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
pav-90 [236]
3 years ago
6

Hi I need help with these 3 questions asap please and thank you

Chemistry
1 answer:
inn [45]3 years ago
6 0
1 light changes speed as we approach source. 2 in a vacuum 3. In a vacuum
You might be interested in
Blank is radiant energy emitted from the sun.
Bess [88]
None, it’s solar radiation
7 0
3 years ago
Read 2 more answers
What do engineers use to test their designs of new technologies?
erica [24]
The answer Fam is B) Models
4 0
4 years ago
Read 2 more answers
Distinguish between acids and bases by indicating TWO general properties of acids and TWO general properties of bases. Be specif
qaws [65]

Answer:

  1. Acids react with metals to liberate hydrogen and form salt while Bases neutralize acids to form salt and water.
  2. Acids are corrosive in nature while Bases are not
5 0
3 years ago
Which atomic model propose that electrons move in specific orbits around the nucleus of an atom
tamaranim1 [39]

Answer: Bohr's

Explanation:

5 0
3 years ago
Earth’s atmosphere contains the element oxygen in two different forms. The chemical formula for oxygen gas is O2. The chemical f
Fittoniya [83]

Answer:

Ozone is a molecule with three oxygen molecules.It is in the upper atmosphere and it protects living organisms by keeping UV rays from reaching the earth's surface. Ozone (O3) is a triatomic, molecule, consisting of three oxygen atoms. ... O3 is the formula for ozone. It has three oxygen atoms.

Explanation:

My brain

4 0
3 years ago
Other questions:
  • Water difference between glacier and geyser
    11·2 answers
  • Is lead found in diamonds
    12·1 answer
  • If you have earned income, which of the following retirement devices must you contribute to, by law?
    14·1 answer
  • An empty 10-ml volumetric flask weighs 10.267 g. after filling to the mark with distilled water at 20°c, the mass is 20.219 g. w
    13·1 answer
  • Earthquake damage causes two rabbits to be separated from the rest of the rabbits in their large habitat. They have no way to ge
    10·1 answer
  • Balance the following redox equation, identifying the element oxidized and the element reduced. Show all of the work used to sol
    13·1 answer
  • Boron has two naturally-ocurring isotopes. Boron-10 has an abundance of 19.8% and actual mass of 10.013 amu, and boron-11 has an
    10·2 answers
  • Use the conservation of mass to explain why a rusty nail weighs more than the original nail.
    15·1 answer
  • Salt is the product formed by a reaction in which _______ atoms of an acid are replaced by the atoms of a metal.
    15·2 answers
  • Can someone do my homework pls!
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!