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Sati [7]
3 years ago
10

if an iron nail is placed in a glass of water the nail will sink. Is the density of iron smaller than or larger than the density

of water ? explain
Chemistry
1 answer:
Gala2k [10]3 years ago
5 0
It has  more density when it sinks because the water pushes away thats why people float they are less dense 
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Cylinder of air at 1.5 atm of pressure is kept at room temperature while a piston compresses the air from 40 l down to 10 ml. wh
djyliett [7]

The new pressure, P₂ is 6000 atm.

<h3>Calculation:</h3>

Given,

P₁ = 1.5 atm

V₁ = 40 L = 40,000 mL

V₂ = 10 mL

To calculate,

P₂ =?

Boyle's law is applied here.

According to Boyle's law, at constant temperature, a gas's volume changes inversely with applied pressure.

                                        PV = constant

Therefore,

P₁V₁ = P₂V₂

Put the above values in the equation,

1.5 × 40,000 = P₂ × 10

P₂  = 1.5 × 4000

P₂  = 6000 atm

Therefore, the new pressure, P₂ is 6000 atm.

Learn more about Boyle's law here:

brainly.com/question/23715689

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8 0
2 years ago
How much more powerful is a magnitude 8 earthquake than a magnitude 4 earthquake? A. 4 times B.100 times C.1000 times D.10000 ti
Ede4ka [16]

Answer:

C) 1,000

Explanation:

The answer is 1,000

7 0
3 years ago
Metals present in municipal wastewater may still be present in treated sewage sludge; ______
Marrrta [24]
Metals present in municipal waste water may still be present in treated sewage sludge IN CONCENTRATIONS THAT MAY AFFECT THE PUBLIC HEALTH. Sewage sludge is an end product of municipal waste water treatment and it contains many of the pollutant that are removed from the waste water. 
5 0
3 years ago
A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.
kvasek [131]

Answer:

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Explanation:

From the question given above,

the student is trying to convert 0.010 m/s to a number in cm/s.

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Therefore,

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0.010 m/s = 1 cm/s

Therefore, 0.010 m/s is equivalent to 1 cm/s

8 0
3 years ago
Percent yield refers to the relationship between the predicted amount of product
dsp73
True because it actually formed I know
5 0
3 years ago
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