(1 Point) What reaction occurs when sodium oxide dissolves in water? A. NaO(s) → Na2+(aq) +...
Sodium reacts with water according to the reaction: 2Na(s)+2H2O(l)→2NaOH(aq)+H2(g) Identify the oxidizing agent. a) H2O(l) b) NaOH(aq) c) Na(s) d) H2 (g)
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) Na+ (aq) + Cl- (aq) What is the sign of the change in Gibbs free energy (DG) for each process in the forward direction?
The reaction of sodium(s) with water(l) to form sodium hydroxide(aq) and hydrogen(g) proceeds as follows: 2Na(s) + 2H2O(1)—>2NaOH(aq) + H2(g) When 5.91 g Na(s) reacts with sufficient H2O(1), 47.4 kJ is evolved. Calculate the value of A,H for the chemical equation given. kJ/mol Submit Show Approach Show Tutor Steps
The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When a 13.9-g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increases from 23.0 °C to °C. Assume that the solution has the same specific heat as liquid water. Given the data in the table below, calculate the AH° for the combustion of ammonia NH3(g) + O2(g) → NO(g) + H2O(1) AH?” (kJ/mol) - 286 90 Substance...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl- (aq) Write ionic equations, similar to the one above, that describe how NaNO3 and NaCH3COO each dissociate as they dissolve in water. Include heat as a reactant or product in each equation.
What is the reaction that occurs when a small amount of sodium hydroxide is added to the buffer? Suppose a buffer solution is made from dimethylamine, (CH3)2NH, and the related salt, (CH3)2NH,CI. What is the reaction that occurs when a small amount of sodium hydroxide is added to the buffer? Select one or more: a. NaOH(aq) + (CH3)2NH (aq) - (CH3)2NHNa (aq) + H2O (0) b. (CH3)2NHCI (aq) + H20 (1) Bà (CH3)2NH2Cl(aq) + OH (aq) c. OH(aq) + (CH3)2NH2"...
Consider the reaction of sodium sulfide with oxygen and water. 2Na2S (aq) + 2O2 (g) + H2O (l) -----> Na2S2O3 (aq) + 2NaOH (aq) Determine the limiting reactant in a mixture containing 195 g of Na2S, 67.2 g of O2, and 26.8 g of H2O. Calculate the maximum mass (in grams) of sodium thiosulfate, Na2S2O3, that can be produced in the reaction. Also determine if the limiting reactant is: Na2S, H2O, or O2
1) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is A) H+ (aq) + HNO3 (aq) + 2OH- (aq) → 2H20 (1) + NO3- (aq) B) HNO3 (aq) + NaOH(aq) → NaNO3(aq) + H20 (1) C) H+ (aq) + OH- (aq) + H2O (1) D) HNO3 (aq) + OH- (aq) + NO3- (aq) + H2O (1) E) H+ (aq) + Na+ (aq) + OH- (aq) → H20 (1) + Na+ (aq) 2) Which...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) à Na+ (aq) + Cl- (aq) Write ionic equations, similar to the one above, that describe how NaNO3 and NaCH3COO each dissociate as they dissolve in water. Include heat as a reactant or product in each equation
5.55 When a 6.50-g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee-cup calorimeter (Figure 5.18), the temperature rises from 21.6 °C to 37.8 °C. Calculate ?? (in kJ/mol NaOH) for the solution process NaOH(s)-Na"(aq) + OH-(aq) Assume that the specific heat of the solution is the same as that of pure water.