How can physisorption be distinguished from chemisorption?

Q: A rock that contains 3.1X10⁻¹⁵ mol of ²³²Th (t1₁/₂=1.4X10¹⁰yr) has 9.5X10⁴ fission tracks, each tr...

A: Given: Number of 232Th atoms in the rock can be obtained by multiplying number of moles of 232Th wi...

Q: Propose a mechanism for the formation of Melmac.

A: Melmac is a thermosetting polymer which is made from melamine and formaldehyde. It is used to make t...

Q: An aqueous waste stream that has a maximum concentrationof 0.50 M H₂SO₄ (d=1.030 g/mL at 25C) will...

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Q: Bubbles of H₂ form when metal D is placed in hot H₂O.No reaction occurs when D is placed in a soluti...

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Q: Identify the following type of biomolecule or biopolymer. Pay attention to whether it is a signle bi...

A: In a biopolymer, several monomeric units form covalent bonds with one another to form large molecula...

Q: Rank the following in order of increasing surface tension ata given temperature, and explain your ra...

A: Surface tension is the energy that is required for increasing the surface area of liquid by means of...

Q: Calculate each of the following quantities:(a) Molarity of the solution resulting from dissolving 46...

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Q: To prove that the reaction of an ester with hydroxide ion is not an SN2 reaction but, instead, forms...

A: The reaction of OH with ester in presence of water is “hydrolysis of ester which can be either acid ...

Q: Identify each substance as an acid or a base and write a chemical equation showing how it is an acid...

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Q: In reference to cloth or fiber, the term acetate usually means cellulose acetate, a semisynthetic po...

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Q: Draw the products formed when attached alkene is treated with HCl.

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Q: Give the ground-state electron configurations of the fol- lowing elements: (a) C (b) Se (c) Fe

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Q: Carbon ring structures are common in organic chemistry. Draw a Lewis structure for carbon ring struc...

A: Given: C6H12

Q: Classify the bond shown in each molecule below as polar or non-polar: (а) CH3- CI (b) CH3- CH3 (c) В...

A: If there is electronegativity difference between the two atoms and it is in the range of 0.5 to 1.6,...

Q: What are the hybridizations of carbon atoms 1, 2, and 3 shown in the model below? H2C = CH - CH3 a. ...

A: The compound given is H2C=CH-CH3. In the above compound, the carbon atom 1 from the left is making t...

Q: Two 25.0-mL samples, one 0.100 M HCl and the other 0.100 M HF, are titrated with 0.200 M KOH.a. What...

A: Titration is done by taking “acid in the conical flask and base in the burette”. Titration is usuall...

Q: B. If the following half-cells are the right-hand elec- trode in a galvanic cell with a standard hyd...

A: Hello. Since the question contains multiple sub-parts the first three parts are solved. In case the ...

Q: When 47.1 J of heat is added to 13.2 g of a liquid, its temperature rises by 1.75 ° C. You may want ...

A: The heat capacity of a substance is defined as the heat required to raise the temperature of one gra...

Q: how many grams are in 5*10^25 O3 molecules

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Q: Name ionic compound. KF

A: In ionic compounds there is a bond between cation and anion.  Tendency of metals to lose electrons g...

Q: A chemist wishes to mix a solution that is12​% acid. She has on hand 8 liters of a 8​% acid solution...

A: Given: 8 litres of 8% acid solution is added to some 16% acid solution to get the desired 12% acid s...

Q: How is alkyne prepared by Kolbe’s method?

A: Alkyne is referred to any chain of unsaturated hydrocarbons having triple bonds such as acetylene.

Q: Define Predicting hybridization from a valid Lewis structure ?

A: Hybridization is a hypothetical concept of mixing of atomic orbitals by linear combination to form n...

Q: Draw all constitutional isomers formed in attached elimination reaction.Label the mechanism as E2 or...

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Q: Chemistry Question

A: The additional concentration of nitrogen in the river water due to the farmer's fertilizer each year...

Q: Stirrer A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine th...

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Q: Which double bonds in (E)-ocimene, a major component of the odor of lilac flowers, can exhibit stere...

A: Ocimenes are a group of monoterpenes, which are isomeric compounds. These are found in a variety of ...

Q: Draw the products of combustion of each alkane

A: Given:  

Q: A 38.6 kg marble slab is shown above. What is its density? Give your answer to the nearest tenth

A: Given: Length of marble = 23.0 cm height of marble = 17.0 cm width of marble = 4.00 cm Mass of cuboi...

Q: Define the term radioactive decay?

A: When any unstable nuclei emits energy in the form of radiations in order to attain stability then th...

Q: Show how the p-nitrobenzoic acid can be synthesized from benzene :

A: The synthesis of p-nitrobenzoic acid from benzene is given as,

Q: The study of sulfur-nitrogen compounds is an active area of chemical research, made more so by the d...

A: First determine the moles of sulfur. Given mass of sulfur is 2.288g. Then determine the moles of ni...

Q: When reversing the direction of a reaction that has a change in enthalpy of 80 kJ you must: double t...

A: enthalpy of a reaction is accompanies the change is enthalpy when reversing the reaction. suppose. w...

Q: You have a piece of gold jewelry that weighs 9 g. Its volume is 0.74 cm3 Assume that the metal is an...

A: Given : mass of jewellery = 9 g And volume of jewellery = 0.74 cm3  

Q: Mr Fast runs 3.7km. Mr Slow runs 630m. How much further does Mr Fast run than Mr Slow?

A: Given distance travelled by Mr Fast is 3.7 km. Distance travelled by Mr. Slow is 630 m.

Q: I need to indicate how the first resonance structure (the one with #4 above it) turns into the secon...

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Q: How many nodes are there in the 1s, 2p, and 3d orbitals? How many nodes are in a 4f orbital?

A: Nodes in orbitals: Zero electron density point in an orbital is known as node. Orbitals consist of ...

Q: Draw the Lewis structures for CO2 and CO, and predict the number of σ and π bonds for each molecule....

A: Lewis structure is the structure of the molecule of a compound that depicts the bonding between its ...

Q: height of a 100 mL graduated cylinder is 24.0 cm what is it in: m inches km feet  show work

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

A: The mass of 1.0 g is equal to 1000 mg. The mass of diamond in g is calculated as shown below.

Q: A chemist determines that 4.20 L hydrogen at 298 K anda pressure of 1.00 atm is required to complete...

A: Given: Volume of hydrogen, V1 = 4.20L Temperature, T1 = 298K Temperature, T2 = 273K Mass of oleic ac...

Q: electric current? 1. Why does an ionic compound conduct an electric current when the compound is mel...

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: write COSY NMR techniques.

A: 2-D NMR method is a set of NMR method which give data plotted in a space defined by two frequency ax...

Q: Which halide in the attached marine natural product reacts fastest in the SN1 reaction?

A: Sn1 reaction depends on the stability of carbocation.

Q: How many grams of nitric acid, HNO3 are required to neutralize (completely react with) 4.30 g of Ca(...

A: Given: Mass of Ca(OH)2 = 4.30 g Molar mass of Ca(OH)2 = 74.09 g/mol Molar mass of HNO3 = 63.01 g/mol

Q: Write equations for the reaction of each compound with BF3, a Lewis acid

A: Concept introduction: Lewis acid: These are substance that donates proton and accepts a pair of nonb...

Q: CN (SYN) Propose how to carry out the synthesis shown here using any reagents necessary. ? CN

A: The following conversion can be carried out in 2 steps as shown below: