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2 years ago

Which →two← factors decrease as the kinetic energy of the particles in an object decreases?

Chemistry

2 answers:

barxatty [35]2 years ago

5 0

Answer:

a and c

Explanation:

I'm only sure on a but c is the second best so Yea don't completely trust it

Marysya12 [62]2 years ago

4 0

The answer is A and C. I hoped this helped have a great day. :)

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Which intermolecular force would cause the highest boiling point?

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Hydrogen bonds.
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3 years ago

FIRST GETS BRAINLIEST (THE ONE THAT IS CORRECT)

andrew11 [14]

Answer:

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Explanation:

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3 years ago

Which is the best way to turn helium gas into liquid helium?

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3 years ago

Which statement is true? Postively charged objects attract other positively charged objects negatively charged objects attract o

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Answer:

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2 years ago

Assume that a daily diet of 2000 calories (i.e. 8.37 x 106 J) is converted completely to body heat.

slava [35]

Answer:

(a) the mass of the water is 3704 g

(b) the mass of the water is 199, 285.7 g

Explanation:

Given;

Quantity of heat, H= 8.37 x 10⁶ J

Part (a) mass of water (as sweat) need to evaporate to cool that person off

Latent heat of vaporization of water, Lvap. = 2.26 x 10⁶ J/kg

H = m x Lvap.

$m = \frac{H}{L._{vap}} =\frac{8.37 * 10^6.J}{2.26*10^6\ \frac{J}{kg}} = 3.704 \ kg$

mass in gram ⇒ 3.704 kg x 1000g = 3704 g

Part (b) quantity of water raised from 25.0 °C to 35.0 °C by 8.37 x 10⁶ J

specific heat capacity of water, C, 4200 J/kg.°C

H = mcΔθ

where;

Δθ is the change in temperature = 35 - 25 = 10°C

$m =\frac{H}{c* \delta \theta} = \frac{8.37 *10^6}{4200*10} = 199.2857 kg$

mass in gram ⇒ 199.2857 kg x 1000 g = 199285.7 g

5 0

3 years ago