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2 years ago

I'm taking boy bsf applications submit your applications here!

Chemistry

2 answers:

Anestetic [448]2 years ago

6 0

Answer:

I can be your boy bsf : )

Explanation:

im also 15 , chill, takes jokes rlly well(even if it is sarcastic),bit shy sometimes, and I’ll support you all the way

Anton [14]2 years ago

6 0

Answer: Imagine ALMOST being 15, couldn't be me.

Explanation:

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How many atoms are in NH4Cl.

RSB [31]

Answer:

there are 6

Explanation:

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2 years ago

If a substance has a half life of 45 days, how much of the original substance would be left after 90 days?

Fofino [41]

U would subtract 90 minus 45 which equals 45

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3 years ago

5. What is the final "Celsius" temperature if 2.40 L of gas at 30.5 C is cooled until the volume reaches 1.00 L at constant pres

slega [8]

Answer:

Final temperature of the gas = -146.63 °C

Explanation:

At constant pressure, volume and temperature of the gases are related as:

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

Where,

V1 = Initial volume = 1.00 L

V2 = Final volume = 2.40 L

T1 = Initial temperature = 30.5 °C = 30.5 + 273.15 = 303.65 K

Now, substitute the values in the above equation,

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

$\frac{2.40\;L}{303.65}=\frac{1.00\;L}{T_2}$

$T_2=\frac{1.00\times 303.65}{2.40}$

T2 = 126.52 K

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15

T( °C) = T(K) - 273.15

= 126.52 - 273.15 = -146.63 °C

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2 years ago

Which of these is an example of naturally occuring electricity

zvonat [6]

Answer:

One of the most fantastic displays of electricity in nature is lightning. Lightning occurs when large amounts of electrostatic energy builds up in clouds from the energy of storms. When electrically charged regions of clouds discharge their energy, a large flash of electricity can be seen in the sky.

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3 years ago

True or false ?

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