true or false  An atom is said to be a charged ion when the ratio of protons to neutrons is unequal.

Q: what are the equivalents for vanillin, oxalyl chloride, triethylamine and the dvo ? OH D + CI NET3…

A: In order to determine the equivalence of reactants used and product formed, it is very important to…

Q: If you have 400.0 mL of a 0.2000 M solution of fictitious weak acid HA (pK a = 4.5350), how many…

A: Volume of buffer solution= 400.0 ml  Molarity of acid = 0.2000 M  pKa of acid = 4.5350  pH of…

Q: The pOH of a basic solution is 5.09. What is [H⁺]?

A: pH is equal to negative logarithmic value of hydrogen ions concentration

Q: A solution contains 6.49x10-3 M potassium sulfide and 1.15x10-2 M sodium carbonate. Solid…

A: [K2S] = 6.49×10-3 M   [Na2CO3] = 1.15×10–2 M

Q: A buffer is prepared by adding 907 mL of 0.432 M HCl to 1140 mL of a 1.50 M NaCNO solution. What is…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Calculate the pH at 25°C of 223.0 mL of a buffer solution that is 0.270 M NH4Cl and 0.270 M NH3…

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Q: An electrochemical cell is based on these two half - reactions   Ox : Pb(s) -> Pb ^ 2 (aq, 0.20…

A: Oxidation : Pb(s)  → Pb2+(aq, 0.20molL-1) + 2e-    ; E°anode= -0.13V --------(1) Reduction : MnO4-…

Q: According to the Cahn-Ingold-Prelog (CIP) priority rules system in assigning E and Z configurations…

A: Rules for assigning priority:  1. We have to look the first attached atom, higher atomic number…

Q: The transformation above can be performed with some reagent or combination of the reagents listed…

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Q: A student is making a titration curve. To do so, they added 10.00 mL of 0.0910 M HCl to a flask.…

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Q: 3. a. Find the pH of a solution that is 0.25 M NH, and 0.10 M NH.CI given that the K. for NH" is…

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Q: The following thermochemical equation is for the reaction of CO(g) with O₂ (g) to form CO₂ (g).…

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Q: Data MCP0.0 s to Hq adTollim ED.S ad of brug Has anleg A student is trying to identify a weak acid…

A: We have find out the solution.

Q: can you please check the sig-fig please

A: Rules for determining the number of significant figures in an answer : The result of an addition or…

Q: assify each species as a Lewis acid or a Lewis base. NH3 Co³+ Lewis acid CO₂ B(OH)3 Answer Bank S²-…

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Q: For the aqueous ; [Hg(NH3)]²* complex K,ƒ= 1.91 × 10¹⁹ at 25 °C. 2+ Suppose equal volumes of 0.0086M…

A: The question is based on the concept of chemical equilibrium. we need to calculate equilibrium…

Q: Question 1 11.08 g of liquid methanol (CH3OH) is burned in excess oxygen gas according to the…

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Q: Based on the liquid-vapor curve shown below, what is the composition of the distillate collected for…

A: Given curve is a liquid-vapour curve. The upper curve denotes the vapour phase and respective…

Q: Given AH = -19.4 kJ/mol and AS° = +92.3 J/mol K, determine AG° for the phase change CO₂(g) → CO₂(aq)…

A: The question is based on the concept of chemical thermodynamics. we need to calculate free energy…

Q: Which sugars and classifications are correctly matched? CH₂OH CHO :0 HO-H H-OH HO-H CH2OH от al…

A: It is based on the concept of the carbohydrate  Here we are required to find the correct match sugar…

Q: B. Ph Cl2, HOEt

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: HD Figure 9-3 НД D D заво зав зав H A k+-oc(CH3)3 BY D Д It

A: For the above given reaction of alkyl halide with potassium ter-butoxide will lead to the E2…

Q: Calculate the pH for each of the cases in the titration of 35.0 mL of 0.240 M KOH(aq) with 0.240 M…

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Q: H3C H3C Metaphosphoric Acid CH3 KOCH3, CH3ОН

A: In presence of nucleophile, epoxide ring undergo ring opening reaction by breaking one C-O bond of…

Q: Consider the following reaction where K, 34.5 at 1150 K 250) O 250g) A reaction mixture was found to…

A: if Qc = Kc ;  reaction is at equilibrium , no net reaction Qc > Kc. Backward(reverse) reaction…

Q: Water at 65°F and 20 psia is mixed steadily with saturated water vapor at 20 psia in an insulated…

A: Water temperature: T_cold = 65°F Water pressure: P = 20 psia Saturated water vapor pressure:…

Q: Why do ionic solids NOT conduct electricity but ionic solids dissolved in water (aq) do conduct…

A: To solve this problem we have to know about electrical conductivity.

Q: Arrange these compounds in order of increasing acidity. (most acidic last) 1. CH₂CHCICO₂H II.…

A: The carboxylic acid is a acidic compound because in (-COOH) group there is hydrogen attached to the…

Q: Define the difference between a polar and non-polar covalent bond. How do you determine if a…

A: Difference between a polar and non-polar covalent bond - In non polar covalent bond electrons are…

Q: Write down the common (not IUPAC) names of the organic molecules that would be released if this…

A: •Here a compound is given which is called "triglyceride". •This compound on hydrolysis gives…

Q: A 100.0-ml, buffer solution is 0.170 mol L¹ in HClO and 0.165 mol L¹ in NaCIO. K₂ (HCIO) = 4.0 x…

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Q: Consider Compound I. Is this an E or a Z isomer? Z H3COOC O NEITHER ΟΕ C FC CN HOH₂C I CH,NH(CH3)2

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Q: what is the product for the following reaction? please show all the steps and mechanism Zer H CF3COO

A: The given reaction describes the reaction of aldehyde with the peracids and this reaction is…

Q: You are working in a chemistry laboratory and want to determine the mechanism for the following…

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Q: HNMR 11 10 HSP-03-935 9 8 5 ppm lad 2

A: The question is based on the concept of organic spectroscopy. we need to analyse the spectra data…

Q: Given are the following for acids: (A) Acetone, pK₂ = 19.3 (B) Phenol, pKa = 9.9 (C) Ethyl…

A: pKa is a measure of the acidity of a compound. It represents the negative logarithm of the acid…

Q: Draw the major product of the substitution reaction shown below. Ignore any inorganic byproducts. Br…

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Q: Draw a structural formula of the S configuration of the compound shown below. H₂N NH₂ . Use the…

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Q: Write the acidic equilibrium equation for HC₆H₅CO₂. Be sure to include the proper phases for all…

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Q: This energy diagram shows the allowed energy levels of an electron in a certain atom. (Note: the SI…

A: Answer: The lowest energy level of the electron is known as a ground state and all the higher energy…

Q: See Figure 9-1. The major product of reaction 1 is [Select] The minor product(s) of reaction 1 is…

A: Answer:- This question is answered by using the simple concept of chemical reactions of alkyl…

Q: An excited hydrogen atom with an electron in the n = 5 state emits light having a frequency of 2.34…

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Q: Why was a plastic coffee cup used as a reaction vessel? What error might have been introduced into…

A: The question is based on the concept of calorimetry . we need to explain the reasoning for using…

Q: та Ill till ОН 1. МСРВА, CH2Cl2 2. DBU, PhH О OH II H IIIIIO ОН

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Q: The kinetics of a gas phase reaction of the form A → Products results in a rate constant of 1.308 M¹…

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Q: Most carbon atoms consist of 6 protons and 6 neutrons. Similarly, the vast majority of oxygen…

A: The atomic number of an element is the number of protons or the number of electrons. The atomic mass…

Q: Guar gum is a complex polysaccharide used by the food industry as a stabilizer in salad dressings,…

A: This problem is based on carbohydrates which is a subtopic of biochemistry.

Q: Complete the following problems and show all work when necessary. Be sure to show the correct number…

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Q: Draw the major product of this solvolysis reaction. Ignore any inorganic byproducts. Drag To Pan…

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Q: How many grams of potassium lactate (C3H5O3K) need to be dissolved in 129 mL of a 1.71 M lactic acid…

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Group 14 Elements

The following elements come under group 14 of the periodic table.