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Veseljchak [2.6K]
3 years ago
13

The picture below shows an open field with wildflowers.

Chemistry
1 answer:
Ahat [919]3 years ago
5 0

Answer:

no picture you need add it

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Why would a C-O bond have only provide 358 kJ/mol each while C=O provides 799 kJ/mol? Explain in detail.
Alina [70]

Consider the amount of energy needed to brake the bonds.

In c=o there are both a pi-bond and a sigma bond. Therefore it requires a higher energy to brake it. When considering the c-o bond there is only a single sigma bond is needed to be broken. Therefore braking is easier.

When something is easily broken they are having a weak attraction. When they harder to break they are having a stronger attraction.

Here weak attraction is having a lower energy while stronger attraction has higher energy.

Therefore c=o provides a high energy than c-o

7 0
3 years ago
Draw a structural formula of the sr configuration of the compound shown below.
Ksju [112]
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6 0
3 years ago
PLZ HELP I NEED THIS NOW I WILL GIVE BRAINLIEST PLZ HELPPPPIn your own words, describe the process of a physical change.
ryzh [129]

Answer:

Explanation:

Physical changes changes when objects or substances undergo a change that does not change their chemical composition.

3 0
3 years ago
What evidence did Alfred Wagner have to support his idea of continental drift
Novosadov [1.4K]
Alfred Wagner's evidence began at the simplest form that the continents appeared to<em> fit</em> together like pieces to a puzzle. It wasn't only that though. The evidence showed that the same rocks and fossils existed on separate continents - the same continents that if pieced together would be connected. 
8 0
4 years ago
Oxalic acid is a diprotic acid. calculate the percent of oxalic acid (h2c2o4) in a solid given that a 0.7984-g sample of that so
vlada-n [284]
This method of quantitative determination of percent purity is titrimetric reactions. These reactions most commonly involve neutralization reactions between an acid and a base. Then, we look at the neutralization reaction:

H₂C₂O₄ + 2 NaOH ⇒ Na₂C₂O₄ + 2 H₂O

So, we do the stoichiometric calculations. The important data we should know is the molar mass of oxalic acid which is equal to 90 g/mol.

(0.2283 mol/L NaOH * 0.3798 L * 1 mol H₂C₂O₄/ 2mol NaOH * 90 g/mol H₂C₂O₄) ÷ 0.7984 g *100%
= 488%

This is impossible. The purity can't be more than 100%. Looking at our calculations and the balance reaction, all steps were done correctly. So, I think there is some typographical error in the given. The mass of the sample should be 7.984 g. Then, the answer would be 48.87% purity.
5 0
3 years ago
Read 2 more answers
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