In chemistry, there are three commonly encountered theories to explain what acids and bases are and what they do. Name these theories and describe what each one states about acids and bases. Give an example to help describe each of the types. Make sure to explain how these theories differ from each other. (Properties of Acids and Bases)
Answers
Answer: The theories are such that if any chemical produce H+ ion then it is an acid and if the chemical produces OH- ion then it's a base.
Explanation:
sorry I am not that much knowledgeable like all of you
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Which statement defines the temperature of a sample of matter?1) Temperature is a measure of the total electromagnetic energy of the particles.2) Temperature is a measure of the total thermal energy of the particles.3) Temperature is a measure of the average potential energy of the particles.4) Temperature is a measure of the average kinetic energy of the particles.Can someone help me with this?
An atom of lithium 7 has an equal number of
According to one acid-base theory, a base is an(A) acceptor(B) acceptor(C) donor(D) donor
Consider the following reaction to generate hydrogen gas: Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g) The hydrogen gas is collected by displacement of water at 35.0 °C at a total pressure of 745 torr. The vapor pressure of water at 35.0 °C is 42 torr. Calculate the partial pressure of H2 (in atm) if 353.2 mL of gas is collected over water from this method.
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NaOH + HCl ---> NaCl + H₂O
stoichiometry of NaOH to HCl is 1:1
number of NaOH moles reacted - 0.1 mol/L x 0.054 L = 0.0054 mol
number of HCl moles reacted = number of NaOH moles reacted
since the molar ratio of acid to base is 1:1
therefore number of HCl moles reacted - 0.0054 mol
the number of moles of HCl in 125 mL - 0.0054 mol
therefore number of HCl moles in 1000 mL - 0.0054 mol / 125 mL x 1000 mL
number of moles of solute in 1000 mL is known as the molarity concentration
concentration of HCl is 0.0432 M
Answers
Answer:
(3) saturated
Explanation:
Hello,
In this case, a solution that is at equilibrium must be (3) saturated as at the equilibrium, the entire solute is completely dissolved into the solvent, so no leftovers are present. Unsaturated solutions are not at equilibrium since there is a portion of solvent that is not contributing to equilibrium. Concentrated solutions are not at equilibrium since they could have more solution than allowed into the solvent.
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diamond
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Hi there, thanks for asking a question here on Brainly!
The hardest known mineral in this planet is the diamond.
Answer: Letter C ✅
Hope that helps! ★
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Answer: The organic compound used to create fragrances in perfume industry are ester.
Explanation:
Organic compounds are defined as the compounds in which a covalent bond is present between a hydrogen and a carbon atom. These are also known as hydrocarbons.
Esters are an organic compound which have a pleasant and fruity smell and is used in the perfume industry.
Therefore, the organic compound used to create fragrances in perfume industry are ester.
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Answer: The pH of the solution is 13.
Explanation:
pOH is defined as the negative logarithm of hydroxide ion concentration present in the solution.
We are given:
Concentration of (Conversion factor:
)
1 mole of calcium hydroxide produces 1 mole of calcium ions and 2 moles of hydroxide ions
Concentration of
Putting values in above equation, we get:
We know:
Hence, the pH of the solution is 13.
Answers
Answer is "0.05 mol".
Explanation;
We can do calculation by using a simple formula as
n = m/M
Where, n is the number of moles of the substance (mol), m is the mass of the substance (g) and M is the molar mass of the substance (g/mol).
Here,
n = ?
m = 2.80 g
M = 56.08 g/mol
By substitution,
n = 2.80 g /56.08 g/mol
n = 0.0499 mol ≈ 0.05 mol