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Alja [10]
2 years ago
14

Which of the following would you expect to see in the death of a star that is less than 0.5 solar mass

Chemistry
2 answers:
melamori03 [73]2 years ago
8 0

Answer:

The correct answer is option C: white dwarf .

Explanation:

 The white dwarf is a type of compact star that is generated when nuclear fuel with a mass of less than 9.10 solar masses has been used up.

This is a stage, and through this stage all the stars will pass, including the Sun (Remember that the sun is a star). This type of star is one of the most abundant.

Given this information we can say that the correct answer is option C.

Neko [114]2 years ago
5 0

The answer is; C

When such as star begins to exhaust its fuel, it expands into a red giant  because it begins to burn helium rather than hydrogen. When the helium is exhausted and it cannot burn carbon, a planetary nebula is formed when the fuel is exhausted. A white dwarf is left behind as remnants which begins to cool down over millions of years.

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How many grams of silver chloride are produced from 5g of Silver Nitrate reacting with an excess of barium chloride?
monitta
4.22g
1. Work out the equation and balance
2AgNo3 +BaCl2 ---> 2AgCl + Ba(No3)2

2. Work out formula mass of silver nitrate (should = 169.9)

3. Calculate the number of moles by doing moles = mass / formula mass so 5 divided by 169.9 = 0.0294 moles.


4. Check ratio - here the ratio is 2:2 i.e. 2 moles of silver nitrate to 2 moles of silver chloride so the moles will be the same so the moles of silver chloride is also 0.0294

5. Work out the formula mass of AgCl (always ignore big numbers at the start when working out formula mass) = 143.4

6. Work out mass by doing equation moles = mass/formula mass so
mass = moles x formula mass
mass = 0.0294 x 143.4
mass = 4.22g (3sf or 2dp)
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3 years ago
Why does weathering cause erosion
Naily [24]

Answer:Why does weathering cause erosion

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7 0
2 years ago
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To know what the products are in a statement rather than an equation, words such as produced and formed are used.

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3 years ago
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What mass of KCl is required to make a 0.680 m solution with 5.00 kg of water? a) 199 g b) 548 g c) 253 g d) 373 g
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Answer:

it is A.

Explanation:

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