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Zolol [24]
2 years ago
8

Which is the central element for all living things? carbon hydrogen oxygen nitrogen

Biology
1 answer:
wlad13 [49]2 years ago
5 0

Answer:

What is carbon

Explanation:

The Chemical Basis for Life. Carbon is the most important element to living things because it can form many different kinds of bonds and form essential compounds.

Carbon is the only element that makes up every living thing.

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Part C
IrinaVladis [17]

Answer:

                     (i) 1 moles of C

                     (ii) 4.5 moles of C

Explanation:

                   The Chemical equation is as follow,

                                             A + 2 B  →  C

This chemical equation can be translated as;

(i) 1 mole of A reacts with 2 moles of B

(ii) 1 mole of A produces 1 mole of C

(iii) 2 moles of B reacts with 1 mole of A

(iv) 2 moles of B produces 1 mole of C

(v) 1 mole of C is produced by 1 mole of A and 2 moles of B

Therefore to find the number of moles of C produced by 2 mole of B we will do following proportional method.

As,

                        2 moles of B produced  =  1 mole of C

So,

                    2 moles of B will produce  =  X moles of C

Solving for X,

                      X =  2 moles × 1 mole / 2 moles

                      X =  1 moles of C

Note:

         In above problem the given moles were the same as that present in balance equation so incase if the moles are different from that of the equation then the method shown above can be used to solve it.

Lets try it for 9 moles of B:

As,

                        2 moles of B produced  =  1 mole of C

So,

                    9 moles of B will produce  =  X moles of C

Solving for X,

                      X =  9 moles × 1 mole / 2 moles

                      X =  4.5 moles of C

5 0
3 years ago
What are 3 nonpolar molecules used in everyday life?
Tresset [83]
Three nonpolar molecules that are used in everyday live are carbon dioxide (CO2), methane (CH4), and ethylene (C2H4).

Ethylene is used to make plastic and ripen fruits and methane is used to produce electricity and power garbage trucks. Besides its usage in the crucial processes of photosynthesis and cell respiration that keep us alive, carbon dioxide is important in refrigeration and is also found in fire extinguishers.

Hope this helps!
3 0
4 years ago
In which type of ecological relationship does each participant benefit the other organism? A. competition B. mutualism C. commen
Vinvika [58]
Mutualism is the way two organisms of different species exist in a relationship in which each individual benefits. B. I hoped I helped(:
3 0
3 years ago
Read 2 more answers
A trait that occurs in 900 individuals out of a total of 1,800 individuals occurs with a probability of
Vlada [557]

Answer: 25

Explanation: I hope this helps you out <3

A trait that occurs in 450 individuals out of a total of 1,800 individuals occurs with a probability of  25.

5 0
3 years ago
The heart is a muscular organ that pumps blood. Blood that contains waste materials is brought to the heart by blood vessels. Th
Lelu [443]

1. right atrium

2. aortic valve

im not sure if that is the answer

thats what i got


6 0
3 years ago
Read 2 more answers
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