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adelina 88 [10]
3 years ago
5

If in the following diagram the substance is in the solid state during stage 1, what is happening during stage 2?

Chemistry
2 answers:
a_sh-v [17]3 years ago
8 0

Answer:

Here is the diagram.

Explanation:

Iteru [2.4K]3 years ago
3 0
If in the following diagram the substance is in the solid state during stage 1,  during stage 2 the substance is boiling or condensing .
Boiling<span> is the term used to describe the rapid vaporization of a liquid. Boiling occurs when a liquid is heated to its </span>boiling<span> point. 
</span>Condensation happens when the gas is changed into liquid. 
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Chemical analysis shows that citric acid contains 37.51% C, 4.20% H, and 58.29% O. What is the empirical formula for citric acid
Fiesta28 [93]

The empirical formula for the citric acid is C₆H₈O₇

<h3>Data obtained from the question </h3>
  • Carbon (C) = 37.51%
  • Hydrogen (H) = 4.20%
  • Oxygen (O) = 58.29%
  • Empirical formula =?

Divide by their molar mass

C = 37.51 / 12 = 3.126

H = 4.2 / 1 = 4.2

O = 58.29 / 16 = 3.643

Divide by the smallest

C = 3.126 / 3.126 = 1

H = 4.2 / 3.126 = 1.34

O = 3.643 / 3.126 = 1.17

Multiply through by 6 to express in whole number

C = 1 × 6 = 6

H = 1.34 × 6 = 8

O = 1.17 × 6 = 7

Thus, the empirical formula for the citric acid is C₆H₈O₇

Learn more about empirical formula:

brainly.com/question/24818135

7 0
2 years ago
The strongest intermolecular interactions between propanol (CH3CH2CH2OH) molecules arise from hydrogen bonding
pickupchik [31]

The claim that the strongest intermolecular interactions between propanol molecules arises from hydrogen bonding is True.

Intermolecular forces are weaker attraction forces that are utilized to define physical characteristics of molecules such as:

  • boiling point
  • temperature
  • density
  • melting points

Hydrogen bonding is an type of intermolecular forces.

It is a type of dipole-dipole interaction that only happens when a hydrogen atom is connected to the atomic element of oxygen, nitrogen, or fluorine.

From the question given, in the propanol (CH3CH2CH2OH) molecule, the hydrogen usually has a partially positive charge which attracts the partially negative charge of the oxygen.

Therefore, we can conclude that the claim is True.

Learn more about Hydrogen Bonding here:

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3 0
3 years ago
Calculate the number of moles in 3.01 x 1024 atoms of Krypton.
Kaylis [27]

Answer:

So 3.01×10236.022×1023mol−1 is clearly 1/2 a mole of silicon atoms. You should be quickly able to tell me the mass of this quantity of silicon atoms.

I think or 1/3 a mole Id k I’m just starting to learn this ok

Explanation:

6 0
3 years ago
A 7.50-g sample of iron is heated in oxygen to form an iron oxide. if 10.71 g of the oxide is formed, what is its empirical form
Zielflug [23.3K]
Answer is: empirical formula is Fe₂O₃.
m(Fe) = 7,50 g.
m(iron oxide) = 10,71 g.
n(Fe) = m(Fe) ÷ M(Fe).
n(Fe) = 7,50 g ÷ 55,85 g/mol = 0,134 mol.
m(O) = m(iron oxide) - m(Fe).
m(O) = 10,71 g - 7,50 g = 3,21 g.
n(O) = 3,21 g ÷ 16 g/mol = 0,20 mol.
n(Fe) : n(O) = 0,134 mol : 0,2 mol = 2 : 3.
3 0
3 years ago
What is the smallest unit of a chemical compound that still has the properties of that compound
Rashid [163]
A molecule is the smallest unit of a chemical compound that still has the properties of that compound. Hope i helped :) 
3 0
3 years ago
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