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
lisov135 [29]
3 years ago
15

Explain how temperature and mass affect the appearance of stars

Chemistry
1 answer:
Nesterboy [21]3 years ago
8 0

Answer:

If the star has smaller mass than the Sun, it can fuse hydrogen into helium for at least a trillion years. The larger a star, the shorter its life because it fuses hydrogen into helium much more quickly. A star whose mass is more than 20 Suns will run out of hydrogen in only a few hundred million years.

You might be interested in
Gravitational attraction exists between all objects in the universe. Which word, if any, should replace "all" in this statement
o-na [289]

Answer:

any two

Explanation:

Gravitation force or gravitational attraction is a force of pulling or attraction that exist  between any two bodies that have a mass. Each and every body attract each other with the force of gravity due to their masses.

Every object in this universe having mass and distance attracts every other object.

7 0
3 years ago
Describe the two methods of active transport.
artcher [175]
Cars and bike yesyesyesyesyeyseyeyeyeyey
7 0
3 years ago
Read 2 more answers
Identify the Lewis acid and Lewis base from among the reactants in each of the following equations.
Alex

Answer:

Part A

Ag+ is the Lewis acid and NH3 is the Lewis base.

Part B

AlBr3 is the Lewis acid and NH3 is the Lewis base.

Part C

AlCl3 is the Lewis acid and Cl− is the Lewis base.

Explanation:

A Lewis acid is any specie that accepts a lone pair of electrons. Ag^+, AlBr3 and AlCl3 all accepted lone pairs of electrons according to the three chemical reaction equations shown. Hence, they are Lewis acids.

A Lewis base donates a lone pair of electrons. They include neutral molecules having lone pair of electrons such as NH3 or negative ions such as Cl- .

3 0
3 years ago
PLEASE HELP!<br><br> Count the total number of atoms in H 2 O:<br><br> 2<br> 3<br> 4<br> 5<br> 6
Darya [45]
3
two hydrogen and 1 oxygen
8 0
3 years ago
Read 2 more answers
The pictures showed an organ system in the human body
LenaWriter [7]
The answer is D okay
4 0
3 years ago
Other questions:
  • The reaction of ethyl acetate with sodium hydroxide, ch3cooc2h5(aq)+naoh(aq)⇌ch3coona(aq)+c2h5oh(aq) is first order in ch3cooc2h
    5·2 answers
  • How would temperature changes in the atmosphere enough to melt Antarctic Ice affect the hydrosphere lithosphere and biosphere
    5·2 answers
  • Which statement is true? A molecule having a covalent bond can be ionic. A molecule having a covalent bond is always polar. A mo
    8·2 answers
  • What will be the volume of a gas sample at 337 K if its volume at 237 K is 12.0 L? Round your answer to 1 digit after the decima
    14·1 answer
  • Name the most active earthquake zone.<br> Whe
    14·2 answers
  • After water What is the most important materials in cells
    6·2 answers
  • I need help, idk how to do PV=nRT
    10·1 answer
  • ILL GIVE BRAINLIEST I NEED THE ANSWER RIGHT AWAY PLEASE SOMEONE
    7·1 answer
  • Hello people ~
    8·1 answer
  • 7. The tendency of sound waves to bend when they pass from one medium to a different medium is known as A. refraction C. resonan
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!