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8_murik_8 [283]
3 years ago
13

Brain storm 7-10 ways that the water molecules have been either put to good use or violated on planet Earth

Chemistry
1 answer:
makvit [3.9K]3 years ago
5 0

Answer:

Find the list below.

Explanation:

Good Use

1. Manufacture of substances: Virtually all manufactured substances incorporate water during their production.

2. Provision of electricity: Water in dams have been channeled to provide thermal energy.

3. Provision of transportation: Ships, boats, and canoes provide a means of transporting humans and goods to other places using water as a medium.

4. Provision of recreation: Swimming in pools are recreational activities.

5. Cleaning surfaces and the environment: Dust and other debris are removed from our homes and environments with the help of water.

6. Provision of food: The fishes obtained from water bodies serve as a food source.

Bad Use

1. Refuse dumping ground: Most industries and homes channel waste products into water bodies and this can be dangerous to aquatic lives.

2. Channels for oil spillage: Oil spillage is another environmental hazard caused by humans on water bodies.

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A

Explanation:

Clear glass reflects light, but frosted glass absorbs light.

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3 years ago
You leave for school late when you are pulled over by a police officer for speeding. He clocks you at 52 mi/hr . What is your sp
yawa3891 [41]

Answer:

Explanation:

The maximum speed limit in Prince Edward Island

unless otherwise posted is 80 kilometres per hour

(km/h). The basic speed limits are:

• 40 km/h (25 mph) in most municipalities

(municipalities may establish the maximum

speed limit within their boundaries);

• 50 km/h (30 mph) in urban areas;

• 60 km/h (40 mph) in school zones designated as

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• 80 km/h (50 mph) on most provincial highways;

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3 0
4 years ago
When Raymond observes certain natural phenomena, he often forms ideas about their causes and effects. Suppose that Raymond surmi
rodikova [14]

Answer:

true

Explanation:

5 0
3 years ago
Read 2 more answers
The reason it takes so much heat to melt ice or evaporate water is that extra energy is required to break _______ bonds between
mart [117]

It takes so much heat to melt ice or evaporate water because extra energy is required to break the hydrogen bonds between water molecules.

<h3>Hydrogen bond</h3>

Hydrogen bonding is an electrostatic force of attraction between a hydrogen atom found between a pair of other atoms having a high affinity for electrons.

Hydrogen bonds cause water to be exceptionally attracted to each other creating cohesion.

It takes so much heat to melt ice or evaporate water because extra energy is required to break the hydrogen bonds between water molecules.

Find out more on Hydrogen bond at: brainly.com/question/12798212

4 0
2 years ago
Give the percent yield when 28.16 g of CO2 are formed from the reaction of 4.000 moles of C8H18 with 4.000 moles of O2.
ludmilkaskok [199]

Answer:

Percentage yield =  25%

Explanation:

Given data:

Moles of C₈H₁₈ = 4 mol

Moles of O₂ = 4 mol

Actual yield of CO₂ = 28.16 g

Percentage yield = ?

Solution:

Chemical equation:

2C₈H₁₈ + 25 O₂ → 16CO₂ + 18H₂O

Now we will compare the moles of CO₂ with O₂ and C₈H₁₈.

                 C₈H₁₈     :      CO₂

                     2        :       16

                     4        :       16/2×4=32 mol

                  O₂         :      CO₂

                    25        :      16

                     4         :       16/25×4=2.56 mol

Mass of CO₂:

Mass = number of moles× molar mass

Mass = 2.56 mol ×44 g/mol

Mass = 112.64 g

Percentage yield:

Percentage yield = Actual yield /theoretical yield × 100

Percentage yield = 28.16 g / 112.64 g× 100

Percentage yield = 0.25× 100

Percentage yield =  25%

5 0
3 years ago
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