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Nastasia [14]
3 years ago
8

which of the following types of stars would be hottest in temperature A main sequence B whitedwarf C red giant D Red supergiant

star​
Chemistry
1 answer:
nalin [4]3 years ago
3 0

Answer:

it's either b or d

Explanation:

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Will ice melt faster with a lot of salt added or little salt added?
STatiana [176]

Answer:

alot

Explanation:

because salt contains stuff

5 0
3 years ago
What happens when an atom forms an ion?
Snowcat [4.5K]

Answer:

An is formed when an atom loses or gains one or more electrons. Because the number of electrons in an ion is different from the number of protons, an ion does have an overall electric charge.

Explanation:

4 0
3 years ago
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What unit is used to measure cell potential?
Lilit [14]

Volt is the unit to measure cell potential.

Explanation:

The cell potential is the measure of potential difference in the two halves of the electrochemical cell.

It is the measure of how much voltage exists between the two halves of the battery. The unit of volt is joule/coulomb. The cell potential is measured by voltmeter.

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3 0
3 years ago
How did energy from inside of the earth cause a boat to end up on top of a building
liraira [26]

The energy built up in the earth could have caused a tectonic plates movement. The movement could have made a tsunami and moved the boat. The impact could have caused the boat to move up to the top of a building.

8 0
3 years ago
Calculate the molarity of 0.300 mol of Na2S in 1.75 L of solution.
kirza4 [7]

Answer:

Molarity[Na2S] = 0.1714

Molarity[Mgs] = 0.5811

Explanation:

Given:

0.300 mol [Na2S in 1.75 L]

31.3 g [MgS in 955 mL]

Find:

Molarity

Computation:

Molarity = Number of mole / volume in liter

Molarity[Na2S] = 0.300 / 1.75

Molarity[Na2S] = 0.1714

Molar mass of Mgs = 56.38 g/mol

Number of mole = 31.3 / 56.38

Number of mole = 0.555

Molarity[Mgs] = Number of mole / volume in liter

Molarity[Mgs] = [0.555 / 955]1000

Molarity[Mgs] = 0.5811

4 0
3 years ago
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