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DerKrebs [107]
2 years ago
15

What is the title with a "salt" compound?

Chemistry
1 answer:
enot [183]2 years ago
8 0

Answer:

Sodium chloride, I think

Explanation:

Salt's compound name is sodium chloride

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Dolphins communicate using compression waves (longitudinal waves).  Some of the sounds dolphins make are outside the range of hu
Gre4nikov [31]
I believe the answer is A. <span>make a softer sound because the shark will not hear the softer signal.
</span><span>
I say this becasue "</span><span>Some of the sounds dolphins make are outside the range of human hearing." So that means the the dolphins speak at a higher wavelength then us humans and we can't hear it so they could use that to their advantage and speak at a height wavelength to each other when sharks are near. 

I could be wrong, but I think the answer is A. </span>
8 0
3 years ago
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Rank the following substances in order from most soluble in water to least soluble in water: methane, CH4; 2-butanol, C4H9OH; ma
inna [77]

Answer:

MgCl2 > C4H9OH > CH4 > C3H8.

Explanation:

Alkanes do not form hydrogen bonds and are insoluble in polar solvents e.g water. The hydrogen bonds between water molecules are move away from an alkane molecule and this worsens as their Carbon chain / molecular weight increases.

MgCl2 is soluble in water. Water essentially breaks down the ionic crystal lattice and the resulting solution is slightly basic.

Alcohols are generally soluble in water and this is because of the -OH group and its ability to form hydrogen bonds with water molecules. As applied to alkanes, as the carbon chain in the alkyl group increases, the solubility decreases.

From the most soluble to the least soluble,

MgCl2 > C4H9OH > CH4 > C3H8.

4 0
3 years ago
Please help and show work, i will mark you brainlest
Natali [406]

Answer:

7x-2(3-4)-2

Pls help

Explanation:

8 0
3 years ago
Identify the following reactions as combination, decomposition, or combustion reactions
kkurt [141]

Answer:

1. combustion

2. decomposition

3. decomposition

4. combination

5. decomposition

6. decomposition

Explanation:

combination of a reaction is when 2 more or elements/ compounds combine to form a compound. example: (A+B→AB)

decomposition of a reaction is when a chemical breakdown. example: (AB→A+B)

a combustion reaction is when an element/ compound reacts with oxygen to form the product of water and carbon dioxide.

example: ( C_{x} H_{y} + O_{2} → H_{2}O + CO_{2} )

7 0
2 years ago
Which element is least likely to undergo a
aleksley [76]
The element which is least likely to undergo a chemical reaction is (4) neon.
The reason for this is because neon is a noble gas, which means that it doesn't react with other elements as well.
5 0
3 years ago
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