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11Alexandr11 [23.1K]
3 years ago
7

I need heLp ASAP

Chemistry
2 answers:
vredina [299]3 years ago
6 0

Answer:

sunspots

Explanation:

because i got it right on the test.

Mandarinka [93]3 years ago
4 0

Answer:

Photosphere

Explanation:

Because it is the visible surface of the sun we are most familiar with.

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kozerog [31]

Answer:

0.50603kg when you add given masses

4 0
2 years ago
A chemical reaction in which one element replaces another element in a compound can be categorized as a
rewona [7]
They are substitution reactions 

hope that helps
7 0
3 years ago
Read 2 more answers
Osmotic pressure ____.a. occurs only in ionic solutions.b. is lower with 1 M NaCl than 1 M sucrose.c. is created using detergent
Firdavs [7]

Answer:

d. is the hydrostatic pressure produced on the surface of a semi-permeable membrane by osmosis.    

Explanation:

Osmosis -

It is the flow of the molecules of solvent from a region of higher concentration towards the region of lower concentration via a semipermeable membrane , is known as osmosis.

Osmotic pressure -

It refers to the minimum amount of pressure , which is required to be applied to the solution in order to avoid the flow of pure solvent via the semipermeable membrane , is referred to as osmotic pressure.

Or in simple terms ,

Osmotic pressure is the pressure applied to resists the process of osmosis.

Hence ,

From the given options in the question,

The correct option regarding osmotic pressure is d.

6 0
3 years ago
Which state of matter would be described as having highly energized, charged particles that move extremely fast
uranmaximum [27]
There are four states of matter, solid, liquid, gas and plasma. Their formation is as when solid is heated it converts into liquid, liquid on heating converts into gases and gases on heating converts into plasma.

Plasma:
           Plasma is the fourth state of matter. It is the highest energy state of matter.

Composition:
           Plasma is made up of negatively charged and positively charged particles.

Result:
           The answer to your question is Plasma.

8 0
3 years ago
The amount of matter in an object is known as
zavuch27 [327]
Mass......................

4 0
3 years ago
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