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Trava [24]
2 years ago
7

If you trace back the history of a carbon atom in your little finger through all of cosmic history, where did this atom most lik

ely originate?.
Chemistry
1 answer:
Kamila [148]2 years ago
8 0

Answer:

It was fused from 3 helium nuclei in the core of a red giant star long before the Sun existed

Explanation:

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(8.6 1029) 7.4 X1029)
andrew11 [14]

Answer:

65563.914234

Explanation:

8.61029 x 7.4 x 1029

63.716146 x 1029

multiply

= 65563.914234

3 0
3 years ago
Read 2 more answers
Dichotomous Keys are used to identify organisms based on their observed characteristics. Dichotomous means..
BartSMP [9]

Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification. So I believe your answer would be A.

7 0
3 years ago
The average weather conditions of a region
Verdich [7]

Answer:

A) Climate

Hope this helps !

6 0
3 years ago
When a redox reaction that takes place in an acidic solution involves an oxygen imbalance, oxygen should be balanced by adding _
olya-2409 [2.1K]

Balancing redox reactions:

Oxygen should be balanced by adding H_{2}O  as needed, while hydrogen should be balanced by adding H^{+}.

What is a redox reaction?

Redox reactions, also known as oxidation-reduction reactions, involve the simultaneous oxidation and reduction of two different reactants.

The Half-Equation Method is one technique used to balance redox processes. The equation is divided into two half-equations using this technique: one for oxidation and one for reduction.

By changing the coefficients and adding H_{2}O, H^{+}, and e^{-} in that order, each reaction is brought into equilibrium:

  1. By putting the right number of water (H_{2}O) molecules on the other side of the equation, the oxygen atoms are brought into balance.
  2. By adding H^{+} ions to the opposing side of the equation, one can balance the hydrogen atoms (including those added in step 2 to balance the oxygen atom).
  3. Total the fees for each side. Add enough electrons (e^{-}) to the more positive side to make them equal. (As a general rule, e^{-} and  H^{+}are nearly always on the same side.)
  4. The e^{-} on either side must be made equal; if not, they must be multiplied by the lowest common multiple (LCM) in order to make them equal.
  5. One balanced equation is created by adding the two half-equations and canceling out the electrons. Additionally, common terms should be eliminated.
  6. Now that the equation has been verified, it can be balanced.

Learn more about redox reaction here,

brainly.com/question/20068208

#SPJ4

7 0
2 years ago
Ca(OH)2 - How many Carbon, how many oxygen, and how many hydrogen in this formula? - please explain
aksik [14]

Answer: 1Ca + 2O + 2H

Explanation:

Ca is 1 since there is no subscript

O and H each have 2 because the subscript 2 is outside the parenthesis so you multiply their subscript (1) by 2

3 0
2 years ago
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