Given

Q: Could you explain the following question? I have a difficult time understanding both of these questi...

A: The question is based on the concept of solutions. depression in freezing point is a colligative pro...

Q: Consider the reaction of O3 and CO to form O2 and CO2, according to the balanced equation: 03 (9) + ...

A: From the balance equation, see the mol or molecule ratio. and then apply on no. of molecule. see the...

Q: Methanol (CH3OH) (molar mass: of 32.042 g/mol), used as a cooking fuel, burns in oxygen to produce c...

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Q: A solution is made by dissolving 18 g of sodium sulfate, Na2SO4, in enough water to make exactly 250...

A: Molar mass of Na2SO4 = 142.04gmol-1  Moles of Na2SO4 = ( mass / molar mass )  Moles of Na2SO4 = ( 18...

Q: What is the volume of a balloon if it contains 3.2 moles of helium at a temperature of 20. °C and st...

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Q: Consider the following reaction: CO2 (g) + CCI4 (9) = 2COCI, (g). Part A Calculate ArG for this reac...

A: ∆G = ∆G° + RT ln Q Q = (0.755)^2 / (0.135 × 0.170)  Q = 26.39  ∆G° = 46.9 kJ

Q: Determine the formal charge on each atom in the structure.

A: The structure given is,  

Q: What is the Ka of a monoprotic acid in which an 0.05272 M solution exerts an osmotic pressure of 105...

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Q: Would the concentration of hydroxide ion in a 0.20 M solution of ammonia (also known as ammonia hydr...

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Q: Consider a solution formed by mixing 50.0 mL of 0.100 M H2SO4, 30.0 mL of 0.100 M HOCl, 25.0 mL of 0...

A: First step is to find out total volume  Total volume = 50 mL + 30 mL + 25 mL + 25 mL + 10 mL = 150 m...

Q: Calculate the osmotic pressure of 0.05 M of K2CO3 solution at 37°C, i = 2.40. What is this solution ...

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Q: The wavelength of a photon that has an energy of 6.33 × 10-18 J is ________ m.   Where: E = hνν h(Pl...

A: Energy of a particle is inversely proportional to its wavelength.  Relationship between these the is...

Q: Write the reaction equations by which transformations can be carried out:Na → Na2O2 → Na2CO3 → NaNO3...

A: In the given question we have to write equation of transforming the given compound stepwise.  

Q: Calculate the standard entropy, Δ?∘rxn, of the reaction at 25.0 ∘ C using the table of thermodynamic...

A: Note: As per our guidelines we are supposed to do only one question, please repost the other questio...

Q: The energy (J) required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is ...

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Q: What is the wavelength of light (nm) that has a frequency 4.62 × 1014 s-1?

A: Given :- frequency of light = 4.62 × 1014 s-1  To be calculated :- wavelength of light (in nm)  1 nm...

Q: Font Paragraph Styles Identify the spectator ion(s) in the following reaction: Zn(s) + Cu(NO3)2(aq) ...

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Q: A mixture of He, N,, and Ar has a pressure of 26.0 atm at 28.0 °C. If the partial pressure of He is ...

A: Given, The partial pressure of the mixture is 26.0atm. The partial pressure of Helium is 2687 torr(3...

Q: Choose all possible values of each quantum number for the outermost electron in an Rb atom.  n ...

A: Rubidium has atomic Number of 37 , it is fifth member of first group elements, alkali metals , and i...

Q: 2.00 moles of ammonia are heated in a sealed 1.00 L container at 650°C. At this temperature, ammonia...

A: The equilibrium reaction taking place is given as, => 2 NH3 (g) --------> N2 (g) + 3 H2 (g) Gi...

Q: What is ΔSsys for a freezing phase transition at 29.7 °C for a compound that freezes at 29.7 °C and ...

A: Given: ∆Hsystem= -19.45 kJmol-1 Freezing temperature ,Tf= 29.7 °C Tf= 29.7 + 273 Tf= 302.7 K

Q: Give the complete product and name. Name the main product only.

A: Given reaction:  

Q: Determine the equilibrium constant Keq  if the concentration  of  iron( III) thiocynate is 0.347 M a...

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Q: The question is in the image.

A: Given, Enthalpy of combustion(∆H) =-3227 kJ/mol Mass of benzoic acid =1.092 g Moles of benzoic acid ...

Q: Please draw the step by step mechanism from the following reaction using arrow-pushing.

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Q: The concentration of a NaCl solution is 25.0% (%w/v). What volume (mL) of this solution contains 15....

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Q: e problem to get the product shown. CI AICI3

A: The question is based on the concept of electrophilic substitution reaction . We have to account for...

Q: A reaction   A(aq)+B(aq)↽−−⇀C(aq)A(aq)+B(aq)↽−−⇀C(aq)   has a standard free‑energy change of −3.86 k...

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Q: A buffer solution is made that is 0.485 M in HNO2 and 0.485 M in NaNO2 . If  Ka for HNO2 is 4.50 x 1...

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Q: Chemistry Question

A: According to reaction, 2 moles of CH3OH involves +252.8 kJ  

Q: 3H, (g)+ N,(g) 2NH, (g) (H2) 8. At equilibrium, 1 liter of a mixture of gases at 450°C contains 1.02...

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Q: Provide the missing reagent for the below reaction: H. CH H,C H,C CH CH O H Pd/C Na NH H Lindlar's C...

A: Correct answer is H2 ,Lindlar's catalyst.  Alkyne is hydrogenated in presence ofLindar's catalyst to...

Q: How many grams of Kr are in a 6.54 L cylinder at 28.5 C and 6.72 atm? mass:

A: Given data Volume of Kr : V=6.54 L Pressure : P=6.72 atm Temperature : T=28.5 oC=(28.5+273.15) K = 3...

Q: A 30.2 mL sample of a 0.325 M aqueous nitrous acid solution is titrated with a 0.255 M aqueous sodiu...

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Q: Which two chemicals make up the 50/50 fractional distillation and which two make up simple distillat...

A: Simple distillation is the process in which two or more liquids are get separated with the simple di...

Q: Chemistry Question

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Q: How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 99.1 m...

A: Balanced Reaction 4 H2 + CO2 --> CH4 + 2 H2 O   Moles of water vapor produced = 99.1 mol 2 mol wa...

Q: The substance formic acid (HCOOH) is a weak acid (Ka = 1.8×10-4).What is the pH of a 3.08×10-2 M aqu...

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Q: Calculate the percent by mass of each element in the following compounds. 1). Ag2S 2). NaHSO3 3). Mn...

A: 1) The compound given is Ag2S. Assuming 1 mole of compound Ag2S. Molar mass of Ag2S = Atomic mass of...

Q: Determine the formal charge on each atom in the structure.   What is the overall charge on the struc...

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Q: The pH of an aqueous solution of 1.08×10-2 M carbonic acid, H2CO3 (aq), is

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Q: Refer to the pictures:

A: The given equation show that , in the reaction Alpha decay is occured . The Alpha decay is a type of...

Q: When solving the unsteady diffusion equation using the implicit euler method, how does using large C...

A: This discussion may only hold true for explicit schemes. It is important to also briefly discuss wha...

Q: The question is in the image.

A: Answer:- This questioin is answered by using the simple concept of calorimetry which states heat los...

Q: In the laboratory, a general chemistry student measured the pH of a 0.522 M aqueous solution of benz...

A: Ka(experiment) = 5.9 × 10-5  

Q: If 10.5 g Li and 37.2 g F2 react, how many grams of LiF are produced? 2 Li + F2 = 2 LiF

A: Answer:- This question is answered by using the simple concept stoichiometry which involves the rela...

Q: What is the temperature in of 0.3 mole of neon in a 2.00 L vessel at 4.68 ATM

A: It is given that volume of system is 2L and the Pressure is 4.68 ATM. The number of moles of Ne is 0...

Q: Synthesis of aspirin: C4H6O3 + C7H6O3 = C9H8O4 + C2H4O2 What is the limiting reactant if 5.00 mL of...

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Q: Calculate the pH of a solution formed by adding 9.00 grams of solid sodium formate, NaCHO₂, to 350.0...

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Q: Give the complete product and name. Name the main product only.

A: Product will be Hexanoic acid.  CH3(CH2)4COOH  

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.