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barxatty [35]
3 years ago
7

What is the source of all food energy on Earth?

Chemistry
2 answers:
Nuetrik [128]3 years ago
3 0

Answer:

C : producers

Explanation:

mart [117]3 years ago
3 0
I agree with what the person above said
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Please please help me please!!!?
Vikentia [17]

Answer:

Explanation:

a

6 0
3 years ago
Which molecule is pentanoic acid?<br> ОА.<br> Н<br> 1<br> НЕС-ОН<br> ОВ.<br> Н<br> ОН<br> ор.н.н
kicyunya [14]

Answer:

PubChem CID 7991

Structure Find Similar Structures

Chemical Safety Laboratory Chemical Safety Summary (LCSS) Datasheet

Molecular Formula C5H10O2 or CH3(CH2)3COOH

Synonyms Valeric acid PENTANOIC ACID n-Valeric acid 109-52-4 n-Pentanoic acid More.

4 0
3 years ago
What volume of 1.25 M sodium hydroxide (NaOH) solution can be prepared using 60.0 g of sodium hydroxide? (The mass of one mole o
nataly862011 [7]

Answer:

The answer is

<h2>1.20 L</h2>

Explanation:

Since the concentration , mass and molar mass of NaOH has been given we use the formula

<h3>C =  \frac{m}{M \times v}</h3>

To find the volume

where

C is the concentration

m is the mass

M is the molar mass

v is the volume

Making volume the subject we have

<h3>v =  \frac{m}{C \times M}</h3>

From the question

C = 1.25 M

m = 60 g

M = 40.0 g/mol

Substitute the values into the above formula and solve for the volume

We have

<h3>v =  \frac{60}{1.25 \times 40}  \\ v =  \frac{60}{50}  \\ v =  \frac{6}{5}</h3>

We have the final answer as

<h3>Volume = 1.20 L</h3>

Hope this helps you

8 0
3 years ago
Which occurs at a larger a wavenumber​
pav-90 [236]

Answer:

The C-O stretch of phenol

Explanation:

Electron delocalization causes the of the phenol to have partial double bond character, whereas the  of the cyclohexanol is a pure single bond. Again, we know as the bond order or bond strength increases the absorption occurs at larger wave number. So, the  stretch of the phenol occurs at larger wave number.

8 0
3 years ago
An ion contains 54 electrons after its atom gained 1 electron to form a stable electron
zhuklara [117]

Answer:

Iodine has an atomic number of 53 meaning 53 electrons and it gain 1 electron when reacting with a metal. We know the element is a non metal as is gains an electron

3 0
2 years ago
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