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3 years ago

Which method of heat transfer takes place when particular of matter vibrate and collide with each other in direct contact?

2 answers:

6 0

<h2>Answer:</h2><h2>CONDUCTION</h2><h2>step by step:</h2><h2> Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules.</h2>

Luden [163]3 years ago

5 0

Conduction - by touch
Convection - hot air rises, cold air sinks
Insulation - to insulate or capture heat
Radiation - by waves
Direct contact means touch, therefore the answer would be conduction.

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Besides being slow to reproduce, what else could make a population susceptible to being endangered?

olga_2 [115]

Answer:

Not being able to adapt to their surroundings

Explanation:

For example, a population living in a cold climate and wears little to no clothes will give them frost bite. And so the nature of needing to adapt is core to survival.

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3 years ago

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3 years ago

Atoms and the chemical bonds that connect them cannot be observed with your eyes, so it is necessary to use a

Lera25 [3.4K]

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Explanation:

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2 years ago

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Andrew noticed that the plastic in his chair didnt feel as cold as the metal legs. What statement best explains this observation

qaws [65]

Answer:

Explanation:

Hi! :) You didn't post the statements, but the answer should be something about conduction. Hope this helps!

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3 years ago

Which choice gives the correct oxidation numbers for all three elements in rb2so3 in the order that the elements are shown in th

vlabodo [156]

<h3>Answer:</h3>

Rb = + 1

S = + 4

O = - 2

<h3>Explanation:</h3>

Oxidation states of the elements were calculated keeping in mind the basic rules of assigning oxidation states which included assignment of +1 charge to first group elements i.e. Rubidium (Rb) and assignment of -2 charge to Oxygen atom. Then the oxidation state of Sulfur was calculated as follow,

Rb₂ + S + O₃ = 0

Above zero (0) means that the overall molecule is neutral.

Putting values of Rb and O,

(+1)₂ + S + (-2)₃ = 0

(+2) + S + (-6) = 0

+2 + S - 6 = 0

S - 6 = -2

S = -2 + 6

S = + 4

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3 years ago