3 years ago

Based on current information, cosmologists expect the universe to _____.

1 answer:

8 0

They expect the Universe to continue expanding. Right now, the evidence is that the expansion is speeding up. They also expect entropy to continue increasing, so in the distant future, there will not be any free energy left to support life, for example.

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Use this oxidation-reduction reaction to answer questions about half-reactions:

Advocard [28]

Answer:

N, O, R

Explanation:

Thanks for answering bro, you saved me

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2 years ago

In a liquid, the energy required to increase the surface of the area by a unit amount is called :a.dipole-dipole force. b.viscos

Sedaia [141]

Answer:

D. Surface tension.

Explanation:

Surface tension is defined as the energy required to increase the surface area of a liquid by a unit amount.

The surface tension of a liquid results from an imbalance of intermolecular attractive forces, the cohesive forces between molecules:

A molecule in a liquid experiences cohesive forces with other molecules in all directions while molecules at the surface of a liquid experiences only net inward cohesive forces.

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3 years ago

Hiii please help me to balance the chemical equation:

Fed [463]

Answer:

2Na + 2H2O = 2NaOH + H2

Explanation:

hope this helps

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3 years ago

Predict the formula for a compound made from X3 and Y3–.

PolarNik [594]

Well, a compound has a total charge of 0. So, it's electrically neutral. Since the X is 3+ and the Y is 3- they add to 0. Meaning no subscripts are necessary. Why don't you try a different combo?

Like:

A^3 and B^1-, to get a 3- charge you need 3xB^1- so the formula is AB3

Does this help?

3 0

3 years ago

Read 2 more answers

Is mud a heterogeneous or homogeneous mixture?

Lemur [1.5K]

Answer:

Heterogenous

Explanation:

Mud is a mixture of water and soil

8 0

3 years ago

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