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Aliun [14]
3 years ago
12

What do these substances have in common? apple juice, helium gas, salt water and copper wire

Chemistry
2 answers:
JulsSmile [24]3 years ago
7 0

They are all compounds! Good Luck Mate!

Llana [10]3 years ago
6 0

Answer;

They are compounds

Explanation;

A compound is a substance formed when two or more elements are chemically joined. Water, salt, and sugar are examples of compounds.

When the elements are joined, the atoms lose their individual properties and have different properties from the elements they are composed of.

Elements are substances that cannot be separated into simpler substances.

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Nat2105 [25]

A good reason for a desert fox to show this pattern of behavior because hunting at night allows the fox to use its night vision.

<h3>What is Hunting?</h3>

Thi9s is commonly practised by predators such as fox in which they capture and kill other animals for food.

The fox has a good night vision which makes it able to hunt for animals during the night also. This is why option C is chosen as the most appropriate choice.

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6 0
2 years ago
What is the molarity of a solution with 130g of CoCl2 in 1/2 liter? (can you show the steps please)
Elden [556K]

Answer:

2M

Explanation:

M=mol/L

1. Find moles of CoCl2

mass of substance/molar mass = 130/129.833 = 1.001 mol

3. Substitute in molarity equation

M=(1.001/0.5)

M= around 2M

7 0
2 years ago
What is the formula for dinitrogen pentoxide?<br> A)NO5<br> B)N5O2<br> C)N2O5<br> D)N2O7
Juliette [100K]

Answer:

nick gur

Explanation:

5 0
2 years ago
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What kinds of scientific investigations involve making observations?
rodikova [14]
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2. Correspondence Theory (Theory of corespondence)

Based on this theory, a knowledge considered to be true if the knowledge of having a relationship with a reality that is true. This theory is based on the empirical fact that knowledge is true if there are facts that support that is true knowledge. Thus the truth here is based on inductive inference.

3. Pragmatic Theory (Theory of Pragmatism)

According to this theory, knowledge is said to be true if the knowledge is seen practically completely or have properties that true practicality. Followers of this theory argue that knowledge is true if it has keguanaan practical<span>.</span></span>
5 0
3 years ago
Which of the following definitions characterizes an element?
Amanda [17]
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6 0
3 years ago
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