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Nat2105 [25]
4 years ago
11

Which indicator would best distinguish between a solution with pH of 7.4 and a solution of 9.2?

Chemistry
1 answer:
I am Lyosha [343]4 years ago
3 0

Answer: Big Chodes

Explanation: Big Choses make walter happy

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Some contaminants enter the water from commercial farming, while other problems are an indirect result of these contaminants. Wh
maks197457 [2]

The indirect result of contaminants from commercial farming is algae.

<h3>What is Contaminant?</h3>

Contaminant is a substance either chemical, physical that is very toxic or harmful to living organisms, when it is released into air, water, soil or food.

Contaminant are poisionus substance that are not deliberately or are deliberately introduced to space . This contaminants make things impure and they are highly poisionus.

Therefore, The indirect result of contaminants from commercial farming is algae.

Learn more about contaminant below.

brainly.com/question/465199

3 0
2 years ago
Propose a mechanism for the following reaction.
raketka [301]
First, recognize that this is an elimination reaction in which hydroxide must leave and a double bond must form in its place. It is likely an E2 reaction. Here is an efficient mechanism:
1) Pre-reaction: Protonate the -OH to make it a good leaving group, water. H2SO4 or any strong H+ donor works. The water is positively charged but still connected to the compound.
2) E2: Use a sterically hindered base, such as tert-butoxide (tButO-) to abstract the hydrogen from the secondary carbon. [You want a sterically hindered base because a strong, non-sterically hindered base could also abstract a hydrogen from one of the two methyl groups on the tertiary carbon, and that leads to unwanted products, which is not efficient]. As the proton of hydrogen is abstracted, water leaves at the same time, creating an intermediate tertiary carbocation, and the 2 electrons in the C-H bond immediately are used to make a double bond towards the partial positive charge.
In the products we see the major product and water, as expected. Even though you have an intermediate, remember that an E2 mechanism technically happens in one step after -OH protonation. 
5 0
3 years ago
The part of an experiment used to compare all the other groups
Westkost [7]
Control/Control Group
3 0
4 years ago
Do you think this is an ethical decision
mrs_skeptik [129]

yes no maybe do you boo

5 0
3 years ago
Determine the empirical formula of a compound that contains 30.45% nitrogen and 69.55% oxygen
melomori [17]

I might not be right but I think the empirical formula is NO2

5 0
3 years ago
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