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tino4ka555 [31]
2 years ago
13

Identify how energy changed form so it could be use in each example.

Chemistry
1 answer:
Klio2033 [76]2 years ago
6 0

Answer:

→A space heater warms a room⇒By converting electrical energy into heat energy.

→You eat dinner⇒Our  body uses chemical energy to break down the food

→A radio plays⇒By converting electrical energy into sound energy in an electric radio. And by converting chemical energy into sound energy in a radio which runs with a cell.

Explanation:

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Mkey [24]
Oil molecules like to stick to other oil molecules more than they like to stick to water molecules. This is because mineral oil has nonpolar molecules and water has polar ones.
3 0
3 years ago
Carboxylic acid derivatives undergo hydrolysis to make carboxylic acids.
monitta

Answer:

TRUE

Explanation:

All carboxylic acid derivatives have in common the fact that they undergo hydrolysis (a cleav- age reaction with water) to yield carboxylic acids. with hydroxide ion to yield a carboxylate salt and an alcohol. The carboxylic acid itself is formed when a strong acid is subsequently added to the reaction mixture.

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3 years ago
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How would the melting point of an ice cube compare to the melting point of a large ice sculpture?
Ad libitum [116K]

The ice sculpture would take longer to melt than the ice cube

7 0
3 years ago
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Which parts (postulates) of Dalton's atomic theory has been modified in light of later discoveries
professor190 [17]

Explanation:

1) Atoms can not be subdivided. It has been changed as it is possible to divide an atom into Protons, Neutrons and Electrons as well as other smaller particles.

2) The regulations for the chemical mixture have always been altered to the rules for the chemical combination in the creation of organic compounds may be denied.

3)Atoms are of a particular element are identical in all respects i. e. they have same mass and similar properties.

It was modified. And according. to new search;

Atoms of the same element may not be always identical.

8 0
4 years ago
Picture this in your mind as you read it: You weigh an empty, clean, dry beaker on the balance (scale). It weighs 32.15 grams. Y
AleksAgata [21]

Answer:

2.25 g

Explanation:

The mass of the solid X must be the total mass (beaker + solid X) less than the mass of the beaker. Then:

mass of the solid X = 34.40 - 32.15

mass of the solid X = 2.25 g

The difference of 0.25 g must occur for several problems: an incorrect weight in the balance, the configuration of the balance, the solid can be hydrophilic and absorbs water, and others.

6 0
3 years ago
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