che percentage of total annual radiation f

Q: Silver chromate is sparingly soluble in aqueous solutions. The ?sp of Ag2CrO4 is 1.12×10−12. What is…

A:

Q: At the equivalence point? O all of the weak acid, 2,2-dimethylpropanoic acid, is converted to the…

A: 2,2-dimethylpropanoic acid is a weak organic acid. It is colourless, the odiferous organic compound…

Q: is the diphenylmethane generated from friedel-crafts reaction with DCM solid or liquid?

A: Reaction is as below- Diphenyl methane is obtained when excess benzene is treated with DCM in…

Q: Suppose you are collecting a gas over water at 23 °C and obtain a pressure reading of 797.9 mm Hg.…

A: Given: Total pressure of gases = 797.9 mm Hg. And the vapour pressure of water = 21.1 mm Hg.

Q: Which of the following characterizes an alpha ray? Choose all that apply. is less penetrating than a…

A: Alpha Rays : An alpha ray is a positive charged particles  which consists of 2 neutrons and 2…

Q: A solution is prepared at 25 °C that is initially 0.43 M in propanoic acid (HC,H,CO,), a weak acid…

A: Given :-  [HC2H5CO2] = 0.43 M  [KC2H5CO2] = 0.11 M  Ka for HC2H5CO2 = 1.3 × 10-5  To calculate :-…

Q: CEN + ? MgBr (1). LIAIH MgBr b). MgBr c). ) d). LIAKO-t-Bu)3 e) DIBAH

A:

Q: Give 5 differences of Configurational isomers and Geometrical isomers

A: Isomer  have Same molecular  Formula but different arrangement  in 3D space

Q: Be sure to answer all parts. What is the heat change when 81.8 g of water cools from 84.0°C to…

A:

Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of Decay Use in Medical Imaging Isotope…

A: (1) We have to tell the number of protons and the number of neutrons present on the radioactive…

Q: 4. OH OH он 7. CH3 H3C 5.

A:

Q: Draw the following compounds based on their IUPAC Names: 1.   3-ethyl-2,2-dimethyl-3-heptene 2.…

A: 1.   3-ethyl-2,2-dimethyl-3-heptene -  It has main chain of seven carbons, with double bond at third…

Q: how much does the cell potential change when Q is decreased by a factor of 10 for a reaction in…

A: Given , valence factro(v) = 2 T = 298 K Q is decreased by 10 Using Nernst's equation,  E1 = E° -…

Q: QUESTION 36 In a calorimetry experiment, a 1.03 g sample of naphthalene (C 10H 8; heat of…

A:

Q: EFFECTS OF DYES TO THE POSSIBLE SOLUTIONS ENVIRONMENT EFFECTS OF INSECT POSSIBLE SOLUTIONS…

A: Dyes are organic substances and are used to impart colour to various substrates. Insect repellents…

Q: A scientist finds that the air trapped in a J tube occupies the volume of 62. 86 cm3 at 18 bar…

A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…

Q: 9. Provide a mechanism for the following transformation: H,Cro, он HO H,O

A: In presence of H2CrO4 , alcohol is oxidised to acid through the formation of aldehyde.

Q: Draw a structure for the major product in each of the following reactions DBU 'Br

A:

Q: What is the pH of a buffer made from 0.140 mol of HCNO (Ka = 3.5 × 10⁻⁴) and 0.410 mol of NaCNO in…

A:

Q: Na2S2O3 was standardized using primary standard KIO3. A 0.1000 g sample of KIO3 (FW=214.00 g/mol)…

A: Here we are required to find the molar concentration of sodium thiosulphate which was standardized…

Q: Given the coordination compound: [MoCO3(H2O)2][Zn(CN)3OH(en)2]. what is the ligands of the…

A:

Q: 3.4 Propose a stepwise mechanism for the following reaction: CH,OH OCH,CH3 CH2OH OH CH2OH H30 H H H…

A: Detail mechanistic pathway is given below

Q: TRUE OR FALSE The appearance of the blue color in the iodine clock experiment marks the end of the…

A: Here we are required to state whether the statement are correct or incorrect

Q: Complete the table below with information about the different types of dyes. TYPES OF SUITABLE…

A: The answers are  1) protein or polyamide substrate like nylon,wool ,etc. 2) poly acrylonitrile,paper…

Q: A hydrated sample weighing 0.2700 g was shaken with 50.0 mL of anhydrous methanol and titrated with…

A: Solution- Data given-A hydrated sample weighing 0.2700 g, 50.0 mL of anhydrous methanol , 0.0150 M…

Q: Which of the following characterizes a beta ray? Choose all that apply. O is more penetrating than a…

A: Beta rays are  composed of negatively charged particles called beta particles , these are similar to…

Q: A bottle contains 905 grams of chloroform,CHCl3,with a specific heat capacity of 0.96J/(g·ºC). How…

A: Given, Mass of chloroform (m) = 905 g Specific heat capacity of chloroform (Cp) = 0.96 J/g.°C…

Q: What is the reaction of corn oil and sulfuric acid? What happens in Friedel-Crafts Reaction with…

A: Unsaturated fats will react with sulfuric acid to form C-O-S bonds where carbon from oil will attack…

Q: Which of the following processes has a ΔSsys < 0?     A)  steam condenses   B)  methyl alcohol…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: Check the box before each formula that represents a ligand that is likely to form a complex with a…

A: Ligands are the species which  donates lone pair to central metal atom or ion.

Q: A solution contains 0.0140 M Pb2+(aq) and 0.0140 M Sr2+(aq). If you add SO2−4(aq), what will be the…

A: Ion that has lower value KSP , will precipitate first as its ionic product will overcome the KSP…

Q: A Na,CO3 standard solution is prepared by transferring 2.4817 grams of primary standard-grade sodium…

A: Answer:  This question is based on stoichiometric calculation where moles sodium carbonate will be…

Q: ch time is required fc

A:

Q: For each of the following situations, choose the best measuring apparatus that can be used.…

A: The given question discusses about the accuracy of several balance and glasswares in order to make…

Q: What is the absolute configuration of the molecule on the photo?

A: RS nomenclature: The RS nomenclature is an important nomenclature system for denoting the…

Q: Provide the missing reagents for each of the following sreactions: CH2 но он CH NH2 но DFocus ENG…

A:

Q: a) What is capillary electrophoresis used for? b) Describe electrophoresis. c) Describe…

A: Since you have posted multipart of question as per the guidelines i have solved first three subparts…

Q: Thinking/ Inquiry: 3- Identify each reaction as an addition, substitution or elimination reaction.…

A: -&gt;In Elimination reaction leaving group and hydrogen leave and form bond. -&gt;In addition…

Q: 20 K. Compute the A,G under these conditions.

A:

Q: how to solve normality using molarity, volume, and grams?

A: To explain: A relationship between the normality with molarity, volume and mass.

Q: Which would elute first in thin layer chromatography, isatin (1H-indole-2,3-dione) or acetylbiphenyl…

A: TLC separates compounds based on the polarities of the constituents.

Q: 1. OH H. Br 2. HO- 3.

A:

Q: Arrange the following solvents from the least to most solid Ca(OH)2 dissolved: ____ < ____ < ____ <…

A: We have to arrange the given solvents in order of least to most in which solid Ca(OH)2 dissolved.…

Q: A 34.4 g sample of a metal is heated to 99.0 °C and then placed in a calorimeter containing 107.1g…

A: Equation for heat energy ( Q ) is given by,       Q  =  m  ×  C × ΔT  m = mass  C =  heat capacity…

Q: Give 5 differences of organic compounds and inorganic compounds

A:

Q: 4. Write in the product of this reaction: LİAIH4 Benzonitrile ----------->

A:

Q: When the nuclide iron-55 decays by electron capture: The name of the product nuclide is The symbol…

A: Electron capture process in which atomic number decrease by 1 and mass number remains same.

Q: When a 18.1 mL sample of a 0.313 M aqueous hydrofluoric acid solution is titrated with a 0.315 M…

A: Hydrofluoric acid, HF(aq) is a weak monoprotic acid with Ka = 6.6*10-4  Potassium hydroxide, KOH is…

Q: The solubility of Ag,CrO, in water at 25 °C is measured to be 0.022 Use this information to…

A: Given-&gt; Solubility = 0.022 g/L

Q: Determine the equilibrium constant, K.

A: Initial pressure of Cl2 = 3.018 bar Initial pressure of SO2 =1.290 bar Total pressure at equilibrium…