When 20 calories of heat is added to 2.0 grams of water at 15 degrees Celsius the temperature of water increases to   (Specific heat of Water = 1 calorie/gram °C OR 4.186 joule/gram °C) Select one:     25 degrees Celsius 15 degrees Celsius 5.0 degrees Celsius 50 degrees Celsius

Q: A chemical equilibria that involves reactant and products that are present in only one phase. O a.…

A: Equilibrium is a state of reaction in which rate of forward reaction become equal to rate of…

Q: Solid benzene melts at 28.35 °C when the pressure is 85.2 MPa. The molar volumes of solid and liquid…

A: The melting point of solid benzene at 85.2 MPa is given to be 28.35°C. The molar volumes of solid…

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A: Answer:  C) 0.06×10^-2 mol/L

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Q: 5. Classify each of the following as strong electrolyte (SE), weak electrolyte (WE), or nonelectro…

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Q: It refers to how a circumstance can occur without the help of any external factors? O a Entropy Ob…

A: Spontaneity ----> it refers to the circumstances which can occur without any external factors.…

Q: What are the similarities and differences between results obtained from a calobration curve and…

A: Basically there is only difference which is of getting different theoretical result on comparison…

Q: The molar solubility of magnesium fluoride in a 0.268 M potassium fluoride solution is  M.

A: Given: Molarity of potassium fluoride solution = 0.268 M Known: Ksp of magnesium fluoride = 6.5×10-9

Q: 5..How many basis functions are there for H2O in 6-31G* and cc-pTVZ and why?

A: A RHF/6-31G*(d,p) calculation on water involves 24 basis functions: 13 basis functions for the…

Q: Problem 3 IR Spectrum (quid fim) ethylacence 2984 1741 1243 4000 3000 2000 1600 V (cm') 1200 800 00…

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Q: Calculate the pH when 60.0 mL of 0.200 M HBr is mixed with 30.0 mL of 0.400 M CH3NH2 (Kb = 4.4 x 10…

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Q: 2 l000 lb of limestone CF).Consisls of CaCog Mg.Cog-and-inert imPurities-are traated with Sulfurie…

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Q: 4. Calculate A H for S (s) +0,(9) → so;(g) based on the reactions: S (s) + 02 → S02 (g) 2502 (g) +…

A: Given,  S (s) + O2 → SO2 (g); ∆H = - 296 kJ .......(1) 2SO2(g) + O2(g) → 2SO3 (g); ΔΗ =-198.2…

Q: Based on their respective van der Waals constants, which of these two gases: Xe (a = 4.137 L² atm…

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Q: For any reaction at equilibrium, which of the following is TRUE? AS=0 O b. AG=0 AH<0 O d. AS<0

A: The equilibrium indicated by ∆G = 0 is known to be the equilibrium of spontaneity. This implies that…

Q: Problem 6 IR Spectrum quid m 2 1716 4000 3000 2000 1600 v (cm) 1200 800 112 100 43 Mass Spectrum UV…

A: Based on the IR spectrum,  proton NMR spectrum, mass spectrum and carbon NMR spectrum, structure of…

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Q: How many moles of solid NaF would have to be added to 1.0 L of 0.99 M HF solution to achieve a…

A: Buffer are solution which can resist the change in the pH of the solution when base or acid are…

Q: 4. (6) Calculate the concentration of sodium benzoate (NaC,HSO2) that must be present in a 0.20M…

A: Using the formula to calculate the concentration required.  Neglect the common ion effect, since ka…

Q: For the equilibrium:                     2 BrCl (g)   à   Br2 (g) + Cl2 (g) at 205 °C, the…

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Q: Hydrogen was collected over water at 21.0°C on a day when the atmospheric pressure was 748.0 Torr.…

A: Given that -  Temperature = 21°C = 294 K Atmospheric pressure = 748 torr  Gas sample volume = 300 mL…

Q: mica 1) 2)

A: -&gt;First of all there occur bromination of benzene.then acetylation occur.

Q: The pOH of 0.050 M HCl is

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Q: What percentage of a radioactive substance remains after 5.00 half-lives have elapsed? O 12.5% O 50%…

A: Number of half life = 5 half life

Q: NAME: CHEMICAL REACTION AND BALANCING PART 1: Determining the product of a chemical reaction…

A: Parts : 1 1) Reactions :     C6H14 + O2 → CO2 + H2O Type of Reactions : combustion reaction   2)…

Q: С. 1 еq MezNH H2SO4 OCH3 Pyridine ELOH 1. LAH 2. Нао

A: Initially when, secondary amine is added to acyl chloride formationnof amide take place as a…

Q: How many grams of sodium hydroxide are produced if 53.0 grams of sodium metal react with excess…

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Q: Consider a molecule AB2, where element A has 5 valence electrons and B have 6 valence electrons.…

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Q: Problem 7 IR Spectrum KB dsc 2240 4000 3000 2000 1600 1200 800 V (om) 100 Mass Spectrum 80 53 60 40…

A: The molecular formula of the organic compound given is C4H4N2. The degree of unsaturation =…

Q: Find the AH for the reaction below, given the following reactions and subsequent AH values: SO:(g) +…

A: The value of ∆H depends upon the Stoichiometry of the reaction If the reaction is reversed then ∆H…

Q: If 120 grams of Na react with 80 grams of H2O, what is the limiting reactant? Theoretically, how…

A: % yield = Actual yield/ theoretical yield × 100

Q: Some elements do not produce a visible color during a flame test. However, the electrons are still…

A: Here we have to explain why some emission of radiations are colour and others are not during come…

Q: Which of the following statements about intermolecular forces is incorrect? O Intermolecular forces…

A: The attraction forces between the different molecules are known as intermolecular forces.

Q: Question 7 Which acid has a lower pH? O 1 M acetic acid 0.8 M acetic acid 0.5 M acetic acid O 0.3 M…

A: Concept  1) pH is the scale to compare the strength of any acid.  2) lower pH meaning that the acid…

Q: Silane is a gas that is used to prepare extremely pure silicon for use in semiconductors, such as…

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Q: A general reaction written as 2A + 2B  → C + 2D is studied and yields the following data.   [A]0…

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Q: 1. LDA, THF; Mel 2. LDA, THF; Mel 3. EtLi (2 equiv), Cul (1 equiv), THF; then Br 3.

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Q: The balanced equation for the reaction of bromate ion with bromide in acidic solution is…

A: Using the rate law equation to calculate.

Q: 1. If heat is observed as products were formed means that the reaction is ___. a. endothermic b.…

A: Since you have posted more than one question, we can do only first question for you. If you want…

Q: 1?

A: Dipole moment =       charge(q) × bond length(l) Dipole moment is the product of charge (magnitude…

Q: The pOH of 0.050 M HCI is O a. 1.30 O b. 0.30 O c. 13.70 O d. 12.70

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Q: Problem 8 114 IR Spectrum (quid fim) 4000 3000 2000 1600 v (cm') 1200 B00 100 80 Mass Spectrum 57…

A: From the spectral data, structure of molecule with chemical formula C8H18 will be deduced as shown…

Q: Elements Reactants 1 Reactants 2 Nuclear Reaction Deuterium Tritium Helium (Stable) Lithium

A: Nuclear reaction are those in which nuclear fission and fusion process is involved. In these…

Q: he standard reaction entropy a

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Q: 1.) Draw the following compound. If, and only IF, the name is inappropriate give the correct name of…

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Q: Which of the following would produce a basic aqueous solution? а. NaHCO3 O b. KCI Ос. СО2 O d. NH4CI…

A: (1) Different type of compounds or Molecules mixed with water to give different type of Solutions.…

Q: 1. LDA, THF; Mel 2. LDA, THF; Mel 3. EtLi (2 equiv), Cul (1 equiv), THF; then Br 3.

A: -&gt;LDA is base which can abstract most acidic hydrogen and form enolate ion when react with…

Q: Draw a magnesium based scum molecule made from a fat that is liquid at room temperature

A: To draw a magnesium based scum made from a fat that is liquid at room temperature.

Q: 3+ half cells ave then what helf cella Fe/ Fe and Fe / fe a44V and to-77V r respectivaly 3+ will be…

A: Given: Eredo for Fe|Fe2+=-0.44 VEredo for Fe2+|Fe3+=+0.77 V

Q: Calculate he pOH of 3.50 M of NaOH

A: formula used pOH = -log [OH—] Higher the concentration of OH—, lower will be the pOH value.