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-BARSIC- [3]
4 years ago
8

Identify unit of measure would be most appropriate to measure the distance between two planets in our solar system

Chemistry
1 answer:
Damm [24]4 years ago
3 0
The astronomical unit or also know as AU. Scientists use this because it’s convenient and easier to understand! Hope this helps ;)
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Mass of NaOH = 0.2 <br> Volume of solution 500 ml
Yuliya22 [10]
Density will be mass/volume= 0.2/500 = 0.0004
6 0
3 years ago
Why do scientists look for patterns in the world?
PSYCHO15rus [73]

Answer:

B. Patterns can help explain observations.

Explanation:

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6 0
3 years ago
A student measures a mass of an 8cm3 block of brown sugar to be 19.9G. what is the density of the brown sugar?
Naily [24]

Answer:

<h2>2.49 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{19.9}{8}  \\  = 2.4875

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<h3>2.49 g/cm³</h3>

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ch4aika [34]

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4 0
3 years ago
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Assuming it behaves as an ideal gas, calculate the density of sulfur dioxide, so2, at stp.
Arisa [49]
Hello!

At Standard Pressure and Temperature, an ideal gas has a molar density of  0,04464 mol/L.

So, we need to apply a simple conversion factor to calculate the density of Sulfur Dioxide using the molar mass of Sulfur Dioxide.

\frac{0,04464 mol SO_2}{1 L SO_2}* \frac{64,066 g SO_2}{1 mol SO_2}=2,8599 g/L

So, the Density of Sulfur Dioxide (SO₂) at STP is 2,8599 g/L

Have a nice day!


6 0
3 years ago
Read 2 more answers
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