2 years ago

Through what process do all stars produce their energy?

1 answer:

5 0

nuclear fusion

Stars produce their energy through nuclear fusion. For most stars, this process is dominated by a process called the "proton-proton chain," a sequence of events that transforms four hydrogen atoms into one helium atom.

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If the mass of the products of a chemical reaction was 100 g, what was

Rzqust [24]

If the mass of all of the products in a chemical reaction is equal to 100g then the mass of the reactants in that same reaction had to have had a mass of 100g this is due to the law of conservation of matter stating matter cannot be created or destroyed in a chemical reaction.

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3 years ago

An isotope has the same number of______but a different number of____than other atoms of the same element. :)

Andre45 [30]

Answer:

an isotope has the same number of protons but a different number of neutrons than the other atoms of the same element.

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4 years ago

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Explain the sharing of electrons between a water molecule that forms four hydrogen bonds with the other four water molecules

Kazeer [188]

Answer:

The sharing of electrons between a water molecule that forms four hydrogen bonds with the other four water molecules:

Explanation:

The hydrogen bond is a weak electrostatic force of attraction that exists between a covalently bonded H-atom and a highly electronegative atom like N,O or F.

In the case of the water molecule,

the highly electronegative atom is Oxygen and the intermolecular hydrogen bond in water is as shown below:

Thus H-bond is a weak electrostatic attraction formed between H-atom and O-atom in water.