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2 years ago

Why does the sun appear to be the brightest star in the sky?

Chemistry

2 answers:

bonufazy [111]2 years ago

6 0

Answer:

C. it's relative distance to earth is closer than the other stars

Sav [38]2 years ago

6 0

I think it’s c cause The sun is a medium size star that appears larger and brighter than other stars because it is closer to us.

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When circumstances are right, most materials undergo a process called thermal expansion. Which statement best describes the caus

harina [27]

Answer: Matter is heated, and its particles spread out more

Explanation:

Thermal expansion occurs when there's an expansion of an object or material or when an object becomes bigger because of a rise in its temperature. This brings about the faster movement of the heated molecules and the atoms spreading out.

Therefore, the cause and effect of thermal expansion will be that when matter is heated, and its particles spread out more.

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3 years ago

I need help with these

nikklg [1K]

2. Rubidium
3. Antimony
4. Ytterbium
5. Einsteinium

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2 years ago

When combined in the correct ratio hydrogen and oxygen atoms can form water as shown below

Dimas [21]

Answer:molecule of a compound

Explanation:

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3 years ago

Which term refers to the speed at which reactants are converted into products?

shutvik [7]

Answer:

activation energy hope this is right

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3 years ago

Methanol can be synthesized by combining carbon monoxide and hydrogen. CO(g) 2H2(g) CH3OH(g) . A reaction vessel contains the th

mihalych1998 [28]

Answer:

The answer is C. The partial pressure of hydrogen will be unchanged.

Explanation:

$CO_{(g)} + 2H_{2(g)}$ ⇒ $CH_{3}OH$

Argon with electronic configuration $1s^{2}$ $2s^{2}$ $2p^{6}$ $3s^{2}$ $3p^{6}$ (that is atomic number 18) is an inert gas making it unreactive and it's addition to the reaction has no effect on the partial pressure of either the reactant or production or the state of the system.

The partial pressure of hydrogen will remain unchanged on the addition of Argon.

6 0

3 years ago