HCI ÇI

Q: In an underground natural gas reserve, a bubble of methane gas, CH, has a volume of 55.0 mL at 1.60 ...

A: NB: As per guidelines we have to solve the first questions only.  bubble of methane gas,has a volume...

Q: Balance CH2O + KMnO4 = _______________________ under neutral conditions

A: The balanced chemical reaction is 

Q: AgNO3 + NaCl --> AgCl + NaNO3 Is it a redox (Y/N)  What is reduced?  What is oxidized?

A: Given reaction is, AgNO3 + NaCl --> AgCl + NaNO3

Q: Complete the MO diagram (below) to determine if BN is Paramagnetic or Diamagnetic

A: In a given question, we have to find out the magnetic nature of BN Molecule by using MO diagram.  In...

Q: What is the coordination number for each of the following complexes or compounds? [Fe(gly)2(H2O)2]+...

A: According to Werner, the oxidation number and coordination number of M in a complex are called prima...

Q: 5. Arrange the following in decreasing boiling point (Highest first, lowest last) butanoic acid, pro...

A: The temperature at which the vapor pressure of the liquid is same as the external atmospheric pressu...

Q: Which of the following structures is based on the cubic close-packing of cations?

A: Out the given compounds, CsCl is based on the cubic close-packing of cations. The Cs+ or Cl- ions si...

Q: How many stereoisomers exist for octahedrally shaped complex MA4(en), assuming A is monodentate liga...

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Q: A. From the following pairs of coordination complexes, identify the one that is a pair of ionization...

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Q: The molecule bromine monofluoride has a dipole moment of 1.42 D and a bond length of 176 pm. Calcula...

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Q: Use the Nernst equation to calculate the actual cell potential of a galvanic cell under the followin...

A: The reduction half cell reaction is, The oxidation half cell reaction is, Zn2+(aq) + 2e-⇌Zn(s)     ...

Q: ___Ba(OH)2(aq) + ___CH3COOH____ ----> 1_____(aq) +___ ______ ___   How many chemical species will ...

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Q: Solute S has a partition coefficient of 4.0 between water (phase 1) and chloroform (phase 2) in K = ...

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Q: HCl + NaOCl --> NaCl + H2O + Cl2 Is it a redox (Y/N)  What is reduced?  What is oxidized?

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Q: 9. Small quantities of hydrogen gas can be prepared in the laboratory by the following reaction: Zn ...

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Q: Which of the following is a correct set of quantum numbers for an electron in a 4s orbital? On=4,1= ...

A: In this question, we will see the correct quantum numbers for 4s orbital.  You can see below details...

Q: Calculate the pH at 25 °C of a 0.46M solution of sodium propionate (NaC,H,CO,). Note that propionic ...

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Q: Calculate the vapor pressure al 25.0 °C of a solution that has 11.5 g urea, CO(NH), dissolved in 250...

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Q: 4. Label the bond angles in this molecule: d. 14 a C-H а. b. C. d. エーJージ -C-ニ

A: The bond angles depend upon the bond pair-bond pair interaction, electronegativity, bond length and ...

Q: If the rate law for a reaction is Rate = k [A].[B]2. Which of the following will cause the value of ...

A: Since you have posted multiple question we will solve the first question for you. To get the remaini...

Q: If the absorption peak(s) was present in the IR spectrum, fill in the approximate wavenumber(s). If ...

A: We have to predict the presence of certain groups and its wavenumber.  

Q: solve d,e,f in detail

A: All three are Paal Knorr synthesis of Thiophene, Furan & pyrrole respectively. You can easily un...

Q: Q5) Determine the empirical formula of a compound that has (by mass) 85.7% carbon, 14.28% hydrogen. ...

A: By mole ratio method we can calculate the mole of Cl2  1 mole of SiCl4 produce by 2 mole of Cl2

Q: The solubility product, Ksp, for Aluminum hydroxide, Al(OH)3, is 1.9e-33 at 25°C. What is the molar ...

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Q: A metal alloy consists of two types of metal atoms, A and B. There are two A atoms on every face of ...

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Q: Predict the effect of increasing the pressure by decreasing the volume on the following equilibrium:...

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Q: Provide an acceptable name for the compound below. HO ČHCH,CH3 Spell out the full name of the compou...

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Q: 35 grams of N2 is added to 3.5 grams of H2  in the reaction                           N2    +    H...

A: Given reaction is,  N2    +    H2    ----------->       NH3 Mass of N2=35g Mass of H2= 3.5 g  

Q: If a sample of gas at a pressure of 6.91 atm occupies a volume of 56.3 L, determine the volume of th...

A: As we know, P ∝ V  Where, P = pressure V = volume P1V1 = P2V2   

Q: If the pressure and temperature of the gases are all the same, which of the following gases would yo...

A: We have to predict the gas having highest density.  

Q: 1. What is the essence of determining the heat capacity of the calorimeter? Is it possible to replac...

A: 1. To determine the essence of the heat capacity of the calorimeter.

Q: The combustion of 1.00 mol of glucose, CeH1206, liberates 2.82 x 10 kJ of heat. If 1.25 g glucose is...

A: Given that : Heat liberated by 1.00 mol of glucose = 2.82 x 103 kJ The mass of glucose used = 1.25 g...

Q: 8.0° NaOH Ethanol

A: Given reaction is aldol condensation reaction.   

Q: Draw the structure of the following:

A:   Optically active polyhydroxy carbonyl compounds are called " carbohydrate "  Classification of ca...

Q: Tartaric acid is found in many fruits including grapes. Tartaric acid is partly responsible for the ...

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Q: Between trans-2-tert-butylcyclohexanol and cis-2-tert-butylcyclohexanol, which stereoisomer and conf...

A: First we have to make stable chair conformation of both the molecule  a . Trans -2- tert-butylcycloh...

Q: The rate constant for a certain first-order reaction is 0.40 min-1. i) Calculate the initial rate in...

A: For the first order reaction   Initial rate = rate constant x initial concentration of compound = K[...

Q: Each row of the table below describes an aqueous solution at about 25 °C. Complete the table. That i...

A: pH of solution can be expressed as -log[H+]  

Q: a sample contains 82.6 mmol of Mg(C^2H^3O^2)^2. How many moles(mol) of oxygen are in the sample?

A: We have to calculate the moles of oxygen.  

Q: 2. For the following reactions, name and draw the organic products. Be sure to indicate if there is ...

A: Organic reactions are the chemical reactions that are undergone by organic compounds (the chemical c...

Q: Why do many of the transition elements in Period 4 form ions with a 2+ charge? Answer by selecting a...

A: 1) --》 option second and third correct. 4d series has  4S2  outer shell configuration and ionize fir...

Q: why do tertiary alcohols ionize readily in acidic media

A: Any molecule will readily ionize if the ion generated is a stable one.  We can look at the tertiary ...

Q: Calculate the concentration of Ag*, if the sparingly soluble salt Ag2CO3 is added to a 0.40 M N22CO3...

A: Given: The Ksp of Ag2CO3 = 8.10×10-12 We have to calculate the concentration of Ag+ if the sparingly...

Q: Determine the heat lost by the hot water: (assume density of water = 1.00 g/ml and the specific heat...

A: We have to calculate the heat lost by hot water.  

Q: 5-ethyl-2-octanone 4-ethylheptanoyl chloride O CH3LI O CH3MgBr O (CH3)2CuLi O 1. Mg/ether 2. CH3Br O...

A: Here we have to convert acid chloride group to Ketone group. Gillman reagent ( R2CuLi ) is best choi...

Q: A sample of a radioactive substance has an initial mass of 563.6 mg. This substance follows a contin...

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Q: According to hard-soft acid-base theory, which pair below would preferentially bind to PbS surface? ...

A: A species is a hard or soft, acid or base is decided by its size and charge. It depends on its polar...

Q: A gas sample collected at 35.0°C and a pressure of 710 torr has a volume of 200 mL. The temperature ...

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Q: Which of the following can be used to find moles in a stoichiometry calculation? a. The molarity of ...

A: We know, for ideal gas equation-  PV = nRT  Where, P = pressure  V = volume  R = universal gas const...

Q: E. J. Corey used the following reaction in a synthesis of thromboxane B2. Draw the product of step 3...

A: Step 1: Enolate generation. Step 2: aldehyde addition to enolate.

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.