1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IgorC [24]
3 years ago
5

30 POINTS PLEASE HELP (IF YOU GIVE WRONG ANSWER ILL REPORT U ) What type of galaxy is described as revolving around a single poi

nt and has spinning arms of stars which extend from the center? (3 points)
spiral
elliptical
irregular
barred spiral
Chemistry
1 answer:
LenaWriter [7]3 years ago
7 0

Answer:

The type of galaxy that is described as revolving around a single point and has spinning arms of stars which extend from the center is;

Spiral

Explanation:

A spiral galaxy which is the most common type of galaxy is a class of Hubble sequence of galaxies which was described in the 1936 work The Realm of the Nebulae by Edwin Hubble

Spiral galaxies are therefore have a flat disk shape such that the stars, the dusts, and the gas that make up the galaxy cluster in several radially spreading spiral arms that come together in the galaxy center

You might be interested in
Electrons aren’t just smaller than atoms .electrons are part of
Gnom [1K]
Elections are part of a negatively charged particle from an atom
3 0
4 years ago
Is H2O+CO2 = H2CO3 a redox reaction? How?
Dafna1 [17]

Answer:

It is not an oxidation-reduction reaction. The formation of carbon dioxide and water are redox reactions which involve the oxidation of carbon and hydrogen respectively with oxygen being reduced in both the case.

Explanation:

3 0
3 years ago
Researchers can use solvents to extract, or break apart, components of a cell or tissue to separate and/or isolate components. I
Tems11 [23]

The cell membrane which is more fat permeable will be present at the end of the process.

Solvent extraction is a very important method if separating mixtures. The principle of solvent extraction is based on the idea of like dissolves like. A substance dissolves in the component of the system in which it is most soluble.

If a cell extract is dissolved in a nonpolar solvent, the cell membrane which is mostly permeable to nonpolar molecules will dissolve most in the solvent.

Learn more:brainly.com/question/14396802

6 0
3 years ago
14. In the lab, an experimenter mixes 75.0 g of water (initially at 30oC) with 83.8 g of a solid metal (initially at 600oC). At
avanturin [10]

Answer:

Tungsten is used for this experiment

Explanation:

This is a Thermal - equilibrium situation. we can use the equation.

Loss of Heat of the Metal = Gain of Heat by the Water

                      -Q_{m}=+Q_{w}\\

                    Q = mΔTC_{p}

Q = heat

m = mass

ΔT = T₂ - T₁

T₂ = final temperature

T₁ = Initial temperature

Cp = Specific heat capacity

<u>Metal</u>

m = 83.8 g

T₂ = 50⁰C

T₁ = 600⁰C

Cp = x

<u>Water</u>

m = 75 g

T₂ = 50⁰C

T₁ = 30⁰C

Cp = 4.184 j.g⁻¹.⁰c⁻¹

               -Q_{m}=+Q_{w}\\

⇒ - 83.8 x x x (50 - 600) = 75 x 4.184 x (50 - 30)

⇒ x = \frac{6276}{46090} = 0.13 j.g⁻¹.⁰c⁻¹

We know specific heat capacity of Tungsten = 0.134 j.g⁻¹.⁰c⁻¹

So metal Tungsten used in this experiment

8 0
4 years ago
Which of these would DECREASE the solubility of a solid in water?
stepladder [879]

Answer: B) Increasing the air pressure

Explanation:

6 0
3 years ago
Other questions:
  • Identify the type of reaction described in the sentence below. then, write a chemical equation. be sure to specify the states of
    12·1 answer
  • How long have orca whales been on the endangered species list?
    8·1 answer
  • Please HELP, ASAP! Homework due tomorrow and I need some help.
    8·1 answer
  • A beaker holds xliters of 0.2M AlBr3. Give answers to parts a through din terms of x.a) How many moles of aluminum ions are ther
    12·1 answer
  • When NaOH is added to water, the hydroxide concentration increases. What can you conclude about NaOH?
    10·2 answers
  • calculate how many moles of NO2 form when each of the following completely reacts. 2N2O5(g)→4NO2(g)+O2(g) Part A 1.0 mol N2O5 Ex
    9·1 answer
  • Why do people who do a lot of physical work need more carbohydrate? <br>​
    15·1 answer
  • Ionic compounds form ________ from a repeating pattern of ions.
    7·1 answer
  • A sample of sulfur has a mass of 6,614g and a volume of 3.2 mL. What is the density of sulfur?
    10·1 answer
  • Which of the following is a fast change to Earth's surface?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!