What is the Gibbs free energy at negative sixty five Celsius

Q: What is the concentration of a solution with an absorbance at 520 nm (A520) of 0.6 that has an…

A: Absorbance (A) = 0.6 Path length (l) = 1cm Molar extinction coefficient (ε) = 3.0 L/mmol cm…

Q: Two solutions consisting of 230 mL of 0.5 M lead(IV) nitrate and 443 mL of 0.6 M sodium sulfate are…

A: The question is based on the concept of chemical reactions. we need to calculate concentration of…

Q: Eto alon OEt 요 2. OEt 1. NaOEt 2. BrCH₂CH₂CH(CH3)2 3. H3O*, heat 1. NaOEt 2. BrCH₂CH₂CH₂CH₂Br 3.…

A:

Q: If the AH value for the following reaction is negative, which of these would result in the…

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration…

Q: 2.a What is the molar mass of acetylsalicylic acid (aspirin)? b. Name the functional groups on the…

A:

Q: Arrange these substance according to how many drops we could add to a penny before the "bubble"…

A: The ability of a liquid to form drops on a surface depends on its surface tension, which is…

Q: How can the number of grams of a compound be converted to the number of moles of the compound?  a.)…

A: In Chemistry, one mole of a substance is defined as the amount of the substance that contains…

Q: Consider the gaseous reaction of hydrogen with iodine: H2 (g) + I2 (g) ⇌ HI (g) Kc=57.0 at 700 oC…

A: Answer: Value of reaction constant is always equal to the molar concentration of products and molar…

Q: Consider the reaction between nitrogen oxide and carbon monoxide: NO2 (g) + CO (g) → NO (g) + CO2…

A:

Q: A small amount of sodium bromide (NaBr) is dissolved in a large amount of water. Imagine separating…

A: The heat absorbed or released in a process at constant pressure is the enthalpy change which is the…

Q: What volume of oxygen gas is required to react completely with 0.798 mol of propane (C3H8) according…

A:

Q: Balance the following redox reaction in acidic solution.  Cr2O72- (aq)+Fe2+(aq) -->…

A:

Q: 50.0 mL of the 0.50 M weak base solution is titrated with 0.20 M HBr. What volume of acid is…

A: we have to calculate the volume of acid needed to reach the equivalence point

Q: Draw the best Lewis structure of C₂0. Include lone pair electrons and any formal charges. Click and…

A: The formula of the given compound belongs to oxalate ion where two C=O is present along with two…

Q: Temp. (°C) 150 135 120 105 90 75 60 45 30%A 15 B C D Heat (kJ) Created by E. Lee for Virtual…

A: Given is the heating curve where different phase change occurs :

Q: (a) (b) heat light

A: Both given reactions proceed through electrocyclic ring closing reaction. Electrocyclic reaction is…

Q: QUESTION 30 What does the ratio A260/A280 tell us about the purity of a sample O Whether there is…

A: What does the ratio A260/A280 tell us about the purity of a sample of purified DNA? 1. Whether there…

Q: An engineer turns the temperature of a gas down, holding the volume constant at 1,250 L. nitially,…

A: Initial temperature (T1)= 647 °C  T1= 273 + 647 = 920 K  Initial pressure (P1)= 211 kPa  Final…

Q: Consider the following reaction at a high temperature. Br₂(g) = 2 Br (g) When 1.55 moles of Br₂ are…

A:

Q: Carbon dioxide gas is collected at 26.0 °C in an evacuated flask with a measured volume of 15.0 L.…

A: Temperature, T = 26.0 °C  Volume, V = 15.0 L  Pressure, P = 0.220 atm

Q: Synthesize the following compound using no organic starting materials other than acetic anhydride,…

A: Acetylide adds on ketone to produce alcohol

Q: Given the following data for this reaction: The rate law for the reaction is: (a) Rate = k[NH4][NO₂]…

A:

Q: Consider the following reaction, which takes place in a single elementary step: kg 2A + B A₂B k, If…

A:

Q: What quantity in moles of KBr are there in 225.0 mL of 0.250 M KBr

A: Given that : Volume = 225.0 mL                = 225×10-3 L (as 1mL = 10-3 L)               = 0.225L…

Q: Complete the chemical reaction Identify the conjugate pairs   H2SO4 + H2O ===​   CH3COOH + H2O…

A: Acid : An acid is a chemical species that donates a hydrogen ion H+ when dissolved in an aqueous…

Q: Draw the major product for the following compound with bromine with iron III tribromide CH₂-Olot..…

A:

Q: Ph C O Hand 2er-Br

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: Course Contents> ... > Final Exam Practice Problem Set» Acids, Bases and Their Conjugates In each of…

A: An acid (A) is a species which donates Proton while a base (B)  accepts proton.       an acid after…

Q: Define each of the following terms a. Chemical kinetics: b. Activation energy:

A: Define:  a) Chemical Kinetics b) Activation energy

Q: Consider the following equilibrium: 2NO₂(g)-N₂O₂(g) AG- Now suppose a reaction vessel is filled with…

A: Reaction : 2NO2(g) ⇌N2O4(g)    ∆G°=-5.4 kJ

Q: Use the References to access important values if needed for this question. How many moles of…

A:

Q: If we want to observe or measure the vapor pressure of a liquid, do we need a lid on the container?…

A: This answer explains whether a lid on the container is needed to observe or measure the vapor…

Q: Temperature Time's Up! A phase change graph is shown below. Assume that pressure is constant. Heat…

A: In the question, phase diagram is given which includes various phase changes :  we need to identify…

Q: Given the molecule shown below, use electronegativities to identify one polar bona and one nonpolar…

A: Answer: Electronegativity is the ability of an atom to attract the electrons of the covalent bond…

Q: Using only the periodic table arrange the following elements in order of increasing ionization…

A: Answer: Energy required to remove the most loosely bounded electron from a isolated gaseous atom is…

Q: For the reaction : Z F₂ (g) + 2H ₂ O ( 9 ) 4HF (g) + O₂(g) Kea is 4.5 × 103 at a certain temp. (…

A: 2F2(g) + 2H2O(g) <----> 4HF(g) + O2(g). ------(1) Keq = 4.5 × 103

Q: Draw the major product of this reaction. Ignore inorganic byproducts.

A: This is 1,4 michael addition as methyl sulfur group is soft so it will attack the soft center of the…

Q: Describe on the molecular level what occurs when water boils.

A: Boiling is a physical process of transition of phase from liquid to gas. It occurs when a liquid is…

Q: Balance the following equation and write the sum of the coefficients of the reactants and products…

A: we have to determine the sum of the coefficients of the reactants and products of the equation below…

Q: A cube of ice at 0°C with a mass of 150 g has been left until it turns into water at 0°C. Then, it…

A: Answer:- This question is answered by using the simple concept of calculation of total heat needed…

Q: The rate constants for the decomposition of dinitrogen pentoxide are 3.7x10-5 s-1 at 25 oC and…

A:

Q: What would be the pH of a 6.55 M solution of hydrocyanic acid (HCN)? (Ka of HCN is 6.2x10^-10

A:

Q: a. The blue N is a nitrogen atom. The numbers are for easy reference to the N atoms. No hydrogens…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Nuclear decay is the process in which an unstable atomic nucleus loses energy by emitting 0 ionizing…

A:

Q: The A260/A280 ratio for this sample was measured at 1.62. What does this tell you about the purity…

A: The A260/A280 ratio is an important parameter that is used to determine the purity of RNA or DNA…

Q: Naming Alkynes Worksheet #2 Draw the structural formula for each of the following: 3-ethyl-1-pentyne…

A: IUPAC nomenclature used for the systematic naming of the organic molecules.According to IUPAC…

Q: Write the equation for the hydrolysis reaction of cellulose

A: The hydrolysis of  cellulose beta-D-glucopyranose unit Cellulose is a polymer in which glucose units…

Q: Answer the following questions about the reaction below. HCIO + CH3NH₂ ,→CH,NH;+CIO Part: 0 / 2 Part…

A: HClO + CH3NH2 ↔️ CH3NH3+ + ClO-  Above chemical equation represents acid - base reaction.   Here,…

Q: Can you explain why the answer to these reactions is as follows? . A CI -NO₂2 p CI се -NO₂

A: This is an example of SNAr reaction

Q: 2. Select the major product of the following reaction sequence. A OH 1. 002 2. MOMO B NaBH₁ H₂SO4…

A: CO2 is used to make COOH functional group. H3O+/H2O is used deprotect aldehyde/ketone. NaBH4 is used…