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Gennadij [26K]
4 years ago
13

Can somebody help!!!!

Chemistry
1 answer:
MArishka [77]4 years ago
7 0

Answer: The answer has been attached

Explanation:

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a rock weighing 75.0g placed in a graduated cylinder displacing the volume from 31.4 ml to 36.5 ml what is density of the rock i
andrezito [222]
Answer:

<span>ρ≅13.0⋅g⋅m<span>L<span>−1</span></span></span> = <span>13.0⋅g⋅c<span>m<span>−3</span></span></span>

Explanation:

<span>Density=<span>MassPer unit Volume</span></span> = <span><span>75.0⋅g</span><span><span>(36.5−31.4)</span>⋅mL</span></span> <span>=??g⋅m<span>L<span>−1</span></span></span>

Note that <span>1⋅mL</span> = <span>1⋅c<span>m<span>−3</span></span></span>; these are equivalent units of volume; 
i.e. <span>1⋅c<span>m3</span></span> = <span>1×<span><span>(<span>10<span>−2</span></span>⋅m)</span>3</span>=1×<span>10<span>−6</span></span>⋅<span>m3</span>=<span>10<span>−3</span></span>⋅L=1⋅mL</span>.

7 0
4 years ago
If it takes 2000 years to weather 1 cm of limestone, how long will it take to weather 5 cm of limestone?
Anna71 [15]

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If it takes 2000 years to weather 1cm of limestone

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3 0
3 years ago
Question 1
exis [7]

Answer: False

Explanation: adding heat to matter results in thermal energy.

4 0
4 years ago
Explain why Potassium is more reactive than lithium?​
Elis [28]

Explanation:

<em>Potas</em><em>sium</em><em> </em><em>has</em><em> </em><em>an</em><em> </em><em>atomi</em><em>c</em><em> </em><em>radii</em><em> </em><em>that</em><em> </em><em>is</em><em> </em><em>greate</em><em>r</em><em> </em><em>t</em><em>han</em><em> </em><em>t</em><em>hat</em><em> </em><em>of</em><em> </em><em>lithiu</em><em>m</em><em> </em><em>th</em><em>at</em><em> is</em><em> </em><em>why</em><em> </em><em>pot</em><em>assium</em><em> </em><em>is</em><em> </em><em>more</em><em> </em><em>reactiv</em><em>e</em><em> </em><em>than</em><em> </em><em>lithi</em><em>um</em><em>.</em>

<em>tHx</em><em> </em><em>fOr</em><em> pOinTs</em><em>.</em><em>.</em><em>.</em>

6 0
3 years ago
Read 2 more answers
What is the name of this hydrocarbon
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Depending on the strictness of your teacher you can name it as either of the following:
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3 0
4 years ago
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