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BigorU [14]
3 years ago
12

what is the energy change if an ice cube of mass 50 grams (initially at it's normal melting point) was converted to steam at the

normal boiling point or water?
Chemistry
1 answer:
Kipish [7]3 years ago
8 0
I think it is evaporation hope this helped
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grandymaker [24]
It would be 498896.64 cm
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3 years ago
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The temperature of evaporation is much higher for water than for alcohol. Without knowing more about the chemistry of alcohol, w
Valentin [98]

Answer:

Fewer hydrogen bonds form between alcohol molecules. As a result, less heat is needed for alcohol molecules to break away from solution and enter the air.

Explanation:

Hydrogen bonding is a kind of intermolecular interaction that occurs when hydrogen is bonded to a highly electronegative atom.

Both water and alcohols exhibit hydrogen bonding. However, alcohols exhibit fewer hydrogen bonds than water.

As a result of this, the temperature of evaporation is much higher for water than for alcohol because hydrogen bonds hold water molecules more closely than alcohol molecules are held.

8 0
3 years ago
According to Maslow's hierarchy of needs, the basic needs are what we call physiological or biological needs. The survival of th
Volgvan

Answer:

<u>True</u>

Explanation:

|ndeed,  Psychologist Abraham Maslow's sought to describe hierarchy in which the average (or most) humans place their needs. In other words, he believes we as humans have basic needs which we long to satisfy.

On the ranking or hierarchy, according to Maslow the need humans satisfy first is their physiological need. Here's the full hierarchy:

Physiological Needs

↓

Safety Needs

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Love/Belonging Needs

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Esteem Needs

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Self-Actualization

3 0
3 years ago
The partial negative charge at one end of a water molecule is attracted to the partial positive
Neporo4naja [7]

Answer:

             Hydrogen Bond

Explanation:

                   Hydrogen bond interactions are formed between the hydrogen atom bonded to most electronegative atoms (i.e. F, O and N) of one molecule and most electronegative atom (i.e. F, O and N) of another molecule.

In this interaction the hydrogen atom has partial positive charge and electronegative atom has partial negative charge.

6 0
2 years ago
A molecure that contains 3 iddentical polar bonds to the central atom will be
shepuryov [24]

ANSWER:

Nonpolar

sorry if I'm wrong

4 0
3 years ago
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