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dedylja [7]
3 years ago
11

Which EMW can humans see?

Chemistry
1 answer:
Assoli18 [71]3 years ago
4 0

Answer:

visible light waves are the only electromagnetic waves we can see

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13. which of the following states of matter has no definite shape but does have a fixed volume? a. liquid b. solid c. gas d. ele
lutik1710 [3]
Gas im pretty sure. if not gas then liquid 
5 0
3 years ago
Can anyone answer the riddle of the day; Is water wet?
Afina-wow [57]
No, if something is wet then it has water on it that can be removed, you cannot take water off of itself.
3 0
3 years ago
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An atom has 1 proton, 2 neutrons, and 1 electrons. What is the atomic number of the atom?
RideAnS [48]

Atomic number = No. of proton = 1

so, your answer is 1

8 0
3 years ago
Write differences between homogeneous mixture and heterogeneous mixture​
Pie

Answer:

Homo means same

Hetero means different.

Homogeneous mixtures have one phase, it all looks the same, Fruit juice is homogeneous, solutions are homogeneous.

Heterogeneous mixtures have different phases, you can see the different parts, pepper is an example of a heterogeneous mixture.

  • A homogeneous mixture - Think Kool Aid (Completely Dissolved)
  • A heterogeneous mixture - Like pepper poured into a glass of milk.

In a homogeneous mixture the constituents are able to dissolve in each other due to their similar intermolecular forces, whereas in a heterogeneous mixture the constituents are not miscible- meaning they can't dissolve in each other.

To clarify: intermolecular forces describe the way that types of molecules will interact with each other. For instance, water (a polar molecule) and naphthalene (a non-polar molecule) are said to be "immiscible" because their intermolecular forces do not match. The saying goes: "like dissolves like". Meaning that molecules that have similar IFs will be mutually soluble (miscible, in other words).

  • Homogenous means the same all over...every cubic millimeter is about the same as every other one. Like water or soda.
  • Heterogenous means difference in places, like salsa, with slightly different chunks of stuff depending on where you dipped your chip.
7 0
2 years ago
Read 2 more answers
Is supersaturation possible if recrystallization occurs as a solution of a solid in water cools?
Juli2301 [7.4K]

Answer:

Supersaturation is possible

Explanation:

As a solution of solid in water cools, the dissolved solid would begin to reappear as the solution is now supersaturated at that lower temperature.

When the temperature of a solution is increased, more solute are able to dissolve in solution. A supersaturated solution is one that contains more than the required amount of solute needed to saturate the solution at that particular temperature.

4 0
3 years ago
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