What do you call the stage of the titration in which the number of moles of the titrant is stoichiometrically greater than the moles of the analyte?   post-equivalence   pre-equivalence   equivalence   end stage

Q: What is this compound base on the IR spectrum?

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Q: Current Attempt in Progress Use Lewis symbols to diagram the formation of Cal2 from Ca and I atoms.…

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Q: Which of the following would be identified as a redox reaction   Question 4 options:   A)  CH4 (g)…

A: Redox reactions are those in which both oxidation and reduction occurs in a single reaction…

Q: NaBH4, NICI2 is a O soft electrophile O hard nucleophile hard electrophile O soft nucleophile

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Q: The solubility of Ca(IO3)2 Woud be in a solution of 4M iodate ion thán in pure water at the same…

A: From common ion effect we  found that the solubility of a sparingly soluble salt decrease when a…

Q: Write the chemical equation for the reaction between MgCl2 and the soap prepared. (Soap prepared is…

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Q: s as conjugate acid (CA), conjugate base (CB), a

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Q: A chemist wishing to do an experiment requiring "Ca+ (half-life = 4.5 days) needs 5.0 µg of the…

A: calcium carbonate undergo first order radioactive decay Here we are required to find the mass of the…

Q: what are the pKa value os trisodium arsenate to calculate pH at second equivalence point?

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Q: Question 15 Match the following molecules based on their bond angles: 1. O-S-O bond is so,2 2. O-N-O…

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Q: A gas-filled weather balloon with a volume of 65.0 L is released at sea-level conditions of 745 torr…

A: The relationship between pressure , volume and temperature of a gas under two different conditions…

Q: What are the unmoved atoms in pyrazine d2h?

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Q: Rubidium-87 decays by B production to strontium-87 with a half life of 4.7 x 1010 years. What is the…

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Q: Chemistry please explain: what is the difference between the composition of hydroxyapatite and…

A: Answer of the question given below,

Q: 6. Chemical analysis of an unknown compound shows that it contains 64.9% C, 13.5% H, and 21.6% O by…

A: Please find your solution below : Empirical formula of a compound is defined as the simplest whole…

Q: that was isolated from natural sources. Compound A, mp 129-130 °C, is soluble in NaOH solution and…

A: Given compound is soluble in NaOH  thus given compound is phenol.

Q: What mass of calcium chloride, CaCl2, in needed to prepare 2.657L of a 1.55 M solution?

A: Given,  Volume of CaCl2 solution = 2.657L Molarity of CaCl2 solution = 1.55 M Mass of calcium…

Q: Question 23 Which of the following statements is/are true about the equivalence point of a strong…

A: At equivalence point no of moles of acid and base are equal. So, all the strong acid will get…

Q: 1. Caleulate th equilibrium constant at 2s E For thereaction: 2H"+ " + Dacg) = Hzegs2D From the…

A: GIVEN:-

Q: (a) A piston at 6 atm contains a gas that occupies a volume of 3.5 L. What pressure would have to be…

A: We would use gas laws ( Boyle's law , Charles' law , Gay-Lussac's law )  to solve these questions.

Q: A water main that carries a flow of 0.5 MGD has been repaired after a break. The required chlorine…

A: Volume flowing = 0.5 MGD = 0.5 million gallon / day = 2273045 L/day  (1 gallon = 4.546 L)

Q: Provide the suitable reagent / reaction conditions for the following chemical transformation: 1) 2)…

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Q: what volume of

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Q: Name the first nine straight-chain members of the alkene series.

A: First nine alkenes are

Q: 40) Going from the left to right in the periodic table, the size changes among the transition…

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Q: What is the molar concentration of Na+ ions in 0.0350 M solutions of the following sodium salts in…

A: Given:: [NaBr] =0.0350 M  [Na+] = ?

Q: Question 29 Indicate whether EACH statement is true or false A buffer resists pH change by reacting…

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Q: What is the energy of the radiation emitted when an electron in a hydrogen drops from an energy…

A: 13) Given, Electron in a hydrogen drops from n = 6 to n = 4 ninitial = 6 nfinal = 4 Energy of the…

Q: The dissolution of CaCO3 in water is also affected by the equilibrium between the carbonate species.…

A: A question based on equilibrium concept that is to be accomplished.

Q: 1. Calculate the volume of 0.050OM EDTA needed to thrate 26.37 m of 0.074IM MaNO Molar Mass MglNO-…

A: Answer: By using Eriochrome Black T indicator Mg2+ ion can be easily estimated by titrating them…

Q: Question 17 A beaker contains 100 mL of a 2.27 M HCN, 2.27 M CN buffer solution. Then, 25.6 mL of a…

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Q: 2 B (s) + 3 H2 (g) → B2H6 (g) ΔrHº = ??? Use the following information to solve for the enthalpy of…

A: Given, a) 4B (s) + 3 O2 (g) → 2 B2O3 (g) ΔrHº = -2544 kJ/mol b) H2 (g) + 1/2 O2 (g) → H2O (g) ΔrHº =…

Q: The solubility product constant for MX2 is 5.96E-3. What is the molar solubility of MX2?

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Q: Rank the following from greatest molar solubility (4) to the least molar solubility (1). Assign a…

A: If solubility product of the salt is greater then the  ionic product , then solubility occurs .

Q: Calculate the equilibrium constant at 250.0 °C.

A: Given data :

Q: Question 14 If 14.5 mL of 0.245 M HCI are added to 12.80 mL of 0.0619 M LIOH, what is the final pH?…

A: Question 14    pH  = - log [H+]

Q: Calculate the amount of energy required to heat 357 g of ethylene glycol (antifreeze) from 0°C to…

A: Given, Mass of ethylene glycol (m) = 357 g Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: For the redox reaction given below complete the following: 4AI (s) + 302(g) → 2AI2O3 (s) (a) What is…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: Mg + O2 --> MgO NazCO3 --------> Na2O + CO2 C3H8 + O2 ------- CO2 + H2O Al + O2 ------> Al2O3 BaCl2…

A: The answers are given below

Q: Calculate A H for S (s) +02(g) - so3(g) based on the reactions: S (s) + 02 → SO2 (g) 2502 (g) + 02…

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Q: Molarity

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Q: Assume the energy of hydrogen bonds per base pair to be 5.86 kJ-mol-1, Given two complementary…

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Q: Crotonic acid is an organic weak acid. has a pka = 4.69 What is the Ka of Crotonic acid?

A: Given :- pKa for crotonic acid = 4.69  To calculate :- value of Ka

Q: least expensive form of carbon abatement (putting less CO2 into the atmosphere) is A, nuclear power…

A: Abatement means to reduce or to decrease. As it is asking about least expensive form of carbon…

Q: 2. Are the following compounds likely to dissociate, partially dissociate, or not dissociate when…

A: There are different type of substances with different physical and chemical properties. Dissolution…

Q: How many moles of an ideal gas occupy 12.5L at 298K and 1.00atm (1.01bar) pressure?

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Q: Mg + O2 -------- MgO Na2CO3 --------> Na2O + CO2 C3H8 + O2 -----> CO2 + H2O

A: Since you have posted multiple questions, according to guidelines I am solving first three.If you…

Q: a. Calculate the solubility of PbBr, if the Ksp=6.6 x 106 b. Calculate the solubility of PbBr, if…

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Q: A common name for methanol (CH3OH)is wood alcohol. The normal boiling point of methanol is 64.7 °C…

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Q: An uninsulated steam pipe passes through a room in which the air and walls are at 28°C. The outside…

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