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Alja [10]
3 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]3 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]3 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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When a planet has the illusion of moving backwards or bouncing up and down it is exhibiting what?
Goryan [66]

Answer:  It is exhibiting retrogade motion.

7 0
3 years ago
A sample of magnesium is burned in oxygen to form magnesium oxide. What mass of oxygen is consumed if 74.62 g magnesium oxide is
lana [24]
74.62 g of magnesium oxide is formed from 45.00 g magnesium so 74.62-45.00= 29.62 g of oxygen is consumed or in other words a new compound is formed in the burning of magnesium in oxygen with a heavier mass than the pure magnesium.
3 0
3 years ago
A 20 g granite boulder absorbs 300.2 Joules of energy from the Sun, resulting in its temperature
s344n2d4d5 [400]

Answer:

19 °C

Explanation:

Step 1: Given and required data

  • Mass of granite (m): 20 g
  • Heat absorbed (Q): 300. 2 J
  • Specific heat capacity of granite (c): 0.790 J/g.°C

Step 2: Calculate the temperature change (ΔT)

We will use the following expression.

Q = c × m × ΔT

ΔT = Q/c × m

ΔT = 300.2 J/(0.790 J/g.°C) × 20 g = 19 °C

3 0
3 years ago
Having been heated to 800 K , at some point the tank starts to leak. By the time the leak is repaired, the tank contains only ha
Liula [17]

Answer: The temperature of the gas reduced to 400K.

Explanation:

Stated that ; The pressure remains the same, that is initial and final pressure equals 1atm.

Applying Charles Law

V1/T1 = V2/T2

Initial volume V1 = 1

Final volume V2 = 1/2 (halved)

Initial temperature T1 =800K

Final temperature T2 = ?

(1/800) = (1/2)/T2

T2 = 800/2

T= 400K

Therefore, when the volume is halved, the temperature reduced also to half ( 400K)

3 0
3 years ago
In photosynthesis-
In-s [12.5K]

Answer:

A.

Explanation:

7 0
3 years ago
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