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trasher [3.6K]
2 years ago
5

Calculate the average speed between 6 hours and 9 hours

Chemistry
2 answers:
Dominik [7]2 years ago
8 0

Answer:

60 Miles per Hour

Explanation:

You included no scenario so I will develop a hypothetical that you can reference.

Assuming a car traveled a distance of 450 miles from one place to another in 9 hours with the car travelling 180 of those miles between 6 hours and 9 hours, what was the average speed between those 6 and 9 hours.

The car travelled 180 miles in 6hours - 9 hours.  First find out how many hours this is:

= 9 - 6

= 3 hours

Speed = Distance / Time

= 180 / 3 hours

= 60 miles per hour

lyudmila [28]2 years ago
5 0

Answer:

7.5 hours

Explanation:

avarage speed = min speed + max speed ÷ 2

= 6 + 9 ÷ 2

= 15 ÷ 2

= 7.5

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Magnesium hydroxide (Mg(OH)2): g/mol Iron(III) oxide (Fe2O3): g/mol
steposvetlana [31]

Molecular mass of Mg(OH)2

= Atomic mass of Mg + 2(Atomic mass of O) + 2(Atomic mass of H)

= 24 g/mol + 2(16 g/mol) + 2(1 g/mol )

= 58 g/mol

Molecular mass of Fe2O3

= 2(Atomic mass of Fe) + 3(Atomic mass of O)

= 2(56 g/mol) + 3(16 g/mol)

= 160 g/mol

6 0
3 years ago
Read 2 more answers
Determine the pressure change when a volume of gas at 760 mmHg is heated from 30.0 °C to 40.0 °C.
bekas [8.4K]

Answer:

<u>253.33 mmHg</u>

Explanation:

According to Charles' Law,

P₁ / T₁ = P₂ / T₂

P₁T₂ = P₂T₁

P₂ = P₁T₂ / T₁

= 760 x 40 / 30

= 760 x 4/3

= 1013.33 mmHg

Change in Pressure

= 1013.33 - 760

= <u>253.33 mmHg</u>

5 0
2 years ago
Okay, no.. its not funny... who names their child happiness...
Nata [24]

Answer:

people who think that their child would be happy for life

Explanation:

4 0
3 years ago
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Nonmetal halogen family atmoic mass 35
Anettt [7]

chlorine has the atomic mass of 35.5 and is a non metal in the halogen family

5 0
3 years ago
Vitreous humor is located wear?​
Vikentia [17]

Eye

Explanation:

Vitreous humor is found in the human eye and other animals.

It is a gel that fills the space between the lens and retina of the eye. This matter helps to keep the shape of the eye in place by maintaining a constant pressure in the eye.

It is typically made up of water, gelatinous and transparent.

Learn more:

Human eye brainly.com/question/8032392

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#learnwithBrainly

3 0
3 years ago
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