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question 14 please! buffer. Write a complete and balanced chemical reaction for what happens when hydrochloric...
4. Reaction of magnesium metal with aqueous hydrochloric acid Observations: Reaction Type: Oxidation States of atoms in reactants Oxidation states of atoms in products Mg - H- - - Mg - H -. Balanced Reaction: (including states) Substance Oxidized? Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred 5. Reaction of copper metal with aqueous magnesium sulfate Observations: Reaction Type: Balanced Reaction: (including states) Substance Oxidized? Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred 6. Reaction of...
Reaction in Aquesous 1. Write the balanced molecular equation, complete ionic equation, and net ionic equation for the following: (5 pts) HI + K2CO3 → Complete ionic equation: Net ionic equation: TURN OVER → 2. A 31.5mL aliquot of H2SO4 of unknown concentration was titrated with 0.0134M NaOH. It took 23.9mL of NaOH to reach the endpoint of the titration. What is the concentration of the H2SO4? (5 pts) 3. In the following reaction, indicate the substance being oxidized, reduced,...
QUESTION 7 What is the correct full, balanced chemical equation for the reaction between hydrochloric acid (HCI) and calcium metal (Ca)? 2 Ca(s) + HCl(aq) + Ca2Cl(aq) + H2(g) Ca(s) + 2HCl(aq) — CaCl2(aq) + H2(g) Ca(s) + HCl(aq) +CaCl(aq) + H2(g) Ca(s) + 2HCl(aq) H2(g) + CO2(g) Ca(s) + 2HCl(aq) + CaCl(aq) + H2O(1) -
Zinc metal reacts with hydrochloric acid according to the balanced equation: 2HCl (aq) + Zn (s) ® ZnCl2 (aq) + H2 (g) When 0.103 g of zinc is combined with enough HCl to make 50.0 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, resulting the temperature of the solution from 22.5oC to 23.7 oC. Find DHrxn for this reaction as written. The density, and the specific heat of the solution are 1.00 g/mL and 4.184...
Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s)+2HCl(aq)→ ZnCl2(aq)+H2(g) When 0.105 g of Zn(s) is combined with enough HCl to make 50.4 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.2 ∘C to 24.7 ∘C. Find ΔHrxn for this reaction as written. (Use 1.00 g/mL for the density of the solution and 4.18 J/(g⋅∘C) as the specific heat capacity.) Express your answer in kilojoules...
1. Write the balanced chemical reaction for the reaction of zinc and hydrochloric acid. 2. How does temperature affect the reaction rate? Briefly explain. 3. How does concentration affect the reaction rate? Briefly explain. 4. Write the balanced chemical equation for the decomposition of hydrogen peroxide.
please help Zinc reacts with hydrochloric acid according to the reaction equation Zn(s) +2HCl(aq) ? ZnCl2(aq)-H2(g How many milliliters of 4.50 M HCl(aq) are required to react with 5.25 g of an ore containing 50.0% Zn(s) by mass? Number mL
12. Using the Henderson-Hasselbalch equation, prove (mathematically and chemically) why pH equals pkat half-way to the equivalence point of the reaction. (6 pts) 13. You have a buffer that contains acetic acid and sodium acetate. Write the complete and balanced chemical reaction for what happens when sodium hydroxide is added to the buffer. Write a complete and balanced chemical reaction for what happens when hydrochloric acid is added to the buffer. (8 pts)
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g) When 0.102 g of Zn(s) is combined with enough HCl to make 54.6 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.9 ∘C to 24.3 ∘C. Find ΔHrxn for this reaction as written. (Use 1.0 g/mL for the density of the solution and 4.18 J/g⋅∘C as the specific heat capacity
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s)+2HCl(aq)?ZnCl2(aq)+H2(g) When 0.112 g of Zn(s) is combined with enough HCl to make 54.9 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21.7 ?C to 23.9 ?C. Find ?Hrxn for this reaction as written. (Use 1.0 g/mL for the density of the solution and 4.18 J/g??C as the specific heat capacity.) Answer should be in kJ/mol.