Q: Which is the stronger acid, NH4+ or HBrO?
A:
Q: Explain the apparent paradox. HBr is a stronger acid than HCI, but HOCI is a stronger acid than…
A: In group 17 oxyacids, the electron density is drawn away from the oxygen atom and results in an…
Q: Is phosphat and phosphoric acid the same? Or are they two different things?
A: Phosphate: It is a chemical derivative of phosphoric acid. Its chemical formula is (PO4)-3. Its…
Q: Is phosphate and phosphoric acid the same thing? Or are they different?
A: If phosphate and phosphoric acid the same thing or different is to be explained.
Q: The reaction of an acid and a base only produces a salt and water as products. This is an example of…
A: When an acid(say HA) reacts with a base (MOH). They produce salt and water.
Q: Explain how the oxidation state of group 17 elements affect the acidic strength of their compound
A: The oxidation states of the halogens vary from -1 to +7. In the Long form of periodic table, the…
Q: Describe the autoionization of water and explain how [H3O+] and[OH-] are related via Kw?
A: Autoionization reaction is a reaction that takes place when a proton is carried from one molecule to…
Q: What is the pH of the solution prepared by allowing 1.55 g of Na2O to react with 500.0 mL of water?…
A: Reaction: Na2O + H2O→ 2NaOH 1mole Na2O reacts with 1 mole H2O to give 2 moles of NaOH
Q: Which could be the pH level for a solution of sodium hydroxide? о в. 7.0 О с. 11.2 O D. 2.3
A:
Q: Classify the oxides as acidic or basic.
A: A basic oxide is an oxide that shows basic properties in opposition to acidic oxides and that either…
Q: Arrange the following oxoacids of chlorine in increasing order of acidic strength. HOCl, HOClO,…
A: Acidity means how easily a compound donates its hydrogen. The easier the availability of hydrogen,…
Q: If HCl is a weaker acid than HBr, why is ClCH2COOH a stronger acid than BrCH2COOH?
A: Br is less electronegative than Cl. Hence, HBr easily donates proton due to the weaker pull of Br.…
Q: A hypothetical element A has these properties: first ionization energy= 850 kJ/mol second…
A: In the question given, that third Ionisation energy of element A is exceptionally very high as…
Q: Al, Al2O3 en Al(OH)3 is amphoteric. A) Explain what the statement means? B)Give reaction equations…
A: Amphoteric substances are those substances which reacts with both acid and base due to having…
Q: Write and balance the equation for each of the reactions. sodium hydroxide and phosphoric acid…
A:
Q: All alkali metals and akaline earth metals are strong reducing agents and could be oxidized by…
A: Alkali metals react with water to form metal hydroxide and hydrogen gas. M(s) + 2H2O(l) ->…
Q: Which of the following statements are true? O The partial atomic charge of the anion is inversely…
A: In the given problem we need to figure out which statements are true.
Q: How is pH and pOH calculated?
A: pH describes the potential of H+ in a solution. pH is calculated using the following equation…
Q: Conc. HNO, H3C. NH КОН NH
A: With HNO3,oxidation takes place and then hydrolysis with KOH.
Q: All alkali metals and alkaline earth metals are strong reducing agents and could be oxidized by…
A:
Q: What is the pH of a 0.103 M aqueous solution of potassium hypochlorite, KCIO? This solution is pH =
A:
Q: Oxides can react with water to form acids or bases. Identify each of the following oxides as acidic…
A: Oxides of compounf of elements reacts with water and produces either acidic compounds or basic…
Q: Which is more acidic, HF or HI? Explain
A: Bond strength of a general molecule AH is related to the length of the bond between the hydrogen…
Q: What is the pH of 7.8 x 105 M HNO3 (aq)? O 18.1 O 9.9 O 9.5 O 3.7 O 4.1
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Q: What is the name of the type of reaction that happens between acids and alkalis?
A: There are various reaction happening between element or Compound , on the basis of the what type of…
Q: The Properties, Reactions and Applications of Oxygen Pick a row in the periodic table and using the…
A: Answer - Periodic table - The periodic table, also known as the periodic table of elements, is a…
Q: Which Gas is produced when a metal reacts with dilute hydrochloric acid? Write the chemical reaction…
A: Hydrogen gas is evolved when dilute hydrochloric acid is added to a reactive metal.
Q: Write a net ionic equation for the equilibrium that causes the solution of KHTar in water to be…
A: KHTar is used for potassium acid tartarate. A solution is said to be acidic when there is the…
Q: Calculate [H,O*] and [OH"'] for the following solutions: pH = 7.41 (Normal blood pH) a. L,OʻH) [OH]…
A:
Q: Which is the stronger acid, HClO4 or HBrO4? Why?
A: Chlorine (Cl) and bromine (Br) are halogens which belong to group VII A with a valence electron…
Q: How do I write the chemical equation for the reaction of NaOH and HC2H3O2?
A:
Q: Nitrous acid is a weak acid. Would you expect solutions of nitrous acid and nitric acid, of equal…
A:
Q: 1) a) Write the reaction of ammonia with water.
A: ammonia is a colourless gas with a distinct pungent smell. ammonia (NH3) is a weak base here, H2O…
Q: Oxides can react with water to form acids or bases. Identify each of the following oxides as acidic…
A: All oxides of metals are basic while those of non - metals are acidic Cl and N are non metals hence…
Q: Explain the apparent paradox. HBr is a stronger acid than HCl, but HOCl is a stronger acid than…
A: The dissociation reaction of HCl is,
Q: Which of the following statements explain why HBr is a stronger acid than HF? 17
A:
Q: Which is a stronger acid? Boron trifluoride or sulfuric acid?
A: Substance which easily gives H+ ion in aqueous solution, is stronger acid.
Q: Why is sodium hydrogen carbonate an essential ingredient is antacids?
A: Sodium hydrogen carbonate or baking soda is a salt of strong base and weak acid. Hence, the pH of…
Q: Calculate the pH and percent ionization of a 2.5 x 102 45 x 10:4)
A:
Q: Which is the stronger acid, HClO3 or HBrO3? Why?
A:
Q: he reaction of an acid and a base only produces a salt and water as products. This is an example of…
A:
Q: What is the pH of a 0.031 M solution of aqueous Sr(OH)2? O 1.21 O 1.51 O 12.49 O 12.79
A: pH of an aqueous solution is defined as the negative logarithm of H3O+ ion concentration.…
Q: Is Mg(OH)2 a acid, base, or neither?
A: According to the Arrhenius concept of acids and bases :- Acids donate H+ ions in water and bases…
Q: Al, Al2O3 en Al(OH)3 is amphoteric. Explain what the statement means? Give reaction equations to…
A: The substances which are capable of showing dual character (acidic and basic) in aqueous solution…
Q: It is possible to guess the type of salt, acidic or alkaline, based on
A: Alkaline solution means solution is basic. Solution is made up of solute and solvent. Alkaline…
Q: Among the acids of halogens, which is considered to be the most acidic? O HBr Он O H. НЕ О на HCI
A: Given :- halogen acids : HCl, HBr, HF, HI To identify :- most acidic out of the given four acids.
Q: The elements sodium, aluminum, and chlorine are in the same period.(a) Which has the greatest…
A: Across the 3rd period, on moving left to right the size of the element decreases continuously…
Q: How many moles of hydroxide ions can be released into solution from 1.00 mg of Mg(OH)2 that is used…
A: Molar mass of Mg(OH)2 = 58.32 g/mol Given mass = 1 mg = 0.001g Moles = 0.001/58.32 = 1.71*10-5
Of the hydrogen halides, only HF is a weak acid. Give a possible
explanation.
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- Why is (CH3)3Cl considered to be a Lewis Acid?(a) Write a balanced equation representing the reaction of the acid, H2PO4- with the base, water. (b) Write the expression for Ka of H2PO4- in terms of concentrations of relevant species.For the following acid-base reaction, (1) predict the products, showing both reactants and products complete Lewis structures and arrows showing electron flow; (2) label each structure with the lowing: Bronsted acid, Bronsted base, conjugate acid, conjugate base; (3) give a brief definition of a ronsted acid and Bronsted base; (4) predict the direction of the equilibrium and justify your answer. HC0OH + CH3 Nta PRん106Y pkb = 3.36
- (4) Define Lewis acid/base versus Bronsted acid/base and describe the other two effects that influence acidity (hybridization and resonance)Calculate the equilibrium constant for the acid–base reaction between the reactants in each of the following pairs: (a) HCl + H2O (b) CH3COOH + H2O (c) CH3NH2 + H2O (d) CH3N+H3 + H2O1. Solid NH4NO3 dissolves in water and then reacts with KOH (aq). The container releases a smell as the reaction proceeds. (a) Write the acid-base reaction products for this reaction. (b) Write the decomposition reaction that happens immediately after the acid-base reaction that is responsible for the smell observed. 2. Write the complete and balanced Bronsted- Lowry acid-base reaction for the following. Choose the correct arrows to indicate if the reaction goes 100% to completion or is a reversible reaction using equilibrium arrows. (a) H₂S(aq) + NH4OH(aq) (b) HC₂H3O2(aq) + Ca(OH)2 (aq) 3. Use dimensional analysis, proper significant figures & show units. A nicotine-like compound found in tobacco has an empirical formula of C5H7O1 and a molar mass of 160 g/mol. What is the molecular formula of this compound?
- Which is the stronger acid, H2SO4 or H2SeO4? Why?(8) Answer each of the following questions: (a) Ka for HNO2 is 4.6 x 10-4. What is the Kb for its conjugate base ? (b) Calculate the pH of 0.1 M of HNO2 solution using the ka above.Calculate the pH of a dilute solution that contains a molar ratio of potassium acetate to acetic acid (pKa = 4.76) of (a) 2:1; (b) 1:3; (c) 5:1; (d) 1:1; (e) 1:10
- Ammonia, NH3, is amphoteric. (a) Give the formula for the conjugate acid of NH3. (b) Give the formula for the conjugate base of NH3.The odor of fish is due primarily to amines, especially methylamine(CH3NH2). Fish is often served with a wedge oflemon, which contains citric acid. The amine and the acidreact forming a product with no odor, thereby makingthe less-than-fresh fish more appetizing. Calculate the equilibrium constant for the reaction of citric acid with methylamine, if only the firstproton of the citric acid (Ka1) is important in the neutralizationreaction.Group 15 elements react with hydrogen to form hydrides with a general formula of EH3 (where E = N, P, As, Sb or Bi) and they are Lewis base. (i) Briefly discuss why Group 15 hydrides are Lewis base. (ii) Arrange the strength of Lewis basicity of EH3 in decreasing trend. Explain your answer.