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3 years ago

7

Would it ever be possible for the temperature in Celsius to have a greater value than the temperature in Fahrenheit?

1 answer:

Dafna11 [192]3 years ago

8 0

Because Celsius is always (Fahrenheit -32) /1.8 , so its always going to be a smaller number than F. Does that help?

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Write 2,469,100 in Engineering Notation with 3 significant figures.

Gala2k [10]

Answer: $2.47\times 10^{6}$

Explanation:

Engineering notation : It is the representation of expressing the numbers that are too big or too small and are represented in the decimal form times 10 raise to the power. It is similar to the scientific notation but in engineering notation, the powers of ten are always multiples of 3.

The engineering notation written in the form:

$a\times 10^b$

where,

a = the number which is greater than 0 and less than 999

b = an integer multiple of 3

Now converting the given value of 2,469,100 into engineering notation, we get $2.47\times 10^{6}$

Hence, the correct answer is, $2.47\times 10^{6}$

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3 years ago

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The answer is pH+pOH=14

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3 years ago

What kind of molecule is depicted here?

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Methane molecule is depicted here

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likoan [24]

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3 years ago

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A weather balloon is filled with helium that occupies a volume of 500 L at 0.995 atm and 32.0 ℃. After it is released, it rises

Yuki888 [10]

Answer : The volume of the balloon at the new location is, 591.3 L

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

where,

$P_1$ = initial pressure of gas = 0.995 atm

$P_2$ = final pressure of gas = 0.720 atm

$V_1$ = initial volume of gas = 500 L

$V_2$ = final volume of gas = ?

$T_1$ = initial temperature of gas = $32.0^oC=273+32=305K$

$T_2$ = final temperature of gas = $-12^oC=273+(-12)=261K$

Now put all the given values in the above equation, we get:

$\frac{0.995atm\times 500L}{305K}=\frac{0.720atm\times V_2}{261K}$

$V_2=591.3L$

Therefore, the volume of the balloon at the new location is, 591.3 L

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3 years ago