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kow [346]
3 years ago
12

Which examples would be found in Earth's biosphere? Check all that apply.

Chemistry
1 answer:
umka21 [38]3 years ago
8 0
Ponds and gases would not be apart of the biosphere
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If horizontal layers of sedimentary rock have a vertical fault running through them, how might a geologist use relative dating t
Usimov [2.4K]
1. If horizontal layers of sedimentary rock have a vertical fault running through them, then they cab predict where the fault begame by <span>matching up rock layers over distances.
2. Yes, because they it is use to </span><span>determine an age on a specified chronology in archaeology and geology. They can use these data to prove their theories.</span>
7 0
3 years ago
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Which of the following has the highest electronegativity?<br> A. Na <br> B. Li<br> C. C<br> D. Si
koban [17]

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C. C, because it’s the highest of all four and C is 2,5 which is medium but the highest one.

3 0
3 years ago
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A solution is made by dissolving 5.84 grams of NaCl in enough distilled water to give a final volume of 1.00 L. What is the mola
Serga [27]

Answer:

Explanation:

1. A solution is made by dissolving 5.84g of NaCl is enough distilled water to a give a final volume of 1.00L. What is the molarity of the solution? a. 0.100 M b. 1.00 M c. 0.0250 M d. 0.400 M 2. A 0.9% NaCl (w/w) solution in water is a. is made by mixing 0.9 moles of NaCl in a 100 moles of water b. made and has the same final volume as 0.9% solution in ethyl alcohol c. a solution that boils at or above 100°C d. All the above (don't choose this one) 3. In an exergonic process, the system a. gains energy b. loses energy c. either gains or loses energy d. no energy change at all

5 0
3 years ago
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If a substance has a half-life of 55.6 s, and if 230.0 g of the substance are present initially, how many grams will remain afte
Assoli18 [71]

Answer:

m=0.127g

Explanation:

Hello,

In this case, for a first-order reaction, we can firstly compute the rate constant from the given half-life:

k=\frac{ln(2)}{t_{1/2}} =\frac{ln(2)}{55.6s}=0.0125s^{-1}

In such a way, the integrated first-order law, allows us to compute the final mass of the substance once 10.0 minutes (600 seconds) have passed:

m=m_0*exp(-kt)=230.0g*exp(-0.0125s^{-1}*600s)\\\\m=0.127g

Best regards.

6 0
3 years ago
Which are always the first waves of an earthquake to be detected?
frez [133]

Answer:

The first kind of body wave is the P wave or primary wave.

Explanation:

This is the fastest kind of seismic wave, and, consequently, the first to 'arrive' at a seismic station.

6 0
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