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
nikdorinn [45]
3 years ago
10

If the Universe was born at the Big Bang, what existed before then?

Chemistry
1 answer:
hodyreva [135]3 years ago
5 0

Explanation:

It's possible that before the Big Bang, the universe was an infinite stretch of an ultrahot, dense material, persisting in a steady state until, for some reason, the Big Bang occured. This extra-dense universe may have been governed by quantum mechanics, the physics of the extremely small scale, Carroll said.

You might be interested in
What is the approximate mass of one mole of zinc?
VikaD [51]
The answer is (a) 30g. Zinc = 30. 1 mole = 30 x 1 = 30g
6 0
3 years ago
Why do some transition metals have multiple oxidation states? Select the correct answer from each drop down menu
Vlad [161]

Answer:

Transition metals can have multiple oxidation states because of their electrons. The transition metals have several electrons with similar energies, so one or all of them can be removed, depending the circumstances. This results in different oxidation states. please mark me as brainellist

4 0
3 years ago
If I added 50 mL of a 1.0 M HCIO2 solution to 50 mL of a 1.0 M NaOH
kozerog [31]

Answer:

pH=7

Explanation:

0.05 L*1.0M= 0.05 mol HClO2  and 0.05 mol NaOH      

HClO2 +     NaOH ---> NaClO2 + H2O

0.05 mol     0.05 mol

As we can see acid and base  react completely,  solution will be neutral, so pH =7

3 0
3 years ago
A wooden plank has a mass of 100kg force of 20 n was used to move it what is its acceleration​
krok68 [10]

Answer:

a= 0.2m/s²

Explanation:

Fnet = ma

20 = 100a (divide both sides by 100)

a = 0.2m/s²

4 0
3 years ago
After the child exhaled all of the gas, it becomes sick
tensa zangetsu [6.8K]
What is your question about it?
5 0
2 years ago
Read 2 more answers
Other questions:
  • According to its nutrition label, orange soda contains 49g of sugar per 355 ml serving. if the density of the beverage is 1.043
    11·1 answer
  • Which radioactive isotope is used in treating cancer?
    5·1 answer
  • Dr. Moore has discovered a new vaccine composed of carbon, hydrogen, and oxygen. When the product was purified and sent off for
    10·2 answers
  • during her science fair project, mary discovered that solutions of ionic compounds in water conduct electricity. What type of in
    10·1 answer
  • What is the ph of an aqueous solution with the hydronium ion concentration?
    14·1 answer
  • Consider the chemical reaction
    15·1 answer
  • Balance the equation by putting the correct number in front of each compound. You can work this out mathematically or by drawing
    13·1 answer
  • Please help me to solve this question​
    12·1 answer
  • PLEASE HELP!!! I REALLY NEED HELP ON THIS TEST!!!<br>​
    5·1 answer
  • The group of elements that make up the smallest percentage of the periodic table are the
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!