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3 years ago

13

How do geologists monitor volcanoes?

1 answer:

Radda [10]3 years ago

5 0

Answer:

<h2>Scientists use a wide variety of techniques to monitor volcanoes, including seismographic detection of the earthquakes and tremor that almost always precede eruptions, precise measurements of ground deformation that often accompanies the rise of magma, changes in volcanic gas emissions, and changes in gravity.</h2>

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How many molecules are in 4.08 moles of CCL4

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3 years ago

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3 years ago

How many microliters are in 7.4 x 10^-61 centimeters?

schepotkina [342]

Answer:

Microliters = $7.4\times 10^{-58}$

Explanation:

SI unit of volume is liter.

$1 dm^{3}=1 liter$ ..............................(1)

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$1dm^{3} = 1000 cm^{3}$ .................(2)

replacing value of $1 dm^{3}$ from equation (1) in equation (2)

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but

$1 liter = 10^{6} microliters$ ....................(4)

replacing value of 1 liter from equation (3) in equation (4)

$1000 cm^{3} = 10^{6} microliters$

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$1 cm^{3} = \frac{10^{6}}{10^{3}}microliter$

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$7.4\times 10^{-61}\times 1000$

Microliters = $7.4\times 10^{-58}$

8 0

3 years ago