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jarptica [38.1K]
2 years ago
9

10. Sound is characterized in how many ways? A. 5 B. 3 C. 4 D. None of the above

Chemistry
2 answers:
Elodia [21]2 years ago
8 0

Answer:

A . 5...................

BigorU [14]2 years ago
8 0
The answer is 5 have a great day!!
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Some water released 7800 J of energy when cooled from 78°C to 33°C. What was the mass of the water?
Karo-lina-s [1.5K]

Answer:

-41. 47

Explanation:

m = q / Cp x T

m = Mass

q = Energy (or joules)

Cp = Heat Capacity

T = Change in Temperature

Water's heat capacity is always 4.18.

This is the formula you'll need for change in temperature:

Final - Initial

So, 33 - 78 = -45

m = 7800 / 4.18 x -45

= -41.47

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1. Social disconnection- One negative effect of video games is that it brings about social disconnection. Video games are typically addictive and this leads to the individual playing the game gradually disconnecting from the social life. Such people tends to play games rather than having conversations with their friends or family members.

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The positive effect of video games are:

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stich3 [128]

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3 years ago
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wel

Answer:

Explanation:

NaCl does not contain molecules

7 0
2 years ago
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