Predict the pH of a sample of water if Kw were 10−10 or 10−20.
Q: Describe the pH scale and the properties of acids and bases
A: Autoionization of water is a process through which water molecules generate hydrogen ions and…
Q: Using an example of your choice of buffer, explain how a buffer absorbs added acids and bases. Use…
A: Introduction Buffer solutions maintain their pH constant even upon the addition of small amounts of…
Q: Define salt
A: Salt is a chemical compound consisting of an ionic assembly of an ionic assembly of cations and…
Q: What is the formula for water vapor
A: Water can be in three possible stetes in the free environment i.e. solid, liquid and gas. Water…
Q: Define the terms acidic, basic, acid, and base. Also define pH and describe the relationship…
A: Acid: Acids were described by Arrhenius as compounds containing hydrogen which upon addition to…
Q: Assume that the mixture of substances in drawing (a) undergoes a reaction. Which of the drawings…
A: The law of conservation of mass states the mass in an isolated system is neither created nor…
Q: Water is a mineral
A: Water is not a mineral since it lacks crystalline form and is a liquid rather than a solid.
Q: Describe how to calculate pH from the concentration of H+ or OH−.
A: PH is defined as the negative log 10 of hydrogen (H+) ion concentration in the aqueous solution.
Q: . define acid and base and interpret the pH scale;
A: pH is considered as the potential or power of hydrogen ion.
Q: Compare the characteristics of an acid, a base, and a salt.
A: Acid is a chemical compound which is naturally present in fruits, vegetables, and can be derived…
Q: The molecule in the accompanying figure contains
A: Fatty acids are the building blocks of the fat in our bodies and within the food we tend to eat.…
Q: Interpret the pH scale.
A: Acid can be defined as any hydrogen-containing substance that has the tendency of donating the…
Q: Predict whether a solution has a high or low concentration of free hydrogen ions by using its pH…
A: The pH of any solution is a proportion of the convergence of hydrogen ions in the solution A…
Q: What is the concentration of hydrogen ions [H+] in a solution that has a pH of 2? (write out using…
A: The pH, a standard unit that is used to specify whether an aqueous solution is acidic or basic, is…
Q: Define pH and give some examples.
A: pH: pH ~ depicts about the 'potential of hydrogen' or 'power of hydrogen' Which…
Q: Assume that the mixture of substances in drawing (a) undergoes a reaction. Which of the drawings…
A: The law of conservation of mass, also known as the theory of mass conservation in physics and…
Q: Describe the pH scale and how it was derived; define acid, base,and neutral levels.
A: pH is an important quantity that reflects the chemical conditions of a solution. The pH can control…
Q: Convert between mass and moles using the molar mass of a substance.
A: Molarity is defined by a number of moles of a substance in a solution (in litres). Molar mass is…
Q: föllowing would dispersion forces be the most important factor in determining physical properties in…
A: The London dispersion forces are defined as the weakest existing intermolecular forces. It is a…
Q: Describe the properties of water, and explain why it is so important in biological systems.
A: Water is a substance made up of hydrogen and oxygen chemical elements and existing in solid, liquid,…
Q: In not more than 10 sentences, discuss briefly why is water called the universal solvent?
A: Water is an inorganic solvent with molecular formula H2O, made up of two hydrogen atoms and one…
Q: Which would have a higher boiling point - a sample of sugar water (sucrose dissolved in water)or a…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Explain how the chemical properties of water make life possible.
A: Water(H2O) is the most essential molecule for all living organisms. The oxygen atom is linked by two…
Q: Compare an element and a compound.
A: A chemical element is the substance, whose all atoms have same number of protons that means all of…
Q: If 65 percent of your body mass is water, determine how many kilograms of water you contain.
A: Water is the main component of the human body and it forms nearly 60% of body mass. Different organs…
Q: Acid Base Solutions, what are the pH's for: Water_____ Strong Acid_____ Weak Acid______ Strong…
A: Introduction: Solution is a mixture of two different compound in which one compound dissolve the…
Q: Give a name for the following: A solution that moderates changes in pH. Answer:
A: More the dissolved H+ ions more acidic is the solution, and if the number of dissolved OH- ions…
Q: Describe how different types of solutes dissolve in water. Explain whata solution is.
A: Water is a universal solvent because of its capability to dissolve many substances. It is due to its…
Q: Why do we want to know the pH?
A: pH is defined as the quantitative measure of the acidity or basicity of aqueous or other liquid…
Q: describe the unique properties of water
A: Unique properties of water: Water is capable of dissolving a variety of different substances, which…
Q: As pH increases, there is increasingly more H+ than OH-
A: The pH of a solution is the log of hydrogen ion concentration with a negative sign. pH = -log (H+)…
Q: Decide whether the following are chemical or physical mixtures.
A: The matters are everything around the ecosystem. The matters must have some weight and it has to…
Q: waters ability to stick to other polar or ionic things is called?
A: Hydrogen bonds are defined as "not true" bonds similar to covalent bonds & ionic bonds. Hydrogen…
Q: _____________ compounds exclude water.
A: Rule of thumb that states that "like dissolves like" which means that polar molecules are dissolved…
Q: Which mixture acts as buffer solutions? O 50 ml 0.1M H2CO3 and 100 ml 0.1M NAOH 100 ml 0.1M H2CO3…
A: A buffer solution is composed of a weak acid and its conjugate base. The buffer solution resists the…
Q: Explain what causes ice to float on top of liquid water.
A: The density of the substance is calculated as mass per unit volume. Density= massvolume
Q: Compare and contrast an acid from a base.
A: Acid and base both are chemical compounds that react to form water and salt by the neutralization…
Q: Name several inorganic compounds.
A: Inorganic compounds: These are those compound which does not contain hydrogen and carbon bond where…
Q: which liquid is most like water and would support human life?
A: Water is an essential requirement for life on Earth as it functions as a solvent. It can dissolve…
Q: efer to the table below: Saponification Number 179 260 193 185 lodine Number 102 10 111 79 Oil…
A: Introduction Iodine number defined as the number of grams of iodine that are consumed by 100 gram…
Q: Water has unusually high specific heat. What does this mean?
A: The question is saying that "water has unusually high specific heat".We need to determine the…
Q: Write out a recipe to create the following solution: 5ml of 300mM Sodium Citrate (molecular weight -…
A: Molarity It can be calculated using the formula: M=n/V(L) n=w/mol.wt. M =w/mol.wt. × v We have to…
Q: Explain the practical application of knowing the charge of ions? Cite feasible example.
A: Atoms don't possess electric charge ,when they acquire electric charge,they are called ions. Ions…
Q: Explain why oil does not dissolve in water ?
A: Introduction Water is a gaseous, liquid, or solid material that is made up of the chemical elements…
Q: Determine the effect of temperature changes on the solubility of a solute in a solution.
A: Temperature affects solubility.
Q: If a model of a hydrogen atom had a diameter of 45 cm, what would have to be the diameter of the…
A: Introduction - Hydrogen atom or its model is made up of a centrally placed nucleus or in this case…
Q: Describe the way an ionic solid dissolves in water
A: Ionic compounds are ones that are made up of oppositely charged atoms, known as ions, that are…
Predict the pH of a sample of water if Kw were 10−10 or 10−20.
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- Predict whether a solution has a high or low concentration of free hydrogen ions by using its pH number.Estimate the pH of a solution prepared by dissolving 1.0 × 10-10 mole of a strong acid in a liter of water at 25°C.Calculate the percent by mass of a solution that is prepared by dissolving 385 grams ofpotassium iodide in 755 grams of water.
- Using the figure, answer the following questions.a. What is the molar composition of the vapor in equilibrium with a boilingliquid that has a composition of 60% A and 40% B?b. A sample of vapor has the composition 50% A and 50% B. What is the composition of the boiling liquid that produced this vapor?how many hydrogen can be formed from the question aboveCompare the characteristics of an acid, a base, and a salt.
