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Lunna [17]
3 years ago
15

The Milky Way is classified as a ______ galaxy.

Chemistry
2 answers:
Alex_Xolod [135]3 years ago
6 0
The Milky Way is a SBc barred spiral galaxy.
Oduvanchick [21]3 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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• 1) The pressure of a sample of gas in a 2.00-L container is 876 mmHg.
kifflom [539]

Answer:

4380 mmHg

Explanation:

Boyle's Law can be used to explain the relationship between pressure and volume of an ideal gas. The pressure is inversely related to volume, so if volume decrease the pressure will increase. It can be expressed in the equation as:

P1V1=P2V2

In this question, the first condition is 2L volume and 876 mmHg pressure. Then the system changed into the second condition where the volume is 400ml and the pressure is unknown. The pressure will be:

P1V1= P2V2

876 mmHg * 2L = P2 * 400ml /(1000ml/L)

P2= 876 mmHg * 2L / 0.4L

P2= 4380 mmHg

5 0
3 years ago
What is the only thing held constant in a combined gas law problem?
vodomira [7]

Only the amount of gas is held constant.

3 0
3 years ago
Which of the following scientists made an important contribution to quantum mechanics: (i) Bohr (ii) deBroglie (iii) Heisenberg
grandymaker [24]

Answer:

(i) Bohr; (ii) de Broglie; (iii) Heisenberg (v) Schrödinger

Explanation:

(i) Niels Bohr — 1913 — proposed that electrons travel in fixed orbits with <em>quantized energy levels</em> and that they jump from one energy level to another by absorbing or emitting quanta of light.

(ii) <em>Louis de Broglie</em> — 1924 — proposed the wave nature of electrons and suggested that all matter behaves as both waves and particles (<em>wave-particle duality</em>).

(iii) Werner Heisenberg — 1927 — formulated quantum mechanics in terms of matrices and proposed his famous <em>uncertainty principle</em>.

(v) Erwin Schrödinger — 1926 — applied wave mechanics to the electron in a hydrogen atom, showing that electrons exist in <em>orbitals </em>rather that orbits.

(iv) <em>Ernest Rutherford</em> — 1911 — proposed that atoms have most of their mass in a central nucleus (<em>nuclear atom</em>). Quantum mechanics had not yet been invented.

4 0
3 years ago
Butanoic acid + 2 propanol
Anuta_ua [19.1K]

Answer:

Butanoic acid and 2-propanol reacts to form isopropyl butyrate.

Explanation:

brainliest plz

4 0
2 years ago
A student combines 34 grams of one chemical and an unknown amount of another chemical in a closed system. A chemical reaction oc
Stells [14]
Answer:

82 grams

Step by step:

116-34=82
6 0
3 years ago
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