What would happen to the retention time of a compoundi

Q: At a certain temperature, Kp for the reaction, F2(g)  ⇌  2 F(g) is 0.000849. Calculate the value o...

A: Forward reaction :  F2(g)  <----> 2F(g)  ; Kp = 0.000849  Backward reaction :  2F(g)  <----...

Q: Which of the following reactions has a negative entropy change? Group of answer choices NH4Cl(s) → N...

A:

Q: • The synthesis of alpha enol derivatives is important since these compounds with appropriate substi...

A: Given : We have to show the following conversion .

Q: At 20.0 °C, the vapor pressure of cyclohexane, a nonpolar hydrocarbon, is 66.9 torr and that of tolu...

A: Raoult's Law states that vapor pressure of a solution formed by volatile solute and volatile solvent...

Q: Balance chemIcal eojuasias NO + H20 2)_ Nig Og + Fe. Ni COH)2+ Fe COH72

A:

Q: : PHASE a) Calculate the number of components, phases and degrees of freedom for a system:  H2 + O2...

A: The system is balanced as :                H2 + 1/2O2 → H2O(l) Since the reaction of hydrogen and ox...

Q: (a) Draw the curly arrow mechanism to show bonds being broken/formed (b) Comment on the polarity of...

A: (a) The curved arrow mechanism is shown below

Q: Aluminium (III) reacts with the Chelating agent HL to give a complex AlL3 that is readily soluble in...

A:

Q: Intensive (2) extensive

A:

Q: The following elementary steps have been proposed to explain the gas-phase decomposition o itrous ox...

A: Given : We have to tell the rate law for the given reactions.

Q: HO PPM

A: The given NMR spectra correspond to the alcohols and iodides with variable number of carbon atoms. 

Q: What quantity in moles of C₂H₅OH are there in 45.0 mL of 0.250 M C₂H₅OH?

A: Given, Molarity of C2H5OH solution = 0.250 M = 0.250 mol/L Note: 1000 mL = 1 L Volume of a solution ...

Q: Topic : PHASE e) What is difference between the triple point and critical point explain with exampl...

A: Part e :-  Triple point :- In phase diagram it is defined as the point of particular temperature and...

Q: What is the molecular weight and empirical weight of butyric acid, the acid that is present in butte...

A: Standard data: The atomic mass of hydrogen = 1.008 u The atomic mass of carbon = 12.01 u The atomic...

Q: Which is the summary of a large amount of scientific information?

A: Scientific Law or say laws of science is based on the behalf of repeated experiments and observation...

Q: Can you now recognize me? Direction: Identify the property of water shown in the pictures below. Wri...

A: The pics given are,  

Q: Match the carbon reservoir exchange with the chemical equation that occurs: + atmosphere-rock exchan...

A:

Q: a) Make a clearly labeled drawing of the bonding orbitals in ethylene (H2C=CH2). b) What is the mech...

A: First question is the drawing of molecular orbital of ethylene molecule where bonding molecular orbi...

Q: (a) The quantum number n describes the. * an atomic orbital and the quantum number e describes its o...

A:

Q: a)Rank

A: According to the question, we need to rank the following in order of increasing size of radius. (a) ...

Q: 3-Explain why the radionuclides of the neptunium decay series are not found in nature

A: Neptunium is a  radioactive natural elements which is often produced artificially.  So the radionucl...

Q: describes them. Color Density in g/cm Melting Point in Substance Kelvin Aluminum Oxidane Xenon Сoppe...

A: Fill in the table

Q: Carbon-hydrogen bonds exhibit a range of different chemical reactivity that depends on molecular str...

A: Primary carbon: A primary carbon is a carbon atom bound to 1 other carbon atoms. Secondary carbon: A...

Q: . The first step is: • Protonation • Deprotonation •   replace 2.2. : B-particle represents: • The b...

A: The mentioned reaction is an example of substitution of hydrogen atom by using an electrophile, whic...

Q: 0.550-gram sample of a nondissociating enzyme was dissolved in water at 25°C to yield 50.0 mL of sol...

A: Using osmotic pressure formula we can calculate molecular mass of enzyme. Formula is -              ...

Q: Suppose a 250. mL flask is filled with 1.8 mol of H,O, 0.30 mol of CO and 0.10 mol of H,. This react...

A: The solution is as follows:  

Q: The vapor pressure of water at 20.0 °C is 17.5 torr. At that temperature, what would be the vapor pr...

A: In your case, you know that the vapor pressure of pure water at 20℃ is 17.5 torr.  This means that a...

Q: Rank the following isomers of C,H18 in terms of their boiling points. 2,4-dimethylhexane octane 4-me...

A: The isomers of C8H18 given are,  

Q: hink about sugar and water as make up of tiny particles. explain what happens when you mix it. use i...

A: Given : We have to explain what happens when sugar dissolves in water .

Q: Draw the line diagram then write out the condensed structure out for the molecule: 2-ethyl-3-hydroxy...

A: Condensed structures can be defined as the structure that is written in a single line. It help us  t...

Q: It is desired to prepare polyester with the number average molecular weight, Mn- 5000 g/mol by react...

A:

Q: 2The reductant in Walden reductor, is a. any first group element O b. metallic silver OC KMNO4 O d. ...

A:

Q: Consider the gas-phase reaction, 2 SO2 + O2 ⇄ 2 SO3, for which Kp = 2.0 at a given temperature. If t...

A: The equilibrium reaction given is, => 2 SO2 + O2 ⇄ 2 SO3  Given: Kp of the reaction = 2.0 Pressur...

Q: A(g)+12B(g)-> 2C(g) 1. Determine the expression for the rate of the reaction with respect to each o...

A: Given: The concentration of C = 3 M Time = 25 s

Q: Detailed information about John Dalton should include some biographical information (socioeconomic b...

A: John Dalton was the youngest of their three offspring who survived to adulthood.Dalton was born into...

Q: Rank the compounds in each group according to their reactivity toward electrophilic substituti 1 = m...

A: Rate of Electrophilic substitution reaction increases if benzene ring is attached to the electron wi...

Q: NH2 HO. HO HO

A: The solution is as follows:

Q: Solutions were prepared to contain 100 grams of each of the following compounds in 1000g of H2O. Whi...

A: Colligative properties: The colligative properties are those properties of solutions that depend on ...

Q: The reaction 2A + 2B → M + N has the rate law: Rate = k[A]2. At 25°C, k = 0.0110 L mol-1 s-1. If the...

A:

Q: v Saved Question 5 (Mandatory) (1 point) What is the Lewis diagram for oxygen? a) b): O : c) • 0 : d...

A: Lewis symbol is written as symbol of element  and putting dots equal to number of valence electrons.

Q: Food rots about 30 times more rapidly at 25 °C than when it is stored at 6 °C. Determine the overall...

A:

Q: 2. What is repulsive interaction between atoms due to?

A:

Q: a) Propose a synthesis route to prepare the following product from the given starting material. Note...

A: The major intermediates and their corresponding reactions by which these are formed are mentioned be...

Q: How many moles of solute particles are present in 1.43 mL of 0.447 M K2SO4?  When you have your ans...

A: Number of solute particles can be calculated from the volume and concentration.

Q: Rewrite this measurement with a simpler unit, if possible. kg-m 4.3 3. m

A: Given measurement is :  Rewrite this measurement with a simpler unit, if possible = ? 

Q: The reaction of sucrose with water in an acidic solution is C12H22011 H20 C6H1206 + C6H1206 + sucros...

A: Concentration remaining after particular time can be calculated for first order reaction using follo...

Q: Balancing PbCl2+AgNo3= Pb(No3)2+ AgCl

A: Balanced chemical equation: Balance chemical equation is the reaction in which number of atoms of al...

Q: The reaction 2A + 2B → M+ N has the rate law: Rate = k[A]². At 25°C, k = 0.0215 L mol 1 s1. If the i...

A: The reaction given is, => Given: Rate law of the reaction = K [A]2  Rate constant, K = 0.0215 M-...

Q: The high specific heat of water explains why climates on land near bodies of water are moderate. wat...

A: Please find your solution below : Specific heat of a substance is defined as the amount of heat requ...

Q: 3..Suggest how to make syndiotactic/isotactic polystyrene on the one hand and on the other hand how ...

A: Isotactic polymers have the side groups attached on one side of the backbone chain whereas the syndi...