3 years ago

Describe the evidence for Mercury having a molten iron core

1 answer:

6 0

Scientists used the calculated density to determine that Mercury holds a large metallic core. Radar images taken from Earth revealed that the core is molten liquid, rather than solid. Mercury's core has more iron than any other planet in the solar system.

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a graduated cylinder has 35.0 mL of water in it before an object is dropped inside. the new volume is 38.5 mL. What is the volum

tino4ka555 [31]

Displaced volume:

final volume - initial volume

1 mL = 1 cm³

38.5 mL - 35.0 mL = 3.5 cm³

hope this helps!

4 0

3 years ago

What is the volume of a weather balloon that has 39 grams of helium with a density 0.017 g/mL?

olchik [2.2K]

Answer:

<h3>The answer is 235.29 mL</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

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

From the question.

density = 0.017 g/mL

mass = 4 g

We have

$volume = \frac{4}{0.017} \\ = 235.2941176...$

We have the final answer as

Hope this helps you

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2 years ago

Which element is likely to be the most brittle

Hitman42 [59]

The Selenium is the element that is likely to be the most brittle

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3 years ago

What is the salt that is produced when ammonia (nh3) and hydrochloric acid (hcl) react together?

puteri [66]

NH4CI or ammonium chloride

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3 years ago

The colour change of methyl orange with neutral substance

Arisa [49]

Answer:

Pink

Explanation:

Because at first its orange then neutral its pink

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3 years ago