In the equilibrium H20(1)+ HInd (aq) pink = H30++ Ind- (aq) yellow, what will adding HCL do to the equilibrium?
Le Chaterlier's principle States that if a dynamic equilibrium is distrurbed by changing the conditions Than position of equilibrium shifts to counteract the change.
In the equilibrium H20(1)+ HInd (aq) pink = H30++ Ind- (aq) yellow, what will adding HCL...
12 (1 Point) Consider the following equilibrium for an acid-base indicator: Hind H+ + Ind K = 1.0 x 10-10 Which of the following statements is correct at pH 7.0 ? A. [Ind"] <[HInd] B. [Ind'] = [HInd] C. [Ind] > [HInd] D. [Ind] = [HInd] = [HT] E. KA = [H*] A B Ос OD E
For the equilibrium system: CD(s)⇔ C+(aq) + D- (aq) ; CD in solid state is pink. D- in aqueous solution is yellow. The saturated aqueous solution of this system is yellow. XD is a liquid that dissolves in water to form: XD(l) → X+(aq) + D- (aq) ; if XD is added to the this system what would you expect to see? A. solution will turn more yellow B. pink solid will form C. solution will turn clear D. none...
Consider the buffer solution: HNO3(aq) + H20(1) -- NO2 (aq) + H30*(aq) What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
Write a balanced base equation for F"(aq) F (aq) + H20(1) =H30+ (aq) + HF (aq) F"(aq) + H20(1) = H20"(aq) + F(aq) F (aq) + H2O(0) = OH"(aq) + HF(aq) F"(aq) + H20(1)=H*(aq) + HOF(aq) Impossible to determine QUESTION 2 Write a balanced base equation for CH3CH2NH2(aq) CH3CH2NH2(aq) + H2O(1) = H30+ (aq) + CH3CH2NH" (aq) CH3CH2NH2(aq) + H2O(1) = OH(aq) + CH3CH2NH3(aq) CH3CH2NH2(aq) + H2O(1) = H20" (aq) + CH3CH2NH2+(aq) CH3CH2NH2(aq) + H2O(1) = NH4+(aq) + CH3CH2OH(aq) Impossible...
The following equation represents the dissociation of propionic acid in water. HC3H502(aq) + H20(1) = H30+(aq) + C3H502 (aq) The value for the acid-dissociation constant for propionic acid (HC3H502) is 1.3x10-5 at 25°C. Calculate the hydronium ion concentration present in a propionic acid solution that has the following equilibrium concentrations. 3.24x10-2 mol/L HC3H502 3.06x10-4 mol/L for propionic acid's conjugate base, C3H5027 The general form of the acid-dissociation constant is Ka = [H30'A ], where Ka is the acid-dissociation constant, [HA]...
5 (1 Point) Consider the following equilibrium for an indicator: Hind + H2OH,0* + Indº Which two species must be of two different colours in order to be used as an indicator? A. Hind and H2O B. Hind and Ind C. H,O* and Ind D. Hind and H,0* E. H2O and Ind ОА НОВ с Ο Ε
For the equilibrium system: CD(s)⇔ C+(aq) + D- (aq) ; CD in solid state is pink. D- in aqueous solution is yellow. The saturated aqueous solution of this system is yellow. XD is a liquid that dissolves in water to form: XD(l) → X+(aq) + D- (aq) ; if XD is added to the this system which way does the equilibrium shift? A. right ; toward products B. no shift C. left ; toward reactants D. none of these
chemistry
3 of 17 > e chemical equation by adding coefficients as needed. HCl(aq) + As,O,(s) + NaNO3(aq) + H20(1) NO(g) + H, Aso, (aq) + NaCl Balance the chemical equation by adding coefficients as needed. equation: HCl(aq) + As,0,(s) + NaNO, (aq) + H,00) - NO(g) + H 4:0 (aq) + NaCl(a)
What is the pH of a solution of 0.750 M KH2PO4, potassium
dihydrogen phosphate? thanks!!
At 25 C phosphoric acid, H3PO4, has the following equilibrium constants: H30+ (aq) + H2 PO4 (aq) H30+ (aq) + HP042-(aq) Kal 7.5 x 10-3 Ka2=6.2×10-8 Kas4.2 x 10-13 H, PO4 (aq) + H20(1) H,PO4-(aq) + H2O(1) 근 HPO(a)+H2O()HO (a)P (aq) ▼ Part A
At 25 C phosphoric acid, H3PO4, has the following equilibrium constants: H30+ (aq) + H2 PO4 (aq) H30+ (aq) + HP042-(aq)...
For which of the following reactions will the reactants be favored at equilibrium? NH3(aq) + H30+ (aq) = NH4+ (aq) + H20(1) CO32- (aq) + H30+ (aq) = HCO3(aq) + H2O(1) CH3COOH(aq) + OH(aq) = CH3COO" (aq) + H2O(1) HSO3- (aq) + H3O+ (aq) =H2SO3(aq) + H2O(1) CIOA" (aq) + H3PO4(aq) = HCIO4(aq) + H2PO4" (aq)