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2 years ago

Which of these is a form of a chemical weathering

1 answer:

8 0

Chemical weathering is caused by rain water reacting with the mineral grains in rocks to form new minerals (clays) and soluble salts. These reactions occur particularly when the water is slightly acidic.

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A gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder?

erik [133]

The answer is C.) 9.03 * 10^24

5 0

3 years ago

What makes elements in a group similar to one another and how would this affect their properties?

adell [148]

Elements in the same group have similar reactivities. For example, elements in group 1 are highly reactive, since they can all take in 7 electrons. Hope I helped!

6 0

2 years ago

PLEASE MATCH AND LABEL THEM A TO E ILL CASHAPP YOU MONEY.

Aloiza [94]

41) c

42) e

43) b

44) d

45) a

7 0

2 years ago

Write the net ionic equation for ammonium carbonate and lead(II) nitrate are combined. (Use the solubility rules provided in the

sashaice [31]

<u>Answer:</u> The net ionic equation is written below.

<u>Explanation:</u>

Net ionic equation of any reaction does not include any spectator ions.

Spectator ions are defined as the ions which does not get involved in a chemical equation. They are found on both the sides of the chemical reaction when it is present in ionic form.

The chemical equation for the reaction of ammonium carbonate and lead (II) nitrate is given as:

$(NH_4)_2CO_3(aq.)+Pb(NO_3)_2(aq.)\rightarrow 2NH_4NO_3(aq.)+PbCO_3(s)$

Ionic form of the above equation follows:

$2NH_4^{+}(aq.)+CO_3^{2-}(aq.)+Pb^{2+}(aq.)+2NO_3^{-}(aq.)\rightarrow PbCO_3(s)+2NH_4^+(aq.)+2NO_3^-(aq.)$

As, ammonium and nitrate ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

$Pb^{2+}(aq.)+CO_3^{2-}(aq.)\rightarrow PbCO_3(s)$

Hence, the net ionic equation is written above.

8 0

2 years ago

Which option is an example of something that can promote sustainable development?

storchak [24]

Having a large yard is an example of something that can promote sustainable development.

<h3>What is sustainable development ?</h3>

Sustainable development is an organizing principle for meeting human development goals while also sustaining the ability of natural systems to provide the natural resources and ecosystem services on which the economy and society depend.

A yard is an open place with fencing around it, with grasses and small shrubs. Having a large yard will not only meet the requirement of the human beings but also be in favor of environment as there will be no construction over that area.

To know more about sustainable development here

brainly.com/question/341749

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7 0

1 year ago

Read 2 more answers