enthalpy

Q: Name the alkene below

A: 1. Select the principle carbon chain 2. Numbering as per the lowest locant rule3. Naming (prefix + w...

Q: A 1.0 L buffer solution is 0.12 M in HNO2 and 0.060 M in KNO2. Which action destroys the buffer? Par...

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Q: Chemicals Benzophenone Sodium borohydride Benzhydrol Amount 0.523 g (.... mol) 0.12 g (.... mol) 0.3...

A: Number of moles of any substance is the ratio of mass of substance to molar mass of that substance. ...

Q: Which of the following is a Brønsted-Lowry base? Ο ΝH3 О ССЦ О НF O I2 None of the above are Brønste...

A: A Brønsted-Lowry base is a proton acceptor whereas Brønsted-Lowry acid is a proton donor.

Q: What is the ΔHsoln for KF?

A:

Q: II. Complete the table on HYDROCARBONS. Give the name of the hydrocarbons depending on the number of...

A: The Hydrocarbons Alkane , Alkene and Alkynes are given in tabular form as below:

Q: 8 https://openvellum.ecollege.com/course.html?courseld=16914186&OpenVellumHMAC=c662ec09ac8023bd1b971...

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Q: calculate the percent yield if 1.22 g of copper is produced from 5.60 g of copper(II) sulfate and ex...

A: Given reaction is                                     Zn(s)            +            CuSO4(aq)     ...

Q: Consider the titration of 20.00 mL of 0.1145 M sodium azide (NaN3) with 0.1250 M HCl. The Ka of HN3 ...

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Q: 08 8 7 LO R %24 Ellucian Experience X fn Course: 21F 67914 x *colloids.pdf X PDE Test 2 Lecture 8.pd...

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Q: Calculate the change of enthalpy for the reaction 2Al (s) + 3CI2 (g) --> 2AICI3 (s) from the followi...

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Q: Draw the product of the reaction shown below. Ignore inorganic by products

A: This type of reaction is called catalytic Hydrogenation reaction inwhich hydrogen gas adsorb on meta...

Q: Give the equation for a saturated solution in comparing Q with Ksp- O Q Ksp O Q * Ksp O none of the ...

A: To solve this problem we have to explain the relationship between Q and Ksp . 

Q: II Revie Suppose that in an alternate universe, the possible values of l are the integer values from...

A: Given that, For value of n, posible value of l= 0 to n instead of 0 to (n-1) then,  

Q: 1. How does soap work to remove oil from your hands?

A: Note : According to our guidelines we are supposed to answer only one question.  Kindly repost other...

Q: 0.250 g of magnesium reacted with 2.00 M HCl to yield 355 mL of gas collected over water at 20°C. Th...

A: The net ionic equation is written after eliminating the spectator ions form complete ionic equation:...

Q: A block of wood 22.0 cm x 180 mm x 0.057 mm has a mass of 1.426 x10^3 grams. What is the volume of t...

A:   • The values provided in the question are:-   i) Length of a block of wood, l = 22.0 cm  ii) Width...

Q: b) For the compounds shown below, circle the one that would be the strongest proton base; underline ...

A: Justification for b) It is said that in Organic Chemistry if a base is strong then it's conjugate ac...

Q: How many moles of gas are contained in a compressed air tank for scuba diving that has a volume of 5...

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Q: Fill in the following tables using these steps to convert a molecular formula to a molecular shape. ...

A: Since you have posted question with multiple subparts as per guidelines we are allowed to solve thre...

Q: 1. Which of these will undergo a rearrangement during the reaction 2. For reaction D - is HBr the nu...

A: Please see the attachment. 

Q: Based on the following reaction, the resolution step provides a maximum theoretical yield of alcohol...

A: Organic reaction.

Q: b) For the compounds shown below, circle the one that would be the strongest proton base; underline ...

A: Acid is a substance which can easily lose proton or accept hydroxide ion or accept lone pairs of ele...

Q: How many grams of H2 are produced (assuming 100% yield) when 68.9 g of Al reacts with 196 g of HCl. ...

A: Consider the given information is as follows; 2Al     +     6HCl    →     2AlCl3    +     3H2       ...

Q: HO O3 H2O + (H,O2)

A:

Q: he question is in the image.

A: Given : We have to tell which factor will affect only third reaction.

Q: Review I ConstantsS Periodic Table Part A Note on the left that the color is deep pink in the interi...

A: Part A)  Correct option is 4th statement.  Because the probability of finding the electrons at the i...

Q: A 30.0-mL volume of 0.50 M CH3COOH (Ka = 1.8 × 10-5) was titrated with 0.50 M NaOH. Calculate the pH...

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Q: Which of the following ions will react with water in a hydrolysis reaction: Na", Sr, Al", F, I, so,"...

A: The ions that are able to form a weak hydroxide with water undergo hydrolysis reaction to form the s...

Q: A saturated solution of barium fluoride, BaF2, was prepared by dissolving solid BaF2 in water. The c...

A:  

Q: How do I draw  VSEPR for SiO2 and CBr2O. Electron geometry ,molecular geometry, and polarity for CBr...

A: Molecular geometry and electronic geometry will be same because there is no lone pair present on cen...

Q: A 0.610 mol sample of methane gas occupies a volume of L at STP.

A: Given that, Number of moles of methane= 0.610 mol then,  

Q: How many grams of a solution that is 5.2 % sucrose by mass are needed to obtain 18 g of sucrose

A: In this case, we have 5.2% of sucrose by mass it means that in 100 g of the solution we will have 5....

Q: (aq) + CO2(g) + H2O(I).

A: Concentration(M) of HCl = 0.08586 M Volume(V) = 169 mL = 0.169 L Moles = M × V   = 0.08586 × 0.169 =...

Q: ess How many milliliters of water have to be added to 249.4 mL of 0.27 M HCI to reduce the concentra...

A: In dilution number of moles alwase conserved so we use M1V1 = M2V2

Q: For each of the following reactions give their major product

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Q: Sometimes in lab we collect the gas formed by a chemical reaction over water (see sketch at right). ...

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Q: What volume in mL of 0.220 M HBr solution is required to produce 0.0210 moles of HBr?

A: Number of moles = Molarity (mol/L ) × Volume( L)

Q: Calculate the packing efficiency of a body centered cubic structure.

A: Calculate packing efficiency or packing fraction of bcc ?

Q: A block of wood has a mass of 1.426 x 10^3 grams and volume of 2257.2 cm^3 What is the density of th...

A: Mass of wood = 1.426 x 103 g Volume = 2257.2 cm3 = 2257.2 ml

Q: What is the value of the equilibrium constant K. for the following reaction at the temperature of th...

A:

Q: 7. What are the conjugate base and conjugate acid for HSO, ? What is the term used to describe speci...

A: Conjugate acid is formed when we add protons to a base and conjugate base is formed when proton is r...

Q: A 25.0-mL sample of 0.150 M hydrazoic acid is titrated with a 0.150 M NaOH solution. What is the pH ...

A: The explanation is given below-

Q: 50.0 mL of a 0.100 M hydrochloric Watch the animation and observe the titration process when a stand...

A: Given: Titration of HCl using NaOH. Concentration of HCl = 0.100 M Volume of HCl solution taken = 50...

Q: A volume of 100 mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the follo...

A: The neutralization reaction between HCl and NaOH is  NaOH +HCl ---->> NaCl + H2O  So same mole...

Q: Provide IUPAC name for the compound below HO.

A: 1. Select the principle carbon chain with maximum substituent groups.2. Numbering as per lowest loca...

Q: HO OH HO OH HO \OH HO OH čO,H ČOH ČO,H

A:

Q: A) In the boxes provided, rank the following in order of basicity (ability to react with H*). 1 = mo...

A: More stable anion have less basic character and less stable  anion have more basic character

Q: Consider the titration of 20.00 mL of 0.1145 M sodium azide (NaN3) with 0.1250 M HCl.  The Ka of HN3...

A: Given,  Volume of sodium azide (NaN3) = V1 = 20.00 mL  Molarity of sodium azide (NaN3) = M1 = 0.1145...

Q: Show an arrow pushing mechanism for the following, show intermediates and add lone pairs

A: Given: