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Bess [88]
3 years ago
10

According to Arhennius, which of the following is a base? *

Chemistry
1 answer:
Grace [21]3 years ago
3 0
C is the answer !!!!!!!!!!!!!
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What is the pH if the [H+] concentration is 3 x10^-13​
Shkiper50 [21]

Answer:

pH = 12.52

Explanation:

Given that,

The [H+] concentration is 3\times 10^{-13}.

We need to find its pH.

We know that, the definition of pH is as follows :

pH=-log[H^+]

Put all the values,

pH=-log[3\times 10^{-13}]\\\\pH=12.52

So, the pH is 12.52.

6 0
3 years ago
What molecules can be made using hydrogen, carbon, and nitrogen?​
Yuki888 [10]

Answer:

Ammonia

Explanation:

Ammonia is the simplest possible molecule made with nitrogen and hydrogen. Methane is the simplest possible molecule made of carbon and hydrogen. Methanol is like methane, but it also has one oxygen atom as well.

8 0
3 years ago
Modify the given fatty acid so that it represents the 18‑carbon fatty acid designated 18:2(Δ9,12). Draw any double bonds in the
Mekhanik [1.2K]

Answer:

See explanation

Explanation:

In this case, we have to remember the meaning of the nomenclature "18:2Δ9,12".  Where 18 is the <u>number of carbon atom</u>s, 2 is the <u>number of double bonds,</u> and the numbers successive to Δ "delta" the position of the double bonds <u>starting</u> to count from the carboxylic -COOH end of the molecule.

In other words, the main functional group is a <u>carboxylic acid</u>. We have a total of 18 carbons. Additionally, we have 2 double bonds. On carbons 9 and 12.

Lets see figure 1

I hope it helps!

5 0
3 years ago
Name two different ecosystems.Name one living part of each ecosystem.Name one non living part of each ecosystem.
grin007 [14]
Ecosystems: Coral Reef, Savanah 
Living: In coral reef; clown fish   In Savanah: Emu
Nonliving: In Coral reef: Water   In Savanah: sun
7 0
2 years ago
Read 2 more answers
Yes yes yes yes yes yes
sesenic [268]

Answer:

yes yes yes yes yes

Explanation:

Mega yes

5 0
2 years ago
Read 2 more answers
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