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2 years ago

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1 answer:

Stolb23 [73]2 years ago

6 0

Answer:

Um english please I don’t know Jewish

Explanation:

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A sheet of gold weighing 8.8 g and at a temperature of 10.5°C is placed flat on a sheet of iron weighing 19.5 g and at a tempera

timofeeve [1]

Answer:

$T = 36.393\,^{\textdegree}C$

Explanation:

The contact between the sheet of gold and the sheet of iron allows a heat transfer until thermal equilibrium is done, which means that both sheets have the same temperature:

$-Q_{iron} = Q_{gold}$

$-(0.008\,kg)\cdot (452\,\frac{J}{kg\cdot ^{\textdegree}C} )\cdot (T-54.4\,^{\textdegree}C) = (0.0195\,kg)\cdot (129\,\frac{J}{kg\cdot ^{\textdegree}C} )\cdot (T-10.5\,^{\textdegree}C)$

$-(3.616\,\frac{J}{^{\textdegree}C})\cdot (T-54.4\,^{\textdegree}C) = (2.515\,\frac{J}{^{\textdegree}C})\cdot (T-10.5^{\textdegree}C)$

$-1.438\cdot (T - 54.4^{\textdegree}C) = T-10.5^{\textdegree}C$

$-1.438\cdot T +78.227^{\textdegree}C = T - 10.5^{\textdegree}C$

$2.438\cdot T = 88.727\,^{\textdegree}C$

The final temperature is:

$T = 36.393\,^{\textdegree}C$

8 0

2 years ago

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Describe radiation in a full sentence

Mandarinka [93]

Answer:

Radiation is energy that comes from a source and travels through space at the speed of light.

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2 years ago

begging u to answer Which is not an inter molecular force? Select one: a. Inter atomic bonds b. van der waals forces c. hydrogen

Elenna [48]

Answer:

a-Interatomic bonds

Explanation:

First of all, it is not a force. Let alone be molecular force.

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2 years ago

When a person looks at a bright light, tiny muscles in the eye contract so less light can enter the eye.

bagirrra123 [75]

Answer:

involuntary, attached to the eyeball, nonstriated.

Explanation:

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Arrange the measurements from least to greatest.

NNADVOKAT [17]

1) 1.8 micrograms(least)
2) 1.8 grams
3) 1.8 kilograms(greatest)

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2 years ago