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katrin2010 [14]
2 years ago
8

The first plants to grow after a fire are called?

Chemistry
2 answers:
ELEN [110]2 years ago
8 0

Answer:

ephemeral

Explanation:

neonofarm [45]2 years ago
6 0

Answer:

Ephemerals

Explanation:

The first plants to move into the new bare ground after a wildfire are wildflowers or “weeds.” These fast-germinating, leafy herbaceous plants are also known as “forbs” or “ephemerals.” They quickly germinate, grow and produce a new crop of seeds.

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The _________ indicates that 70% of the Sun's radiation is contained on Earth and 30% is reflected back into space.
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3 years ago
Read 2 more answers
Methane burns in the presence of oxygen to form carbon dioxide and water.
wlad13 [49]

Answer:

= 9.28 g CO₂

Explanation:

First write a balanced equation:

CH₄ + 2O₂ -> 2H₂O + CO₂

Convert the information to moles

7.50g CH₄ = 0.46875 mol CH₄

13.5g O₂ = 0.421875 mol O₂

Theoretical molar ratio CH₄:O₂ -> 1:2

Actual ratio is  0.46875 : 0.421875 ≈ 1:1

If all CH₄ is used up, there would need to be more O₂

So O₂ is the limiting reactant and we use this in our equation

Use molar ratio to find moles of CO₂

0.421875 mol O₂ * 1 mol CO₂/2 mol O₂=0.2109375 mol CO₂

Then convert to grams

0.2109375 mol CO₂ = 9.28114 g CO₂

round to 3 sig figs

= 9.28 g CO₂

5 0
3 years ago
What are the 5 evidence of a chemical reaction has occurred and has created a brand substance
Ede4ka [16]
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6 0
3 years ago
Fill in the blanks: Most metals have
victus00 [196]

Answer:

Most metals have <u>luster</u> which means they <u>reflect</u> light

Explanation:

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4 0
3 years ago
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