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
g100num [7]
3 years ago
6

Differences between mixtures and elements

Chemistry
1 answer:
EastWind [94]3 years ago
5 0

Mixtures are a group of elements that are mixed together but not chemically combined

Elements are the fundamental materials of which all matter is composed.

Element: A substance that is made up of only one type of atom. Compound: A substance that is made up of more than one type of atom bonded together. Mixture: A combination of two or more elements or compounds which have not reacted to bond together

You might be interested in
Why do solids expand on heating?
sdas [7]

Explanation:

The molecules of solids are shrinked in there normal state . but as a heat energy is produced , the molecules starts curating fast and fast as temperature goes up . since they vibrate , they hit and collide each other breaking the bondings this increases the surface of area of the solid , and molecules consumes that space and they expand .

5 0
3 years ago
Why does nuclear charge increase as you go left to right across a period
MariettaO [177]

 The atomic number increases moving left to right across a period and subsequently so does the effective nuclear charge. Therefore, moving left to right across a period the nucleus has a greater pull on the outer electrons and the atomic radii decreases.

7 0
2 years ago
A) Compute the repeat unit molecular weight of polystyrene. B) Compute the number-average molecular weight for a polystyrene for
Andrej [43]

Answer:

Explanation:

In Polystrene, the molecular formula for the repeat unit = C_8H_8;

and the atomic weights of Carbon C = 12.01 g/mol

For Hydrogen, it is 1.01 g/mol

Hence, the repeat unit molecular weight is:

m = 8 (12.01 g/mol)+8(1.01 g/mol)

m = 96.08 g/mol + 8.08 g/mol

m = 104.16 g/mol

The degree of polymerization = no-average molecular weight/repeat unit molecular weight.

Mathematically;

DP = \dfrac{\overline M_n}{m}

\overline M_n= DP \times m

\overline M_n= 25000 \times 104.16 \ g/mol

\overline M_n= 2604000  \ g/mol

7 0
2 years ago
PLEASE HELP! DUE IN 5 MINUTES! ( 10 points )
max2010maxim [7]

Answer:

C

Explanation:

3 0
3 years ago
Read 2 more answers
How many grams of drug powder would you need to weigh to prepare 32ml of a suspension that should have a strength of 20mg/ml?
butalik [34]
15 grams for the drug powder
8 0
2 years ago
Read 2 more answers
Other questions:
  • When doing a recrystallization what observations would prompt you to perform a hot filtration?
    6·2 answers
  • Anyone know what the answer is??
    7·1 answer
  • Which feature indicates that Mars resides in the inner region of the solar system?
    10·1 answer
  • In an endothermic reaction, heat is absorbed from the surroundings. How does this affect entropy?
    5·2 answers
  • The atomic radius of main group elements generally increases down a group because
    8·1 answer
  • What are two major differences in the composition of the inner and outer planets?
    13·1 answer
  • Which of the following is the name of a metal?
    12·1 answer
  • The size of an anion
    6·1 answer
  • 18.07 Lab Acid Neutralization 1
    15·1 answer
  • Earth is currently 150 million km away from the Sun. If Earth was 200 million km away from the Sun, why would it no longer be ab
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!