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
Doss [256]
2 years ago
14

How do we exist? What does scientific evidence suggest about the start of the universe?

Chemistry
1 answer:
kotykmax [81]2 years ago
4 0

Answer:

It all started with the big bang.

The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now (and it could still be stretching).

You might be interested in
_____ is a measure of the quantity of matter in an object. Density Volume Mass Pressure
zysi [14]

Answer: Mass

<em>Input:</em> Mass is a measure of the quantity of matter in an object.

Explanation: Mass is the measure of amount of matter in a certain object.

5 0
3 years ago
Read 2 more answers
When 250 ml of water is added to 35 ml of 0.2 M HCl
Paladinen [302]
Assuming that you’re looking for the concentration of water in the solution, then it would be 0.028 M.

You would have to use the formula:
c1v1 = c2v2, where c =concentration and
v = volume

C1 = ?
V1 = 250 mL
C2 = 0.2 M
V2 = 35 mL

C1 x 250 mL = 0.2 M x 35 mL

C1 = (0.2 M x 35 mL) / 250 mL

C1 = 0.028 M of water added to 35mL of 0.2M HCl

Therefore, there is 0.028 M of water added to 35mL of 0.2M HCl
8 0
3 years ago
Read 2 more answers
Which of the following ion is the least and the most hydrated? OH- , Li+, K+, Na+​
vodomira [7]
I don’t know either lol
5 0
2 years ago
In the peptide GLVIW, the C-terminal end is ________.
zheka24 [161]
The peptide given above is made up of the following amino acids: glycine [G], leucine [L], valine [V], isoleucine [I] and tryptophan [W]. These amino acids are joined together by amide bond to form peptide. Peptides usually have two terminals, the N terminal and the C terminal. For GLVIW, the C terminal end amino acid is tryptophan, that is the last amino acid on the peptide chain. The N terminal amino acid is glycine, that is, the first amino acid on the peptide chain.
5 0
2 years ago
What role does the reactivity of the reactants play in determining the rate of a chemical reaction?
Sonja [21]
What are the answer choices??
7 0
3 years ago
Other questions:
  • The chemical properties of an atom are related to the arrangement of what
    12·1 answer
  • 90 POINTSSSS!!!
    8·1 answer
  • How would you determine the number of acidic groups present?
    9·1 answer
  • Explain how you would separate a mixture of water, sand, salt and iron filings into its four component parts.
    9·1 answer
  • Copper metal (Cu) reacts with silver nitrate (AgNO3) in aqueous solution to form Ag and Cu(NO3)2. An excess of AgNO3 is present.
    13·2 answers
  • What wind direction change usually occurs as a cold front moves through an area?
    12·2 answers
  • The rate of chemical changes (how fast they occur) can depend on several factors. What are two factors that can influence the ra
    5·1 answer
  • 4.07 x 10-17<br> (5.6 x 10") (5.8 x 105)
    5·1 answer
  • A double-replacement reaction takes place when aqueous cobalt (III) chloride reacts with aqueous lithium hydroxide. One of the p
    8·1 answer
  • What are the consequences of building a equitable water sanitation
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!