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Helen [10]
3 years ago
13

Grace wanted to find out the best conditions for growing lettuce plants.

Chemistry
1 answer:
Mariana [72]3 years ago
8 0

Explanation:

the investigation lasts for 7 days !

hope this helps you.

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A covalent compound that shares two pairs of electrons.<br> What is it?
Nitella [24]
The two oxygen atoms share two pairs of electrons, so two covalent bonds hold the oxygen molecule together
3 0
3 years ago
What is the formula for triboron silicide?
artcher [175]

Answer:

B₃Si

Explanation:

Let's take  break it down. From triboron silicide;

Tri - Three

Triboron - Three boron atoms

Silicide - Silicon (with an -ide suffix)

The formular is given as;

B₃Si

7 0
3 years ago
Which of the following is a quemical property ?
saveliy_v [14]
One chemical property would be reactivity of a particular substance.
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If greenhouse gases in the atmosphere act like a blanket around the Earth, how is this "blanket” being changed by human activiti
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It is getting thicker and keeping the Earth warmer.

4 0
2 years ago
Read 2 more answers
Is 2h2 + o2 2h2o a balanced chemical equation?is it obeying the law of conservation of matter
kirza4 [7]

Yes, this is a balanced chemical equation, and it obeys the Law of Conservation of Mass.

A balanced chemical equation obeys the Law of Conservation of Mass if there are the <em>same numbers of each type of atom on each side of the reaction arro</em>w.

2H₂ + O₂ ⟶ 2H₂O

Let’s check the numbers.

<u>Atom</u> <u>On the left</u> <u>On the right</u><u> </u>

  H             4                 4

  O             2                 2

We have the same numbers of H and O atoms on each side of the reaction arrow.

The equation is<em> </em>balanced and it obeys the Law of Conservation of Mass.

5 0
3 years ago
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