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san4es73 [151]
3 years ago
10

1. Prepare a solution of impure NaHCO, by weighing 1 Og of the impure salt into a

Chemistry
1 answer:
cricket20 [7]3 years ago
7 0

Answer:

AHHHHHHHHH YOUR GAY I ALSO DONT KNOW THE ANSWER IM IN MIDDLE SCHOOL

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What does the author predict about the future of the Earth's mantle? Do you support his educated guess? Use complete sentences t
valentina_108 [34]

The earth's mantle will not change in the future because this region is safe from the intervention of human beings.

<h3>What happens in the Earth's mantle?</h3>

The transfer of heat and material in the mantle helps us to determine the landscape of Earth. Activity in the mantle moves the plate tectonics, that contributes to volcanoes, seafloor spreading, earthquakes, and building of mountains.

So we can conclude that the earth's mantle will not change in the future because this region is safe from the intervention of human beings.

Learn more about mantle here: brainly.com/question/349072

#SPJ1

5 0
2 years ago
Which material has a greater density, lead or feathers?
algol13

Lead has a higher density


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3 years ago
When you burned copper, the product copper oxide appeared on the wire. Besides copper, the other reactant is oxygen, O2 . Explai
NISA [10]

Copper oxide is the only product, and it contains copper and oxygen.

one of the reactants is copper, so the other reactant must be oxygen.

The copper metal must have combined with something in the air.

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3 years ago
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What is the name for Na20?
Kobotan [32]
It is called disodium oxide :) 
3 0
4 years ago
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Does VENUS have a CRUST and a TILT?
Marrrta [24]

Answer:

Venus has a very small axial tilt -- 3 degrees versus Earth's 23.5 degrees. Its dense, acidic atmosphere produces a runaway greenhouse effect that keeps the surface at around 865 degrees F year-round, which is hot enough to melt lead.When the solar system settled into its current layout about 4.5 billion years ago, Venus formed when gravity pulled swirling gas and dust together to form the second planet from the Sun. Like its fellow terrestrial planets, Venus has a central core, a rocky mantle and a solid crust.

Explanation:

i hope it's help you

7 0
3 years ago
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