e total number of valence electrons in each molecule shown here: Η :Ο: Η Η H :I-C-H H Methyl iodide H-C-C-C-C-H II HH H Ethylmethylketone

Q: Phosphoric acid is a triprotic acid (Kal = 6.9 x 10-3, K₁2 = 6.2 x 10-8, and K₁3 = 4.8 × 10-13). To…

A: First, we have to find the value of pKa of phosphoric acid that should be used to calculate the pH…

Q: Write the correct molecular formula for a molecule that has 4 Oxygen atoms, 2 Potassium atoms and 1…

A: 1.Molecular formula is the  short representation of molecular  which represents actual number of…

Q: ΙΠΠ If two atoms of two different elements have the same number of valance electrons, 22 what does…

A: The electrons which are those present in outermost orbital of an atom are called as valence…

Q: The standard enthalpy change for the following reaction is 581 kJ at 298 K. ΔΗ° = 581 kJ SnO₂ (s)…

A: Change in enthalpy is an extensive property. Means its value depends on the amount of matter.…

Q: 4. a. b. C. d. For the reactions below, choose an appropriate reagent for the transformation. OH…

A: 4) a) mCPBA ( C7H5ClO3 ) b) H2/pd/BaSO4 c) KMnO4 d) O3 , Zn/H2O

Q: The compound is initially at 175°F. If the pressure is constant at P = 1 atm throughout the process,…

A:

Q: Question 10 4 According to the troubleshooting section for column chromatography in the laboratory…

A: Coloumn chromatography is used for separation of so various mixtures having polarity differences.

Q: A given mitochondria is about 1x107 m in diameter. An atom is around 1x10-10 m in diameter. How many…

A: Diameter of mitochondria = 1×10-7 m Diameter of an atom = 1×10-10 m

Q: Estimate the value of the equilibrium constant at 675 K for each of the following reactions. ΔG∘f…

A:

Q: Calculate the pH of each of the following solutions: (a) 2.8 x 10 M Ba(OH)2, (b) 5.2 x 10 M HNO3.

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Q: Calculate the molarity of 93.3 g of sodium chloride in 93.4 mL of solution.

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Q: Which of the following molecules is least acidic? O O O A A B ܛ H B C D H

A:

Q: At pH 1. Select Draw / |||||| Rings More с H N O 7. H Q2 Erase Q At pH 7. Select Draw 3 Rings More C…

A: To draw the structure of given amino acid at pH = 1 and at pH = 7

Q: 0 ОН

A:

Q: A 13.7 kg sample of this new "compound" is separated into its component "elements" with the…

A: In this question, we have to solve all parts regarding the given data.

Q: How  do I solve: How many moles of sodium metal are needed to make 3.6 moles of sodium chloride?…

A: Given the reaction:    2Na+Cl2 to produce 2NaCl We have to find the number of moles of sodium metal…

Q: Disulfur dichloride, S₂Cl₂, is used to vulcanize rubber. It can be made by treating molten sulfur…

A: Sulfur reacts with chlorine to form disulfur dichloride. The equation for the balanced chemical…

Q: Which of the following molecules is most acidic? A H O O O O B E A B S H 8. E O H

A: we need to select the molecule which is most acidic

Q: Give a reaction sequence that would allow you to carry out the following transformation. You do not…

A: Here we have to synthesize the following given target compound from cyclohex-2-en-1-one by multistep…

Q: C7H6O3(s) + C4H6O3(l) → C9H8O4(s) + C2H4O2(1) A student is asked to prepare 94.45 g of aspirin. She…

A:

Q: based on your results complete and balance the following reactions. Make sure you correctly identify…

A: The balanced and complete chemical equations of the above reactions are given below;

Q: A. Predict the pressure of nitrogen gas at T =-98 K and v=0.00375 m³/kg on the basis of (a) the van…

A:

Q: From the given situations, explain whether its solution requires a qualitative analysis,…

A: To determine whether the given solutions require a qualitative analysis, quantitative analysis,…

Q: Flourinated hydrocarbons such as CHF2-CHF2 are used in refrigerants (A) Draw in a NEWMAN projection…

A: Conformational isomers are those isomers which are easily convertable without breaking sigma bond or…

Q: What are four resonance structures of this molecule and which ones are major and minor

A: Determining the resonance structure as the most contributing (most stable) High bond connectivity…

Q: Why do phospholipids spontaneously form a bi-layer in water? O The non-polar head group and the…

A:

Q: Carbon tetrachloride has a specific gravity of 1.590. How much would 45 gal of carbon tetrachloride…

A: Density = mass / Volume  We know that, Specific Gravity (S.G) = Density of compound / Density of…

Q: water-soluble salt formed by Hg2+ and nitrate 42.215 g was dissolved in a solution containing 12.026…

A:

Q: B. Calculate the pressure of vapor at a temperature of 400°C and a density of 20 kg/m^3 using (a)…

A: Given :  Temperature = 400oC = 400+ 273 =673k  Density = 20kg/m3  Gas constant = 0.5 KJ kg K

Q: Order the acids based on their strength, with the weakest on the left and the strongest on the…

A: To order the acids based on their strength, with the weakest on the left and the strongest on the…

Q: name only functional group

A: First is ether functional group. Oxygen bonded with two carbon atom via single bond.

Q: Rank the following from smallest (1) to largest (6) electron mitochondria insect cell enzyme human…

A: We are given electron, mitochondria, insect cell, enzyme, human and atom. these are to be arranged…

Q: For each of the following precipitation reactions, calculate how many grams of the first reactant…

A: •Here a reaction given:- K2SO4   + Sr(NO3)2 => SrSO4 + 2KNO3 •Now      First reactant is K2SO4…

Q: In this experiment, we will be making our own solutions. We first make a stock solution. Then we…

A:

Q: How many carbon atoms are in 3.47 g of aspirin (C,H₂O)? C atoms

A: Given -> Weight of aspirin= 3.47 gm  Molecular formula of aspirin= C9H8O4

Q: Which product would you expect to obtain from the following SN2 reaction? Br CH3ONa CH3OH H3C.…

A: Sn2 reaction: The reaction follow second order kinetics. It is a one step reaction. There is no…

Q: 7. a) Cobalt(I) reacts with oxygen gas to form Cobalt (III) oxide. Balanced the chemical reaction.…

A:

Q: For the following reaction, 5.27 grams of diphosphorus pentoxide are mixed with excess water. The…

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Q: Question 2: What is the preferred IUPAC name of the compound in Figure 2? [Numbers are separated by…

A: Given compound :

Q: Assume a length of axon membrane of about 0.10 m is excited by an action potential (length excited…

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Q: B. A 1.0-mol sample of an ideal gas is kept at 0 °C during an expansion from 0.003 m³ to 0.01 m³.…

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Q: What is the isomeric relationship ?

A: We have given two compounds and we have to identify isomeric relationship between them.Chiral centre…

Q: What is the density of N2 at 119.8 degF and 714.9 mmHg in pounds per cubic foot? MW: N:14

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Q: The K₁ of a monoprotic weak acid is 0.00257. What is the percent ionization of a 0.122 M solution of…

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Q: 2. g/mL. Determine the number of hydrogen atoms in one liter of water. The density of water is 1

A:

Q: .and Solution are composed of and the solute is solution is saturated when We know that we have a…

A: The blanks in the above paragraph has to be filled.

Q: A student obtained the following data for the decomposition of ammonia on a platinum surface at 856…

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Q: The solubility of a sparingly-soluble solid such Lead (II) Bromide increases with the presence of…

A: We have given a statement the solubility of a sparingly-soluble solid such as Lead (II) Bromide…

Q: 100 90 80 70 60 50 40 30 20 10 1) For the following IR spectrum, indicate if the requested bond is…

A: For the following IR spectrum, to indicate if the requested bond is present or absent in the…

Q: Br of DBU ?

A: