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seraphim [82]
3 years ago
11

How many moles are there in 1.505 X 1024 molecules of water, H2O?

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
5 0

Answer:

2.5 moles

Explanation:

Nᴀ=6.02×10²³ (constant)

n=N/Nᴀ=

=  \frac{1.505 \times 10 ^{24} }{ {6.02 \times 10}^{23} }  = 2.5 \: moles

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What will most likely happen in the absence of a vacuole?
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2 years ago
the pressure and temperature of 10 liters of gas are doubled. if the original condition are 2 atmosphere of pressure and 400k wh
Harman [31]

Answer:

\boxed{\text{10 L}}

Explanation:

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This looks like a question in which we can use the Combined Gas Law to calculate the volume.

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Data:

\begin{array}{rclrclrcl}p_{1}& =& \text{2 atm}\qquad & V_{1} &= & \text{10 L}\qquad & T_{2}& =& \text{400 K}\\p_{2}& =& \text{4 atm}\qquad & V_{2} &= & \text{?}\qquad & T_{2}& =& \text{800 K}\\\end{array}

Calculation:

\begin{array}{rcl}\dfrac{2 \times 10}{400}& =& \dfrac{4V_{2} }{800}\\\\0.050& = &0.0050V_{2}\\V_{2}& = &\mathbf{10 L}\end{array}\\\text{The final volume is }\boxed{\textbf{10 L}}

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The equation of 5m+4=7m+6 is equal to m=-1
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