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4 years ago

The term used to describe the quantity of matter that a body possesses is

Physics

2 answers:

navik [9.2K]4 years ago

8 0

The term used to describe the quantity of matter that a body possesses is mass.

vichka [17]4 years ago

3 0

The body mass index.

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In an insulated container, 0.50 kg of water at 80°C is mixed with 0.050 kg of ice at −5.0°C. After a while, all the ice melts, l

Phoenix [80]

Explanation:

When ice tends to absorb heat energy then it will change into liquid state. Now, change in the temperature of cold water $dT = T_{f} - 0^{o}C$ = $T_{f}$

Change in the temperature of original water in the container $dT' = 80 -T_{f
}$

Latent heat of melting of ice L = 80 cal/g

Specific heat of water C = 1 cal/g C

Heat absorbed by ice to melt = mass( $m_{i}$ ) x latent heat(L)

Heat absorbed by water = mass( $m_{w}$ ) x specific heat(C) x change in temperature (dT')

$m_{i}$ = 0.050 kg = 50 g and $m_{w}$ = 0.50 kg = 500 g

Now, heat lost by water is as follows.

heat lost by hot water( at $80^{o}C$ ) = heat absorbed by the ice + heat absorbed by cold water

$m_{i} \times L + m_{i} \times C dT = m_{w} \times C dT'$

$50 \times 80 + 50 \times 1 \times (T_{f}) = 500 \times 1 \times (80 - T_{f})$

So, we will cancel out 50 from each term given above. Hence,

$80 + T_{f} = 800 - 10T_{f}$

$11 T_{f}$ = 720

$T_{f} = 65.45^{o}C$

Thus, we can conclude that final temperature of the water is $65.45^{o}C$ .

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3 years ago

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We have a radioactive isotope called RI which has a half-life of 12 million years. A geologist has used radiometric dating and d

dedylja [7]

Answer:

Explanation:

half life, T = 12 million years

total life, t = 36 million years

Let n be the number of half lives.

n = Total life / half life

n = 36 / 12 = 3

So, the number of half lives are 3.

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Doss [256]

Answer:shorter higher

Explanation:Compare to visible light, the wavelength of X-rays is shorter and then frequency is higher

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A taxi starts from Monument Circle and travels 5 kilometers to the east for 5 minutes. Then it travels 10 kilometers to the sout

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If youre looking for speed the equation would be distance/time

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High school and collage students answers only. <br> Are all compounds molecules? Why or why not?

Shkiper50 [21]

All compounds are molecules but not all molecules are compounds. A molecule is two atoms joined together. A compound is two different atoms joined together.

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