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Lunna [17]
4 years ago
15

The Milky Way is classified as a ______ galaxy.

Chemistry
2 answers:
Alex_Xolod [135]4 years ago
6 0
The Milky Way is a SBc barred spiral galaxy.
Oduvanchick [21]4 years ago
5 0
<h3><u>Answer;</u></h3>

Spiral galaxy

<h3><u>Explanation;</u></h3>
  • Spiral galaxy is among the three major types of galaxies, the others being elliptical galaxy and irregular galaxy.
  • Spiral galaxies are twisted collection of stars and gas with beautiful shapes often made up of hot young stars.They contain a central bulge surrounded by a flat, rotating disk of stars.
  • <em><u>The stars, gas and dust are gathered in spiral arms that spread outward from the galaxy's center</u></em>.<u>The milky way is a spiral galaxy that includes Earth and our solar system .</u>
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A 25.0 g sample of an alloy was heated to 100.0 oC and dropped into a beaker containing 90 grams of water at 25.32 oC. The tempe
elena55 [62]

Answer:

The specific heat of the alloy C_{a} = 0.37 \frac{KJ}{Kg K}

Explanation:

Mass of an alloy m_{a} = 25 gm

Initial temperature T_{a} = 100°c = 373 K

Mass of water m_{w} = 90 gm

Initial temperature of water T_{w} = 25.32 °c = 298.32 K

Final temperature T_{f} = 27.18 °c = 300.18 K

From energy balance equation

Heat lost by alloy = Heat gain by water

m_{a} C_{a}  [T_{a} - T_{f}] = m_{w} C_w (T_{f} -T_{w} )

25 × C_{a} × ( 373 - 300.18 ) = 90 × 4.2 (300.18 - 298.32)

C_{a} = 0.37 \frac{KJ}{Kg K}

This is the specific heat of the alloy.

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