Equilibrium and Le Chateliers Principle Q

Which of the following statements best describes the end point of the reaction and when you should stop the timer? Group of answer choices Once the purple color of the initial mixture, caused by the KMnO4, fades After 5 minutes have passed Once the KMnO4 has reacted completely with the malonic acid, turning the solution yellow Once the mixture turns colorless

Complete the two acid dissociation reactions for the ethylenediammonium ion and select the correct symbol for the equilibrium constant for each reaction. Step 1: NHẸCH,CH,NH(aq) — What is the symbol for the equilibrium contant for step 1? O Kb2 O Ka2 Ο Και Kbl Step 2: NH₂CH₂CH₂NH3(aq) = What is the symbol for the equilibrium constant for step 2?

What is the Millon's Test Chemical Reaction (balanced equation)

Please need help. How to find the equilibrium for each.

Please the two images are one question, is a step by step reaction

3. What is observed when the H2O concentration in the acetic acid equilibrium becomes relatively low? Relatively high? 4. Humidity indicator cards (HIC) are commonly added to semiconductor shipments to document that the parts were not exposed to humidity. These cards are impregnated with cobalt(II) chloride, or an alternative, and change color to indicate the presence of water. Predict the color you would see if a cobalt(II) chloride HIC were exposed to moist, humid air?

What relative concentration do you want to select for determining λmax​? a. High end of the concentration range   b. Low end of the concentration range   c. Zero concentration

Identify which does not belong to the group. Answers can be multiple per item.            4. Which does not belong to the group? Hg₂ + 2Cl⁻¹ ⇌ HgCl₂ Hg₂ + 2Cl⁻¹ ⇌ Hg₂Cl₂ Ag⁺¹ + Cl⁻¹ ⇌ AgCl₂ Pb⁺² + 2Cl⁻¹ ⇌ PbCl₂ 5. Which does not belong to the group? 3CuS + 2NO₃¹⁻ + 8H₃O ⇌ 3Cu²⁺ + 2NO +3S + 12H₂O 3PbS + 2NO₃¹⁻ + 8H₃O ⇌ 3Pb²⁺ + 2NO +3S + 12H₂O 3HgS + 2NO₃¹⁻ + 8H₃O ⇌ 3Hg²⁺ + 2NO +3S + 12H₂O 3Bi₂S₃ + 2NO₃¹⁻ + 8H₃O ⇌ 2Bi³⁺ + 2NO +3S + 12H₂O

For the following reaction, the reactants are favored at equilibrium. Classify each of the reactants and products based on their strength as Bronsted-Lowry acids or bases. HCIO + C₂H7N CIO + C₂H7NH+ CIO Clear All Stronger Bronsted- Lowry acid Weaker Bronsted-Lowry C9H7N acid HCIO Stronger Bronsted- Lowry base Weaker Bronsted-Lowry C9H7NH+ base

Fill in the blanks of the potential/kinetic energy diagram

In the reaction H₂S + H₂O HS + H3O+ water is acting as a Bronsted Lowry base OH2S is acting as a Bronsted Lowry base OH30* is acting as a Bronsted Lowry base

Part I. Write the hydrolytic reaction and equilibrium expression for the compounds below. 1. Propanoic acid (CH3CH2COOH) 2. Ethylamine (CH;CH2NH2)

I need help. Can you help me with number 2 part A and number 2 part B?

Based on Part D, "The Nature of Reactants" in the experiment, "Kinetics and Reaction Rates", which of the following acids will dissolve granular zinc the fastest? Assume all of the acids have a concentration of 2 M. carbonic acid acetic acid hydrochloric acid benzoic acid propanoic acid

Use pKa values to predict which of the following equilibria will favor the reactants. B C O + OH₂ + SH Br NH₂ Multiple answers: Multiple answers are accepted for this question H OH + LOH Yo HBr e NH

PLEASE HELP ME ANSWER QUESTION 5) A student starts a titration without phenolphthalein in the Erlenmeyer flask. The student realizes the mistake and adds the phenolphthalein during the titration. Once the phenolphthalein is added, the solution in the Erlenmeyer flask remains colorlessCan the results of this titration be used? Concisely explain.

TABLE 3: FIND THE CHEMICAL EQUATION

Reactivity (Write color change or evolution of gas)

Oxacarbazepine ( C15H12N2O) is used to treat epilepsy. What would happen to the equilibrium of oxacarbazepine in water when more oxacarbazepine is added to the system?  a.) Ratef < Rateb and the equilibrium would shift to reactants (to the left) b.) Ratef > Rateb and the equilibrium would shift to reactants (to the left) c.) Ratef < Rateb and the equilibrium would shift to products (to the right) d.) Ratef > Rateb and the equilibrium would shift to products (to the right)

If all the following ions are combined in one solution, which is the likely insoluble product below? CI- PO43- NH4 Ca2+ NO3 Na+ Caz(PO4)2 (NH4)3PO4 NHẠNO3 NaCl

Pls help ASAP ON ALL ASKED QUESTIONS PLS PLS

Calcuate the analytical concentration of a 1:1 dilution of concentrated ammonium hydroxide

For the following reaction, the reactants are favored at equilibrium. Classify each of the reactants and products based on their strength as Bronsted-Lowry acids or bases. +? CH3COO + NH4* NH3 NH4+ NH3 + CH3COOH CH3COOH CH3COO- Clear All Stronger Bronsted- Lowry acid Weaker Bronsted-Lowry acid Stronger Bronsted- Lowry base Weaker Bronsted-Lowry base

Normal No Spacing Heading 1 Head Pre-Lab 1. Write a balanced equation for the following reactions. a. NaHCO3 (s) + HCI (aq)→NACI (aq) + CO2 (g) + H20 (I) 2. What is the name of the vessel you will use to perform your reactions? 3. What is the name of the compound that is left as a residue that will be left after your reaction is completed heating? 4. What is the formula mass of the following compounds? a. NaCl b. NaHCO, mited States) MacBook PrO

What reaction occurs as a hydrochloric acid solution is added to a solution containing equal concentrations of acetic acid and sodium acetate Group of answer choices CH3COOH + H+ → CH3COOH2+ CH3COOH + H+ → CH3CO+ + H2O 2CH3COO– + 2H+ → CH3COO + H2 CH3COO– + H+ → CH3COOH

For the following reaction, the products are favored at equilibrium. Classify each of the reactants and products based on their strength as Bronsted-Lowry acids or bases. HCOOH + C3H]N=HC00 + C3H]NH* Clear All C3H]NH Stronger Bronsted-Lowry acid Weaker Bronsted-Lowry HCOO acid Stronger Bronsted-Lowry base C3H]N Weaker Bronsted-Lowry HCOOH base Previous Next

50 Experiment 6 Qualitative Analysis 2. Write the chemical formula for each of the following compounds: a) Iron (III) hydroxide b) Zinc sulfide c) Tin (II) perchlorate d) Cobalt (II) iodide e) Potassium nitrite f) Aluminum bromide g) Cobalt (III) carbonate h) Lead (IV) nitrate i) Ammonium oxalate

Discuss the conditions needed to have a reaction with gaseous reagents and gaseous products so that The value of Kp increases with increasing temperature The value of ΔG° increases with increasing temperature The value of k increases with increasing temperature The conversion of one of the reagents increases with increasing pressure

Which substance has the greatest tendency to participate in a chemical reaction with small chain alcohol in an acidified chemical environment?

Please help answer these questions, I'm stuck on them

Classify each of the following reactions.   1.   Ba(Clo3)2 --> BaCl2 + 3O2 2. KOH + AgNO3 --> KNO3 + AgOH 3. Ba(OH)2 + 2HNO2--> Ba(NO2)2 + 2H2O 4. KdSO4 +K2S --> K2SO4 +CdS