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Veronika [31]
2 years ago
6

Greenhouse gases in the atmosphere contribute to

Chemistry
1 answer:
lesantik [10]2 years ago
6 0

Answer:

A.

Explanation:

While solar power does produce carbon dioxide emissions in the manufacturing processes required to produce panels and batteries, it does not produce CO2 while converting solar energy to electrical energy.

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What does a high number on the pH scale say about a solution?
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A is cortect answer dsfa

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The answer to (3.540)x(0.0065)x(401) should have ____.
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B. Two significant figures


Your final answer can only have as many significant figures as the number that has the least amount of significant figures in it, which is (0.0065)
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Geckos and some other animals can climb smooth surfaces. Which of these explanations of this
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The gecko's feet have tiny suction cups on them that stick to the surface.

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Can someone do these? Brainliest included
mixas84 [53]

Answer:

Explanation:

6.         p⁺      e⁻

Ca²⁺    20     18

F⁻          9      10

O²⁻        8      10

Na⁺       11      10

7. Physical properties of matter are properties that can be measured or observed without matter changing to an entirely different substance. These include odor, boiling point, melting point, density, electrical conductivity and heat conductivity.

Separation of mixture:

Chromatography involves solvent separation on a solid medium.

Distillation takes advantage of differences in boiling points.

Evaporation removes a liquid from a solution to leave a solid material.

Filtration separates solids of different sizes.

Funnel partitioning with solvents. Solvent dissolves one component but not the other.

8.Bulk Elements => Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur & Phosphouous

Microminerals are those minerals needed in less than 100 mg quantities. Trace minerals or trace elements are usually needed in microgram quantities. Microminerals include iron, zinc, copper, iodine, fluoride, chromium, cobalt, selenium, manganese, and molybdenum.

Diatomic Molecules => H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂

9. Electron Configurations

    Na: 1s²2s²2p⁶3s¹ => valence = 3s¹

    N:   1s²2s²2p³ => valence = 2s²2p³

    Al:  1s²2s²2p⁶3s²3p¹ => valence = 3s²3p¹

Valence is the highest principle quantum number (or, principle energy level  ~ ring) in the electron configurations.

10.moles of glucose = 450g/180.16 g/mol =2.50 moles

   C₂H₆O₂ = 2(12) + 6(1) + 2(16) = 24 + 6 + 32 = 62 g/mole

7 0
2 years ago
Please help me!! thank you so much!!​
Elis [28]

Answer:

13.75

Explanation:

gets halved every 8 days so halved twice

4 0
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