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- Given the following information: acetylsalicylic acid (aspirin) hydrocyanic acid (2) At equilibrium the HC₂H704 HCN Submit Answer (1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.536 M aqueous acetylsalicylic acid (aspirin) and sodium cyanide are mixed. It is not necessary to include states such as (aq) or (s). (3) The pH of the resulting solution will be will be favored. = Try Another Version Ka = 3.0x10-4 Ka = 4.0x10 10 seven. + 2 item attempts remaining2. Differentiate exergonic and endergonic reactions from exothermic and endothermic reactions.9 eq req M Use the References to access important values if needed for this question. When CO(g) reacts with H₂O(1) to form CO₂(g) and H₂(g), 0.669 kcal of energy are absorbed for each mole of CO(g) that reacts. Write a balanced equation for the reaction with an energy term in kcal as part of the equation. Use the SMALLEST INTEGER coefficients possible and put the energy term in an appropriate box. If a box is not needed, leave it blank. vnload.html Submit Answer 14 Q A R S + 96 5 Retry Entire Group 339239636_94....jpeg A T H + B 6 tv STA Y 8 more group attempts remaining MacBook Air H → & 7 339239636 94....jpeg Failed - Insufficient permiss.... N 44 FZ 8 M A - DII 1 ( 9 K + 339239636_94....jpeg Failed - Insufficient permiss... X FO O + ) O A P ; Previous Next> . Show All X
- when 3 L of silver nitrate and 3 L of hydrochloric acid, both at 0.25 M, are mixed, a precipitate is formed. The enthalpy change for the reaction is -45 J. Calculate the enthalpy change in kJ/mol of silver chloride.11. How much heat is released when 4.19 mL of 0.54 M HBr reacts with 23.50 mL of 0.0695 M Ba(OH)₂? 2 HBr(aq) + Ba(OH)₂(aq) → BaBr₂(aq) + 2H₂O(l) A) -446 J B) 446 J C) 130 J D) 187 J E) -187 J AH=-114.6 kJSodium hydrogen carbonate NaHCO3, also known as sodium bicarbonate or "baking soda", can be used to relieve acid indigestion. Acid indigestion is the burning sensation you get in your stomach when it contains too much hydrochloric acid HCl, which the stomach secretes to help digest food. Drinking a glass of water containing dissolved NaHCO3 neutralizes excess HCl through this reaction: HCl(aq)+NaHCO3(aq)→NaCl(aq)+H2O(l)+CO2(g) The CO2 gas produced is what makes you burp after drinking the solution. Suppose the fluid in the stomach of a woman suffering from indigestion can be considered to be 200.mL of a 0.089M HCl solution. What mass of NaHCO3 would she need to ingest to neutralize this much HCl? Be sure your answer has the correct number of significant digits.
- Calculate the energy released for the consumption of 350mL of 6.5 M LiOH in the following neutralization reaction with the given heat of neutralization. LiOH(aq) + HCl(aq) → LiCl(s) + H2O(ℓ) ΔHo = -18.61 kJ/molDd.101.The solubility of AgBrO, in water at 25 °C is measured to be 1.7 Use this information to calculate K for AgBrO3. sp Round your answer to 2 significant digits. x10
- A salt has a solubility in water of 2.5 g/L at 25 °C Suppose you mixed 10.0g of this salt with 3.0 L of water in a beaker and allowed the salt to dissolve. The temperature of the solution was kept at 25 °C. Would there be any solid left in the beaker after the salt has dissolved? Select one: O Yes, there would be some solid would be left in the beaker. O No, there would not be any solid left in the beaker. Not enough information is provided to answer this questionBalance the chemical reaction below: _Pb(OH)2 + _NaCl => _PbCl2 + _NaOH What coefficient goes in front of NaOH?An increase in water temperature is observed when 1.97 g of NaOH is added. The enthalpy change for this reaction is -2.19 kJ. Calculate the AH°scln for NaOH. The AH°scln for NAOH is -44.5 kJ/mol. The AH° soln for NaOH is -26.3 kJ/mol. O The AH°scln for NaOH is -72.4 kJ/mol.
