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
Strike441 [17]
3 years ago
8

HELP MEEEE!!!!!!!!!!!

Chemistry
1 answer:
Mekhanik [1.2K]3 years ago
7 0

Answer:

The answer is A

Explanation:

That is the only answer that even remotely resembles an ultrasound hope this answered your question.

You might be interested in
Lithium, sodium and potassium are all in group 1 of the periodic table. Which of these has the lowest boiling point?
kvv77 [185]

Answer:

Potassium

Explanation:

In group one of the periodic table both the melting and the boiling points usually decrease down the group.

Now, down the group, it's lithium that comes first, then sodium, then potassium.

Thus, among the 3, potassium is furthermost down the group by virtue of the factor it has the highest atomic number.

Therefore, we can say that potassium has the lowest boiling point among the 3.

5 0
2 years ago
According to the Arrhenius equation, changing which factors will affect the
slamgirl [31]

Answer:

e−(Ea/RT): the fraction of the molecules present in a gas which have energies equal to or in excess of activation energy at a particular temperature

6 0
3 years ago
NASA uses radar to track as much space junk as possible, but it's estimated that millions of pieces
gizmo_the_mogwai [7]
D. All of the above
8 0
3 years ago
if an iron nail is placed in a glass of water the nail will sink. Is the density of iron smaller than or larger than the density
Gala2k [10]
It has  more density when it sinks because the water pushes away thats why people float they are less dense 
5 0
3 years ago
I need some help please
Norma-Jean [14]

Answer:

the first one to the third box

the second one to the fourth box

the third one to second box

and the fourth one to the first box

Explanation:

5 0
3 years ago
Other questions:
  • Can someone plz help. <br> Define solubility
    12·1 answer
  • Which factor is generally responsible for high melting points?
    5·1 answer
  • Which describes interactions between substances and stomata during photosynthesis?
    8·1 answer
  • 1.00 g of a metallic element reacts completely with 300 cm3 of oxygen at 298 K and 1 atm pressure to form an oxide which contain
    15·1 answer
  • In a closed system, how will a decrease in pressure affect the following reaction: N2O4(g) ⇌ 2NO2(g)?
    10·1 answer
  • A solution that contains 55.0 g of ascorbic acid (Vitamin C) in 250. g of water freezes at –2.34°C. Calculate the molar mass (in
    7·1 answer
  • A mixture of 0.220 moles CO, 0.350 moles H2 and 0.640 moles He has a total
    5·1 answer
  • Please help me with my lab report
    14·1 answer
  • How to know how many electrons are involved in bonding of propane ?
    5·2 answers
  • Which of the following is true about a redox reaction?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!