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NeTakaya
3 years ago
8

When a __________ is completely dissolved in a __________, a solution is formed.

Chemistry
1 answer:
ValentinkaMS [17]3 years ago
8 0
When a solute is completely dissolved in a solvent, a solution is formed.
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One way to determine the pH of a solution is to measure the concentration of the acid and base forms of the indicator colorimetr
ki77a [65]

Answer:

pH = 4.26

Explanation:

Bromocresol green is a commonly used pH indicator. The concentration ratio of the acid form to base form explains its color, which reflects the pH of the medium.

C₂₁H₁₄Br₄O₅S + H₂O ⇄ C₂₁H₁₃Br₄O₅S⁻ + H₃O⁺

      acid                       conjugate base

We can calculate the pH through Henderson-Hasselbalch's equation:

pH=pKa+log(\frac{[base]}{[acid]} )=4.66+log(\frac{1}{2.49} )=4.26

7 0
3 years ago
Nitroglycerin is a dangerous powerful explosive that violently decomposes when it is shaken or dropped. The Swedish chemist Alfr
marshall27 [118]

<u>Answer:</u> The balanced chemical equation for the decomposition of nitroglycerin is written below.

<u>Explanation:</u>

Decomposition reaction is defined as the reaction in which a single large substance breaks down into two or more smaller substances.

Every balanced chemical equation follows law of conservation of mass.

A balanced chemical equation is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

The balanced chemical equation for the decomposition of nitroglycerin follows:

4C_3H_5N_3O_9(l)\rightarrow 12CO_2(g)+10H_2O(g)+6N_2(g)+O_2(g)

By Stoichiometry of the reaction:

1 mole of liquid nitroglycerin decomposes into 12 moles of carbon dioxide gas, 10 moles of gaseous water, 6 moles of dinitrogen gas and 1 mole of dioxygen gas.

Hence, the balanced chemical equation for the decomposition of nitroglycerin is written above.

3 0
4 years ago
What is the Lewis structure of CH4​
Triss [41]

Answer:

8 Toal valence electrons.

Explanation:

For CH4 you have a total of 8 total valence electrons. Drawing the Lewis structure for CH4 (named methane) requires only single bonds. It's one of the easier Lewis structures to draw.

6 0
3 years ago
What are the raw materials/reactants and products of photosynthesis
Brilliant_brown [7]
Carbon Dioxide + Oxygen Gas + Water + Sunlight Yields Glucose + Oxygen
5 0
3 years ago
Materials: • One disposable plastic cup • One disposable plastic spoon (plastic fork or knife may be used instead) • Thermometer
Leya [2.2K]
I'm not sure what the question is, this is a lab proecdure
4 0
3 years ago
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