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puteri [66]
3 years ago
13

Help me please asap ill mark brainlist

Chemistry
2 answers:
photoshop1234 [79]3 years ago
8 0
I’m pretty sure it’s A
antiseptic1488 [7]3 years ago
7 0

Answer:

i think its the first one not 100% on it tho but i know for a fact its NOT c

Explanation:

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Why does the temperature of the water stay the same when it melts and boils?
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3 years ago
is the approximate relation celsius = 1/2 fahrenheit a better approximation at higher or lower temperatures?
kirill115 [55]

Answer : The approximate relation Celsius = 1/2 Fahrenheit is a better approximation at higher temperatures

Explanation :

The formula for Celsius to Fahrenheit conversion is

C = (F-32) \times \frac{5}{9}

At lower temperature the value that needs to be subtracted (32) is large enough as a result the approximation "celsius = 1/2 fahrenheit " does not seem valid.

For example, 50 F is 10°C.

(50 - 32) \times \frac{5}{9} = 10 C

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But at higher temperatures , the value becomes insignificant and also the ratio  5/9 tend to be equal to 0.5.

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