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WARRIOR [948]
3 years ago
15

What is an Richter scale. ( IN your own words)

Chemistry
1 answer:
Pepsi [2]3 years ago
5 0

Answer:

a richter scale measures the magnitude of an earthquake so in my own words i would say the richter scale measures the size of an earthquake and letting us kniw how big it will be to prepare for it.

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Sodium bicarbonate is the chemical name for baking powder. Its chemical formula is NaHCO3. What does the subscript 3 mean?
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The solid dissolves quickly is a chemical or physical reaction
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Calculate the mass of butane needed to produce 71.9 g of carbon dioxide.
Naily [24]

<u>1) balanced chemical equation</u>

2\ C_{4}H_{10}_{(g)}\ +\ 13\ O_{2}_{(g)}\ ->\ 10\ H_{2}O_{(g)}\ +\ 8\ CO_{2}_{(g)}

<u>2) convert mass of CO₂ to moles</u>

=71.9g\ CO_{2}\ x\ \frac{1\ mol\ CO_{2}}{44.01g\ CO_{2}} \\\\=1.633719609

<u>3) multiply by molar ratio</u>

<u />

<u />=1.633719609\ mol\ CO_{2}\ x\ \frac{2\ mol\ C_{4}H_{10}}{8\ mol\ CO_{2}}\\\\=0.4084299023

4) convert moles of C₄H₁₀ to mass

=0.4084299023\ mol\ C_{4}H_{10}\ x\ \frac{58.14g\ C_{4}H_{10}}{1\ mol\ C_{4}H_{10}}\\\\=23.74611452

= 23.7 grams of C₄H₁₀ is needed to produce 71.9 grams of CO₂

7 0
2 years ago
Ill give brainlists
Ronch [10]

I think B would be the right answer, because knowing the feedback of results of the insecticide would give you more knowledge on which one would be less dangerous for animals and children.

3 0
3 years ago
Help please giving brainliest!
Alenkinab [10]
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Temperature and volume are directly related.

The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure. :)
4 0
2 years ago
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