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dmitriy555 [2]
3 years ago
8

4. Describe the water conditions in the latitudes where coral reefs are found. Help

Chemistry
1 answer:
Fofino [41]3 years ago
3 0

Answer:

  • Most coral reefs lie between the latitudes of 30 degrees north and south where sea temperatures are warmest.
  • it is generally present in tropical and semi-tropical waters.
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Please Help!!!! Which of the following equations follows the Law of Conversation of Mass
Vladimir [108]
Option C. is correct

Calculate no. of each element on the reactant side and no. of elements on products side; If no. of elements in reactant = product,
then the reaction follows Law Conservation of Mass.
5 0
3 years ago
What is the partial pressure of oxygen in a gas mixture that is 40% oxygen, 40% argon, and 20% helim?
Scrat [10]
The answer is 400 mm Hg. 

Hope this helps! 
4 0
3 years ago
Write the merits and demerits of Mendeleev periodic table in points and explain each of them in short​
elena-14-01-66 [18.8K]

Answer:

merits of mendeleev periodic table are:

  1. it was first scientific and systamatic study of different element.
  2. there were may gaps for in discovered elements.After their discovery the got their proper place in table.
  3. with the help of mendeleev periodic table , properties of several elements were studied correctly.

demerits of mendeleev periodic table

  1. it could not arrange hydrogen as it shows the property of both alkali and halogens.
  2. it could not arrange isotopes because they have different atomic weight but same atomic number.
  3. it could not arrange Lanthanides and Actinides.

hope these points helped you

need more points then comment it .

6 0
2 years ago
Write the reaction from the word equation and then balence the equation
Mars2501 [29]
<h3>Answer:</h3>

Ni + Pb(NO₃)₂ → Ni(NO₃)₃ + Pb

<h3>Explanation:</h3>

We are required to write a balanced equation from the word equation;

  • Nickel reacts with lead nitrate (II) to produce nickel(III) nitrate and lead
  • The equation will be written by writing the symbols of the reactants and products.

That is;

Ni + Pb(NO₃)₂ → Ni(NO₃)₃ + Pb

We then balance the equation;

  • To balance the equation, we put appropriate coefficients on reactants and products, so that the number of atoms of each element is equal on both sides of the equation.
  • Thus, the balanced equation will be;

2Ni + 3Pb(NO₃)₂ → 2Ni(NO₃)₃ + 3Pb

4 0
2 years ago
What is an atom? A- the smallest particle of an element. B- the negatively charged particle found in a cloud. C- the densely pac
cestrela7 [59]

Answer:

A

Explanation:

it is the most basic unit of matter

5 0
3 years ago
Read 2 more answers
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