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aleksley [76]
4 years ago
14

Forecasting the weather for a specific area is relatively easy because of all the technology that is available.

Chemistry
2 answers:
Irina18 [472]4 years ago
7 0
The answer is “A” true
AleksAgata [21]4 years ago
4 0

Answer:

A

Explanation:

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Mitochondria are organelles that
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The only thing I remember from high school biology is that the mitochondria is the powerhouse of the cell. They are the energy factory of the cell, meaning that they 3) release energy from nutrients.
3 0
4 years ago
Is the study of the natural world through observation and experimentation.
erica [24]

Answer:

YES

Explanation:

The systematic study of the structure and behavior of the physical and natural world through observation and experiment.

6 0
3 years ago
How many grams of carbon dioxide are produced by complete combustion of 5 grams of c5h10
Lemur [1.5K]

Answer:

15.4 g

Explanation:

The reaction that takes place is:

  • 2C₅H₁₀ + 15O₂ → 10CO₂ + 10H₂O

First we <u>convert 5 grams of C₅H₁₀ into moles</u>, using its <em>molar mass</em>:

  • 5 g ÷ 70 g/mol = 0.07 mol C₅H₁₀

Then we <u>convert C₅H₁₀ moles into CO₂ moles</u>, using the <em>stoichiometric coefficients</em> of the reaction:

  • 0.07 mol C₅H₁₀ * \frac{10molCO_2}{2molC_5H_{10}} = 0.35 mol CO₂

Finally we <u>convert 0.35 moles of CO₂ into grams</u>:

  • 0.35 mol CO₂ * 44 g/mol = 15.4 g

5 0
3 years ago
Calculate the pH of a solution with a [H 3 O + ]=5.6x10 -9 M.
Gre4nikov [31]

Answer:

8.3

Explanation:

pH is the measure of the H+ or H30 (they r the same thing) ions in a solution. it is equal to -log[H+]. [H+]=  Molar concentration of H+ ions.

6 0
4 years ago
Please help. I’m confused on where to even start
wlad13 [49]

Answer:

b

Explanation:

because it freezer in temperature

4 0
2 years ago
Read 2 more answers
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