]3 years ago
7 0

Answer:

1.00 ppm, doublet

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Answer:

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What is the free energy change if the ratio of the concentrations of the products to the concentrations of the reactants is 22.3
snow_lady [41]

The free energy change(Gibbs free energy-ΔG)=-8.698 kJ/mol

<h3>Further explanation</h3>

Given

Ratio of the concentrations of the products to the concentrations of the reactants is 22.3

Temperature = 37 C = 310 K

ΔG°=-16.7 kJ/mol

Required

the free energy change

Solution

Ratio of the concentration : equilbrium constant = K = 22.3

We can use Gibbs free energy :

ΔG = ΔG°+ RT ln K

R=8.314 .10⁻³ kJ/mol K

\tt \Delta G=-16.7~kJ/mol+8.314.10^{-3}\times 310\times ln~22.3\\\\\Delta G=-8.698~kJ/mol

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3 years ago
During which change of state would the volume of a substance increase the most?
marin [14]
Your answer is D! Sublimation is a physical process in which solid states is converted to gaseous state. The volume of the substance increases and in this case, the increment in volume is the maximum.
4 0
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What variables are considered when forecasting weather
saveliy_v [14]
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Which statement describes the acid found in vinegar(acetic acid)?
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D. For plato users

(I've had the exact same one)
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