A(g) ⇄ 2B(g) Initially, we have 0.914 mol/L of A. What is the concentration of A at equilibrium if the equilibrium constant Kc is equal to 34.7? Give an answer with 4 significant figures. Suggestion: Do not round your answer too much and take the quadratic formula.

Q: 6.00×10-2 M in HI and 8.00x10-³3 M in HF

A:

Q: Describe the geometric properties of a primitive cubic structure and body-centered cubic structure…

A:

Q: 1. Describe the general principle of spectrophotometry 2. What is Beer's law? What is the…

A: As per the guidelines we are supposed to answer the first three questions to solve remaining…

Q: 9. For the reaction shown below, draw the mechanism and products fax H₂N.

A: The base (iPr)2EtN has lone pair of electrons on the Nitrogen. This takes up the most acidic…

Q: Ka for acetylsalicylic acid (aspirin), HC9 H7O4, is 3.00 × 10-4. Ka for hydrofluoric acid, HF, is…

A: According to Bronsted-Lowry acid base theory, an acid is a compound which liberates proton (H+)  to…

Q: 3. Give the IUPAC names for the following molecules: CH₂ CH, CH₂ CH-CH₂ b. CH C CH₁ CH₂ CH-CH₂ CH₂…

A:

Q: Calcium (and magnesium and iron) ions can react with soap to form the insoluble bathtub annoying…

A: We need to write the chemical equation for reaction of Calcium, Magnesium and Irons with soap for…

Q: Which of the following statement is correct: O Mercury is a non-metal that is liquid at room…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: For the reaction A (g) → 3 B (g), Kp = 38700 at 298 K. When ∆G = -14.2 kJ/mol, what is the partial…

A:

Q: 4. Draw structures for 8-amino-5,7-dicyclopropyldecanal cis-8-amino-5,7-dicyclopropyldeca-3,9-dienal…

A: Given IUPAC names are  a) 8-amino-5,7-dicyclopropyldecanal  b)…

Q: Question: For an ideal gas inside a balloon, the pressure of the gas is 0.5 atm. Temperature (K)…

A:

Q: Question #1 The temperature-dependent ratio of isomers of 1,3-di-tert-butylcyclohexane has been…

A:

Q: In the formation of copper(II) oxide from copper(II) hydroxide mixture, what do we need to do to…

A: Copper (II) hydroxide oh heating gives Copper(II) oxide . The balanced chemical reaction is…

Q: Which of the following aqueous solituions will have the highest freezing point  0.2 m AgNO3 0.3 m…

A:

Q: 1. What are products for each step in these sequential reactions? -OH 1) TSCI 2) NaOEt, Heat 3) 03…

A: 1) in reaction 1 there is making of -OH into good leaving group( -OTs ) ,Then E2 elimination…

Q: A sachet of instant coffee (2.00 g coffee / sachet ) was poured into a cup of water (236 mL). What…

A: According to the given question, Mole fraction = solvent/ total solution So, Mole fraction =…

Q: E2A.5(b) A sample consisting of 2.00 mol of perfect gas molecules, for which Cy.m = ³R, initially at…

A:

Q: voltaic cell is represented by the following equation: Fe(s) + Zn2+(aq) --> Fe2+(aq) + Zn(s) Which…

A:

Q: • Question 7: Considering each of the following values and neglecting entropy, tell whether the…

A:

Q: 2. Identify/list IR signals that could be used to distinguish between the following pairs of…

A: Question A and B :

Q: 15.0 grams of table sugar (C12H22O11) is added to 200.0 mL of water. Assuming that environmental…

A:

Q: 15. Provide an arrow (+) to show the polarity in chemical bonds in the following compounds. If any…

A:

Q: Determine the [H], [OH-], and pH of a solution with a pOH of 8.66 at 25 °C.

A:

Q: In the body, during the citric acid cycle the following reaction occurs as the first part of an…

A: Given :

Q: When 1453 J of heat energy is added to 42.0 g of ethanol, C₂H₂O, the temperature increases by 14.1…

A: Given - Heat energy=1453J  Mass of ethanol =4 2.0 gram  Change in temperature 14.1°C  Cp=?

Q: 17) Is each proposed structure in Figure 4, a plausible Lewis structure for CO₂? Why or why not?…

A: Lewis structure is a representation of valence shell electrons of all the atoms in a molecule. In…

Q: Consider a glass of 226 mL of water at 25°C. Calculate the mass of ice at -15°C that must be added…

A:

Q: Starting with the following equation, Pb(NO₂)₂(aq) + K PO (aq) → Pb (PO),(s) + KNO₂(aq) calculate…

A: A balanced chemical equation contain equal number of atoms of each element on both reactant and…

Q: Problem # 2: Determine the enthalpy of the following reaction: 3Fe₂O3(s) + CO(g) 2Fe₂O4(s) + CO₂(g)…

A: Given, Determine the enthalpy of the following reaction, 3Fe2O3(s) + CO(g) ----> 2Fe3O4(s) +…

Q: An aqueous solution is prepared to be 0.248 M in sodium acetylsalicylate and 0.123 M in benzoic acid…

A: Given: Concentration of benzoic acid, C6H5COOH=0.123 M Concentration of sodium acetylsalicylate,…

Q: How many grams of sugar (C6H12O6) should be added to 1.21 L of water to create a solution with an…

A:

Q: What is NOT a feature of allosteric enzymes? O They have a sigmoidal dependence of the reaction…

A:

Q: 5) Give the complete arrow pushing mechanism to show the formation of the product in the given…

A:

Q: • Question 9: Write a rate equation for each reaction, given the indicated mechanism. a. CH³CH₂-Br +…

A:

Q: Enough of a monoprotic acid is dissolved in water to produce a 1.83 M solution. The pH of the…

A:

Q: O CHEMICAL REACTIONS Theoretical yield of chemical reactions Liquid octane (CH, (CH₂), CH,) reacts…

A: Given, mass of Octane reacts = 10.3 g mass of oxygen gas react = 68.8 g Theoretical yield of carbon…

Q: Calculate this  question kilocalories added when 5.0 kg of water warms from 25 ∘C to 32 ∘C

A: Given, mass of water (m) = 5.0 kg = 5.0 × 1000 g = 5000 g Initial temperature (Ti) = 25°C  Final…

Q: (1) Identify each of the following half-reactions as either an oxidation half-reaction or a…

A: Here we have to predict whether the following given half reactions are oxidation or reduction…

Q: 1)Draw the Lewis structure 2)Identify the electron pair geometry 3)Identify the molecular geometry…

A:

Q: What is the mass in grams of NO that can be formed from 2.18 moles of NO₂ in the reaction below? 3…

A: Given - 3NO2(g) + H2O(g) -> 2HNO3(g)+ NO(g) Moles of NO2 =2.18mol

Q: Which of the following can most likely increase the measured yield of recrystallized benzoic acid?…

A: Experiment: Preparation of benzoic acid.  Dissolve 1 gram of impure benzoic acid in the minimum…

Q: What volume (in mL) of a 1.154 M aqueous HCI solution is required to reach the first equivalence…

A:

Q: How many grams of copper (II) phthalocyanine would be produced by the complete cyclotetramerization…

A: Chemical reaction involved : 4 C8H4N2(l) + CuCl2(s) ------> Cu(C32H16N8)(s) + Cl2(g)  Since…

Q: Н.С. Н.С ALKYL - WEAK EDG KETONE - EWG 30 °C Н.С. Н.С

A:

Q: What's the chemical formula and reaction of lead being removed from water

A: Lead is the most common contaminant in the water. In the given question it has been asked to write…

Q: of Reagent 100 mM Tris-Cl pH 8.0 20 mM EDTA pH 8.0 1.4 M NaCl 2% (w/v) CTAB (cetyltrimethyl ammonium…

A: Molarity is defined as number of moles of a substance present in one liter.     M =nV (L) =…

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: Here, we have to find whether a precipitate will form or not when the given solution A is mixed with…

Q: Which ions remain in solution, unreacted, after each of the following pairs of solutions is mixed?…

A: After mixing of solutions, if there is a formation of solid product that means those ions have…

Q: What if we assumed that the heat capacity of gaseous NH3 is NOT dependent on temperature? Calculate…

A: Given: T2 = 25oC =298 K                                             T1 =400oC =673 K        To…

Q: 1a) 2. ه تھک HD cl - H NC ه H

A: To circle which compound would be more reactive in a reaction with HCN at pH of 10.