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Alexus [3.1K]
1 year ago
5

Help me plsnayone here50 pointsfreee ​

Chemistry
2 answers:
tatyana61 [14]1 year ago
8 0

Answer:

what is the question? Because all i see is that theirs answer choices so i guess the answer is A

Explanation:

scoray [572]1 year ago
3 0

8).

(a) Acid Rain is formed due to precipitation of acids (oxides of nitrogen and sulfur dioxide) mixing with the oxygen and water in the clouds. Then they pour on the ground with the rain water leading huge problems like damaging habitat for animals and etc.

(b) Acid rain is formed due to Sulphur dioxide formed by combustion of fuels and nitrogen oxides from hot engines, they dissolve and cause acid rain.

Equation's:

formation of Sulphur dioxide : S + O₂ = SO₂

formation of sulfuric acid : SO₂ + ½O₂ + H₂O = H₂SO₄

(c) Some harmful effects of acid rain are:

   i) Damages tree and plants.

   ii) Kills fish and animals in river.

   iii) Damages buildings and structures.

Additional: Acid rain can be prevented by addition of catalytic converters in car and using slaked lime in factories to neutralize the acidic oxides.

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Answer:

4) 1.5 mol

Explanation:

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6 0
2 years ago
2c8h18(g 25o2(g→16co2(g 18h2o(g how many moles of water are produced in this reaction
AleksandrR [38]
18 moles of water are produced in the above reaction.
Hope this helps you!
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2 years ago
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Question 7 (Essay Worth 5 points)
Lubov Fominskaja [6]

The periodic table of elements is divided into columns and rows. The vertical columns represent the groups while the horizontal rows represent the periods. A group of elements usually have similar physical and chemical properties. The first column of the periodic table is made up of 7 elements including SODIUM.

1. The name of the element chosen is sodium and its chemical symbol is Na.

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5 0
3 years ago
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Jayden says that the dentist can shine a special light on his teeth that will make his teeth become whiter. Can light change Jay
arsen [322]

Answer:

No

Explanation:

This is because light cannot not whiten Jayden's teeth but light can change materials by hearing it up. There are some substances or tooth paste that can be use to whiten the teeth because of the content they are made off which whitens the teeth. Some of it include baking soda, hydrogen peroxide toothpaste, tumeric toothpaste, toothpaste that contain fluoride.

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What element is being reduced in the redox reaction? H2O2+ ClO2- > ClO- + O2
slava [35]

Answer:

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