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Q: What is the N of HCl if 25.00 mL of it is required to neutralize 0.3000 g of pure Na2CO3 (MM 105.99 ...

A: Acid reacts with base to form salt and water. The given acid is HCl ad base is Na2CO3. Write the com...

Q: Q1: If you know that the half-life of a radioactive element is equal to 20 days, find the following:...

A: Radioactive active decay generally follows a first order reaction and therefore, the rate of disinte...

Q: The solubility product (Ksp) for AgBr is 5 x 10-13. What would be the concentration of soluble silve...

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Q: 4. Draw three possible resonance structures of the following molecule.

A: Resonance structure:If the Lewis structure of a molecule or ion cannot explain by a single structure...

Q: Directions: Be sure to Equation for questions 1-2: NO + 0, -> NO, 1. How many grams of NO, would for...

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Q: How many moles of O2 will react with 42.5 moles of Fe, and If you need to make 1.56 moles of Fe3O4, ...

A: In this question, we have to find out the correct answer of given problem by the help of "Unitary me...

Q: An aqueous solution has a pH = 11 What is the concentration of hydroxide ions in the solution?

A: pH is a scale to measure the concentration of hydrogen ions. The negative logarithm of hydrogen ion ...

Q: A buffer solution consisting of 0.15 moles of ammonia dissolved in half a liter of water. How much a...

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Q: Calculate the volume (ml)of concentrated ammonia and the weight (gm) of ammonium chloride respective...

A:   The question is based on the concept of buffer solution.   A buffer is a solution which resist any...

Q: For the most stable conformation of trans-1,2-dimethylcyclohexane1. One methyl with occupy an axial ...

A: The open-chain structure of trans-1,2-dimethylcyclohexane is as follows:

Q: Determine the molecular formula and draw the molecular structure of the first 5 of the family of Aro...

A: In this question, we have to find out the correct answer of given problem by the help of "Aromatic h...

Q: A 0.030 M solution was prepared by dissolving potassium valinate in 1 L of water. What is the pH of ...

A: pH is defined as the negative logarithm of hydrogen ion concentration present in the solution. pH = ...

Q: 4-Chlorobut-1-ene is the name of which among the following alkenes?

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Q: It was found that 25 ml of a sodium hydroxide solution, which per liter contains 4 g of commercial c...

A: Sodium hydroxide NaOH, also known as caustic soda commonly, is a strong monoprotic base. This indica...

Q: 1. (a) A solution of NaCl is prepared by dissolving 0.0056 g NaCl with enough H2O in a volumetric fl...

A: Solution 1- Concentration is calculated in terms of molarity =number of moles of solute /volume of s...

Q: A strong acid-strong base titration was performed as follows: 10.00 mL of 0.10M HCl were collected i...

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Q: 3. If 26.22 mL of 0.100 M NaOH is used to titrate 25 mL of acetic acid, what was the M of acetic aci...

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Q: C is for degrees celsius [see image]

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Q: If 10.32 ml of 0.0523 M S2O3 2- reacts with I2 in a sample of PVP-I solution, how many grams of I2 a...

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Q: Order the following in terms of concentration, with 1 being the least concentrated and 4 being the m...

A: Concentration is expressed in molarity (M) Molarity is defined as the number of moles of solute diss...

Q: Prepare a solution of sodium chloride by dissolving 5 g of it in 500 ml of distilled water. Express ...

A: Concentration: It is the parameter to calculate the amount of solute that is getting dissolved per v...

Q: Diamond is one form of an elemental carbon. An engagement ring contains a diamond weighing 1.25 cara...

A: Given, Diamond is one form of an elemental carbon and an engagementring contains a diamond weighing ...

Q: Why was natural gas flared-off (burning) and not considered a source of energy, a few decades ago?

A: Flare off means to burn something and allow it to go into the atmosphere. It consists of methane, hi...

Q: 35. Please refer to the attached photo. Thanks!!

A: According to Le-Chatelier’s principle, if any change is made to an equilibrium then the position of ...

Q: A solution contains 8.49x10 M sodium carbonate and 9.73x10 M potassium hydroxide. Solid calcium nitr...

A: Precipitation reaction: Reaction in which some substance in form of precipitate is formed by settlin...

Q: Could you help me with this question? I don't know where to start. All the information has been prov...

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Q: The value of AHtransition of C(graphite)-C(diamond) is 1.9 kJ/mol at 25 °C. Entropy of graphite is h...

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Q: Based on the table shown below, which metal would be able to replace lead in a solution PbCl of 2(aq...

A: According to reactivity series for metals , metal of a compound   are replaced by higher reactive me...

Q: In 1859, Gustav Kirchhoff showed that the D line in the sun’s spectrum was due to the absorption of ...

A: We have given that Wavelength (λ) = 589 nm = 589×10-9 m And we have asked 1) Frequency (ν) =  ? 2) ...

Q: A buffer solution consisting of 0.15 moles of ammonia dissolved in half a liter of water. How much a...

A: Given data, Moles of NH3 = 0.15 moles Volume of water = 0.5L pH = 9.4 Kb of NH3 = 1.8 x 10-5 Molecul...

Q: Use the Pauling Electronegativity values to determine which of the bonds below is the most polar. N...

A:   More is  the difference in the electronegativity between atoms , the more polar bond is there .

Q: 5.There are two important methods that are used to prepare alkenes: they are:. and .. ..

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want...

Q: For a nitrate ion selective electrode, the selectivity factor for nitrite over nitrate is 0.062 and ...

A: First calculate percentage of Nitrite present in Nitrate; 0.062×100=6.2% And percentage of perchlora...

Q: The osmotic pressure of a saturated solution of CuCl at 25°C is 41 torr. What is the solubility prod...

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Q: A reaction was carried out between 18 ml of a 0.05 M solution of hydrochloric acid with 24 ml of a 0...

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Q: The equation of the synthesis of [Co(NH3)4CO3]NO3 is : 2Co(NO3)2 . 6H2O + 2(NH4)2CO3 + 6NH4OH + H2O2...

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Q: Following titration analysis, a sample of a fruit juice was found to contain 8.9 mg cm-3 ascorbic ac...

A: Given data: Amount of ascorbic acid in the sample = 8.9 mg/cm3 Molecular weight of ascorbic acid = 1...

Q: . Write out the mathematical equation used for the heat of neutralization for an acid base reaction ...

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Q: Which equation shows a decomposition reaction? + 0 4(g) 2(g) COe) + H,Og» CH, 2(g) CaO, + CO + CO. →...

A:  OPTION a) Combustion Here methane (CH4) burns in presence of oxygen to form carbondioxide and water...

Q: What is the best name of the following molecule CH3 H3C CH3 H3C CH3 CH3 5-cyclopropyl-4-ethyl-2,2,3-...

A: Rules for naming organic compounds is as follows; Select the continuous longest chain. Numbering wi...

Q: Prepare a solution of sodium chloride by dissolving 5 g of it in 500 ml of distilled water. Express ...

A: Given data Mass of sodium chloride = 5 g  Volume of water =500 mL = 0.500 L ------------------------...

Q: Prepare a solution of sodium chloride by dissolving 5 g of it in 500 ml of distilled water. Express ...

A: 'g/L' means gram/Litre. 'ppm' refers to parts per million. 'ppb' refers to parts per billion.

Q: When work is done on a system (+ΔG) to bring it into an ordered state (-ΔS), of the following is tru...

A: In this question, we have to find out the correct answer of given problem by the help of "Gibbs free...

Q: 4. Draw a second resonance structures of both cinnamaldehyde and cinnamic acid H cinnamaldehyde ore.

A: Delocalisation of electrons in a molecule is termed resonance. In this, the chemical interaction is ...

Q: 33. Please refer to the attached photo. Thanks!!

A: Amphoteric Substances are those Substances which can react with acids as well as bases to give their...

Q: Consider the reactions described below. Classify each as one of the four categories of reactions (sy...

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Q: NOMEINCLAIURE The IUPAC name of the following compound is 1. H,C-CH-CH--CH, CHO (a) 3-ethyl-2-methyb...

A: The IUPAC name of the given compound : 2,3 Dimethylpentanal

Q: The pH and Kh of 0.1N NH4Cl solution, if Kb for NH4OH at 25°C is 1.8x10-5 will be respectively equal...

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Q: 3 pts) Predict the number of signals expected and state their splitting pattern in the 1H NMR spectr...

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Q: A weak acid- strong base titration was performed as follows: 10.00 mL of 0.10 M acetic acid were col...

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