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3 years ago

Explain the various factors that impact the solubility of substances in water.

Chemistry

2 answers:

Mashutka [201]3 years ago

5 0

Answer

Hi, the factors are;

Temperature

molecular size of solute

stirring

Explanation

An increase in temperature increases the solubility rate.Large solute molecules have larger molecular weight and size, thus less soluble. Stirring increases the speed of the dissolving process. In addition, polarity affects solubility in that solutes dissolve in solvents that share similar polarity.

All the best!

Andreyy893 years ago

5 0

Answer: Temperature, Molecular Size of the particle, Polarity, Stirring

Explanation: Solubility of substances in water depends upon the below mentioned factors -

1. Temperature - Higher the temperature, higher will be the kinetic energy of the particles which will move in random directions. Thus the particle will nt remain as precipitate in the solution and will try to get dissolved.

2. Molecular Size of the particle - It is more difficult for the solvent to dissolve the particle with large molecular size as it will take high temperature to get dissolved.

3. Polarity - 'Like dissolves like' explains the polarity concept of the solubility. It means that the non polar solute will get dissolved in non polar solvents and polar solutes will get dissolved in polar solvents only.

4. Stirring - Stirring only helps to increase the speed of the process of solubility. It has nothing to do with the substance.

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2 years ago

Find the mass in grams of 3.00 x 1023 molecules of F2

LUCKY_DIMON [66]

<h3>Answer:</h3>

18.9 g F₂

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Reading a Periodic Table
Using Dimensional Analysis
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<h3>Explanation:</h3>

<u>Step 1: Define</u>

3.00 × 10²³ molecules F₂

<u>Step 2: Identify Conversions</u>

Avogadro's Number

Molar Mass of F₂ (Diatomic) - 38.00 g/mol

<u>Step 3: Convert</u>

Set up: $\displaystyle 3.00 \cdot 10^{23} \ molecules \ F_2(\frac{1 \ mol \ F_2}{6.022 \cdot 10^{23} \ molecules \ F_2})(\frac{38.00 \ g \ F_2}{1 \ mol F_2})$
Multiply: $\displaystyle 18.9306 \ g \ F_2$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

18.9306 g F₂ ≈ 18.9 g F₂

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3 years ago

The IUPAC name of(CH3)2CHCH2CH=CH2

jarptica [38.1K]

Answer:

4-Methyl-1-pentene

Explanation:

According to the International Union of Pure and Applied Chemistry (IUPAC), IUPAC nomenclature of organic chemistry is defined as the system of naming organic chemical compounds.

There are certain rules for naming organic chemical compounds as per IUPAC. The name of given (CH3)2CHCH2CH=CH2 will be based on the same rules.

At first find out the longest continuous chain and number the chain consecutively (preference given to double and single bonds), so numbering will start from right to left. the given chemical is 5 Carbon chain long.
Then, identify the groups attached to this chain. Methyl is the only group attached to this chain at 4 Carbon.
Assemble the name in alphabetical order using the full name using correct prefix and suffix.

4-Methyl-1-pentene is the name of this chemical, as methyl is in 4th carbon position, Pent for 5 carbon chain and -ene (suffix) for one double bond).

Hence, the correct answer is "4-Methyl-1-pentene".

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3 years ago