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Zina [86]
3 years ago
11

Please help! I will make you brainliest!!!

Chemistry
1 answer:
ikadub [295]3 years ago
6 0

Answer:

Explanation:

um use brainly

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What is the best answer to report for ?
IrinaK [193]

The best answer to report  is 2.900 g/ml (answer A)

explanation

The best answer to  report   must be in four significant figures. 2.900 g/ml is therefore the best answer to report since in is in four significant. zeros placed after other digits but behind a decimal point are significant figures.,theerfore 2.900 has four significant figures

8 0
3 years ago
How is nitrogen converted in the nitrogen cycle
castortr0y [4]

Answer:

nitrogen fixing bacteria

Explanation:

These bacteria made the nitrogen suitable for plant use.

5 0
3 years ago
Need helpppppp hurry pls, i just really need help
mojhsa [17]

Answer:

6.8 mole of O₂

Explanation:

Given expression:

       2H₂   +   O₂   →   2H₂O

Number of moles of H₂ = 13.6moles

Unknown:

Number of moles of O₂  = ?

Solution:

In the given problem, we are to find the number of moles of oxygen gas that will use up 13.6mole of hydrogen gas;

 From the reaction equation;

             2 mole of H₂ will completely react with 1 mole of O₂

         13.6 moles of H₂ will completely be used up by \frac{13.6}{2} mole of  O₂

                                                                                        = 6.8 mole of O₂

7 0
3 years ago
Is hot tea homogeneous or heterogeneous?
OleMash [197]
<span>homogeneous  because particles are mixed uniformly</span>
6 0
3 years ago
Does anyone know what the formula would be for Rhenium V Biphosphate?
Georgia [21]

Answer:Re3(PO4)2 I think I'm wrong

Explanation:

8 0
2 years ago
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