Chemistry Question

Q: The experimentally measured density of a bulk material is slightly higher than expected based on the...

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Q: If you give 250 milliliters of liquefied water, a precipitate of 0.0467 grams of calcium oxide, what...

A: Given that: volume of water = 250 mL mass of calcium oxide = 0.0467 g To find: amount of calcium ...

Q: Find the molarity of HC2H3O2 vinegar for sample a, sample b, and sample c. Do not round and remember...

A: SAMPLE A The neutralization reaction for acetic acid with NaOH is, CH3COOH(aq) + NaOH(aq) → CH3COONa...

Q: Explain why the boiling point of B is higher than that of A

A: Compound B is an alcohol i.e ethanol while compound A is aldehyde i.e propanal.

Q: A student dissolves 12.8 g of potassium hydroxide (KOH) in 250. g of water in a well-insulated open ...

A: Energy is released during the reaction then such reaction is called exothermic reaction. If energy a...

Q: Suppose there is a gaseous mixture of nitrogen and oxygen. If the total pressure of the mixture is 4...

A: According to the Dalton's Law of partial pressures the total pressure is the sum of partial pressure...

Q: Which of the following mystery metals can act as a sacrificial anode for an iron pipe?

A: We know that in galvanic cell- oxidation occurs at anode while reduction at cathode The higher the r...

Q: Arrange these elements according to first ionization energy. Highest ionization energy Lowest ioniza...

A: First Ionization energy: Minimum amount of energy required to knock out one electron from the outerm...

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Q: Why is the arrangement of the constituent atoms or molecules more important in determining the prope...

A: Solid Liquid and Gas they are made of Atom and Molecules but atom and molecule rearrangement differ ...

Q: Draw out the mechanism to explain this reaction and predict the products that will result

A: Given reaction is example of sn1 substitution reaction. HBr is acid so first step is protonation of ...

Q: A 50.0 mL portion of a 0.525 M sucrose solution was diluted to 5.00 ×102 mL. What is the molar conce...

A: C1V1= C2V2 Expressed is used to find the concentration of the diluted solution 

Q: What is the number of moles of glucose C6H12O6 in 0.500 L of a 0.40 M solution?

A: Given that  Volume of solution = 0.500L  Molarity = 0.40

Q: 1.Calculate the effect (change) on the chemical potential for liquid carbon dioxide, which had an in...

A: Chemical potential determine the stability of the substances and is directly proportional to the pre...

Q: A certain diprotic acid has a Ka1= 5.87e-4 and a Ka2= 5.55e-9. Calculate the pH of 737mL of a 0.259 ...

A: The pH of a solution measures the acidity or basicity of a solution. If its value is greater than 7,...

Q: Solid PbI2 (Ksp=9.8x10-9) is placed in a beaker of water. After a period of time the lead(II) concen...

A: Solubility product is a equilibrium constant for a solid substance.  Mathematically it is the multip...

Q: Consider the following hypothetical equation.  2 AB3 +  3 C2D --> A2D3 + 6 CB OR 2 A B3 + 3 C2 D ...

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Q: 17.8. Part A A 0.190 M solution of a weak acid (HA) has a pH of 2.91. Calculate the acid ionization ...

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Q: What is the volume (in liters) of a 5.89 g sample of O2 at STP?

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Q: Choose the products that can be made when using an ester as the starting material. You may assume th...

A: BY USING SUITABLE REAGENT WE CAN CONVERT ESTER INTO 1- CARBOXYLIC ACID 2- AMIDE 3- ACID ANHYDRIDE 4-...

Q: Give a detailed mechanism for the reaction utilizing oxygen-18 labeled (18O) 1-butanol and acetic ac...

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Q: Calculate the value of ml for a proton constrained to rotate in a circle of radius 100 pm around a f...

A:                                                               Given, Radius of the circle = 100 pm =...

Q: True or false? A. Phosphorescence occurs at higher energy then fluorescence. B. Fluorescence occurs ...

A: An immediate emission of light radiation absorbed by the atoms or molecules is known as fluorescence...

Q: For the reaction2NO(g) + O2(g)2NO2(g)H° = -114.2 kJ and S° = -146.5 J/KThe equilibrium constant for ...

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Q: Use the References to access important values if needed for this question. How many milliliters of 9...

A: In this question, we want to calculate the volume of HClO4 in mL for 9.69M of HClO4  How to calculat...

Q: Provide the structure of the missing product or reagent/s for the following transformations (6) Cycl...

A: Organic Transformation and Reagent Chemistry 

Q: 1.

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: Write the Ksp expression for the sparingly soluble compound silver iodide, AgI. If either the numera...

A: Since we know that for a sparingly soluble compound  AgI the dissociation into its ions will be comp...

Q: How many bonds does letter c have

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Q: The oxidation state of N in CINO2 is 2+ A O 3.8O 5-CO 5+D O

A: We know that, Sum of oxidation number of each atom in a neutral molecule is equal to 0. So,  

Q: Draw the organic compound J and classify/ name the chemical transformation

A: To find the product of the reaction,

Q: Question 7 of 9 Write the net ionic equation for the chemical reaction shown. Include physical state...

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Q: What volume (in mL) of 0.250 M nitric acid (HNO3) is needed to react with 44.8 mL of 0.150 M Na2CO3 ...

A: In this question, we want to determine the volume of HNO3 in mL. You can see steps how to calculate ...

Q: Which is not correct for scattering Depend on medium particle size None Scattering polarizes the med...

A: Scattering is a phenomenon in which energy waves moves in a straight path and get distributed in dif...

Q: Find the pH during the titration of 20.00 mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka = 1.54 × 1...

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Q: Choose the atom with the highest electronegativity. ON OS P.

A: Generally,  electronegativity is the tendency to hold electron pairs or attract electron pairs 

Q: In the reaction A + B --> C + D, if element A is limiting, then Answer: ...B is in excess Explain...

A: Limiting Reagent : Limiting reagents is the reactants that is totally consumed as the reaction compl...

Q: Hello, can you help me with the attached question?

A: In the given reaction their is formation of rubidium bromide taking place from reaction of rubidium ...

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Q: a) The third law of thermodynamics relates the entropy (randomness) of matter to its absolute temper...

A: Entropy of a system increases with increase of temperature. At absolute zero entropy is minimum. 

Q: Calculate the molarity of an acetic acid solution, HC2H3O2 (aq), if a 25.0 mLsample requires 27.2 mL...

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation ...

Q: What is the heat capacity of 2.00 moles of liquid water?

A: Given: heat capacity of 2.00 moles of liquid water   To find: find capacity of 2.00 moles of liquid ...

Q: answer question b only. Thank you!

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Q: Write the condensed (noble-gas) electron configuration of Cu²⁺.

A: Copper is a transition metal with the symbol of Cu. The atomic number of copper (Cu) is 29. Cu is th...

Q: Use curved arrows to show the formation of this reaction

A: In given reaction,  amine reacts with ketone to form imine.

Q: Identify the number of bonding pairs and lone pairs of electrons in H2

A: Atomic number of Hydrogen is 1 . When teo atoms of Hydrogen combine then it results in element H2

Q: 6. Elemental phosphorous reacts with chlorine gas via the following reaction. If 46.69 grams of P4 r...

A: The question is based on the concept of Reaction Stoichiometry.   We have to identify the limiting r...

Q: Can you help me with this?

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Q: Saturated solution of Fe2S3 is made by dissolving solid compound in water. If [Fe3+] =2.50 x 10-8, c...

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Q: Determine the unknown with the given IR spectra and NMR spectra's

A: step1