4:49 1 < Question 10 of 11 Submit Determine the number of valence electrons in 13 and then draw the corresponding Lewis structure. A) 21 B) 24 C) 26 D) 22 E) 20 T

Q: Define spontaneity of a reaction in terms of AG. Determine if a based on process is spontaneous…

A: A reaction is said to be a spontaneous if ∆G value for the reaction is less than zero. It means:…

Q: Question 5 Which of the following describes a method to dilute a concentrated solution? O Adding…

A: A concentrated solution is one that has a relatively large amount of dissolved solute. A dilute…

Q: O -7.260 Full spectrum of a compound with molecular formula C9H17NO2. The IR spectrum shows strong…

A: 1H NMR is recorded in deuterated solvents. But there is still trace mount of solvent present in…

Q: A 40.00 mL sample of 0.1000 M diprotic malonic acid is titrated with 0.0900 M KOH. What volume KOH…

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Q: 4. On observation of absorbant changes in a chemical reaction at a maximum wavelength of 540 nm are…

A: S.No. Absorbance  Time (min-1) 1 0.119 0 2 0.108 20 3 0.096 47 4 0.081 80 5 0.071 107 6…

Q: Why must scuba divers working at gr-

A: Scuba divers working at great depth ascend to the surface slowly to avoid decompression surface. As…

Q: Mole 1. How many significant figures are in the number 0.0840900? 2. Write the following number in…

A: subpartsWe’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: 1. If a copper wire is placed in a beaker containing 1 M AgNO3, the clear solution is obs ved to…

A: Given: A copper wire placed in the AgNO3 solution turns blue and a flaky silver colour coating…

Q: In the reaction below, label the reactants and products 3Ti 2N2 TizN4

A: The substances that go into a chemical reaction are called the reactants, and the substances…

Q: Percentage Composition Worksheet Give the % composition of all elements in these compounds. Show all…

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Q: HFag) HSO, (aq) F (aq) 7.

A: This is an example of acid base reaction.

Q: In which direction will the reaction shift if 0.0500 M of each reactant and product are placed in a…

A: Equilibrium Constant (Kc) is the ratio between the product of the concentration of the products to…

Q: Choose the statements that are correct. (Select all that apply.) OIn the isothermal expansion of an…

A: Now ∆U= q- w  So in isothermal expansion ∆U = 0 so q=w  So ist option is incorrect  Yes when entropy…

Q: A chemist performed a reaction of 2-methylpent-2-ene with HBr in diethyl ether. However, after…

A: To identify the product structure when HBr is added to 2-methylpent-2-ene

Q: 44.2 mL of a 0.634 N KOH solution was needed to titrate a 2.63 g of an aqueous malonic acid solution…

A: Volume of KOH = 44.2mL Normality of KOH = 0.634N Mass of malonic acid = 2.63g

Q: lene wants to experiment with sugar cubes. Which of the following causes a sugar cube to only change…

A: Sugar dissolves in water is a physical change because in this change no new substance/compound is…

Q: The following initial rate data are for the reaction of UO,+ with hydrogen ion in aqueous solution:…

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Q: Help 1

A: The percent of water in the hydrate is calculated as,

Q: What is the pH of the solution when 100 ml 0.02 M HCI is added to 100 ml 0.04 M sodium hydrogen…

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Q: help 11

A: This reaction is an Acid-Catalyzed Ester Hydrolysis in which a compound produce its corresponding…

Q: Question 6 What is the molarity of a solution containing 1.0 mol glucose in 2.0 L solution? O 0.50 M…

A: There are various concentration terms to describe the concentration of the solution. Molarity is one…

Q: When trying to identify an unknown element, a scientist determines what other elements the unknown…

A: To identify the unknown elements, its chemical properties should be studied.  Chemical properties…

Q: help 6?

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Q: If a sample of vinegar was found to 1.55 % (m/m) acetic acid, what is the concentration of the…

A: Formula used:  Concentration (molarity) = number of moles of solute ÷ volume of solution in L  Means…

Q: For the given equilibrium reaction: A+2B C The equilibrium constant is 4.6 at 298 K. Considering the…

A: Given reaction is :  A + 2B &lt;------------&gt; C Equilibrium constant = Kc = 4.6  Temperature = T…

Q: On the Kelvin scale, a temperature of 43°C is O 273 K O 43 K O 316 K O 230 K

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Q: A student mixes baking soda and vinegar in a glass. The results are shown at left. Do you think any…

A: Chemical formula of baking soda= NaHCO3AndChemical formula of vinegar= C2H4O2.·. Final volume = 19.0…

Q: Which of the following gases does have a greater solubility in liquid water at 25 °C under the…

A: The solubility (S) of a gas in a liquid at a certain temperature is represented by the following…

Q: 3.29 10 mg AgBr(s) (K 4.9 10) is added to 250 ml water. Determine the % saturation of solution…

A: The given amount of AgBr is 3.29×10-3 mg. The amount of water is 250 mL. The Ksp of AgBr is…

Q: C,H,0 + 30, → 2C0, + 3H,0 How many of each atom is present in the products? C= H=

A: The answer to the following question is given as -

Q: 2. If a silver wire is placed in a beaker containing 1 M Cu(NO3)2, what will happen and why?

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Q: How would you prepare 1.00 L of a buffer with a pH of 7.00 from 0.200 M H3PO4 and 0.160 M NaOH?…

A: Given: pH of buffer required = 7.00  Volume of buffer required = 1.00 L Concentration of H3PO4 =…

Q: help 7

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Q: Calculate the cell potential for an electrochemical cell at 298 K with an aluminum ion concentration…

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Q: In the compound CH4, how many Carbon atoms are present and how many Hydrogen atoms are present? O…

A: Given compound :- CH4   To find :- number of carbon atoms and number of Hydrogen atoms

Q: Help 2

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Q: Given the following balanced equation, determine the rate of reaction with respect to (NOCIJ. 2 NOg)…

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Q: 5. Label the acid, base, CA, CB a) HCIO, + H,0 → H;O* + ClO2 b) H,SO, + H,0 → → HSO; + H;0*

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Given the following electrode reactions: 2+ Co +e Co“ E'=1,92 V 3+ Co(NH,) , +e Co(NH,), E-0,06 a.…

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Q: help 8

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".