Consider the reaction Mg(OH)2(s) + 2HCl(aq) – MgCl2(aq) +2H2O(l). What is the mass of Mg(OH),(s) needed...
Consider the reaction Mg(OH)2(s) + 2HCl(aq) - MgCl2(aq) +2H2O(1). What is the mass of Mg(OH)2(s) needed to react with 25 ml of 0.20 M HCl(aq)? 470g O 0.158 O 0.298 230g
Consider the following reaction. MgCl2(aq)+2NaOH(aq)⟶Mg(OH)2(s)+2NaCl(aq) A 166.0 mL solution of 0.381 M MgCl2 reacts with a 47.33 mL solution of 0.568 M NaOH to produce Mg(OH)2 and NaCl. Identify the limiting reactant. NaOH Mg(OH)2 MgCl2 NaCl Caclulate the mass of Mg(OH)2 that can be produced. The actual mass of Mg(OH)2 isolated was 0.559 g. Calculate the percent yield of Mg(OH)2.
Complete and balance the reaction below: Mg (s) + 2HCl (aq) → MgCl2 (aq) + H2 (s) How many moles of H2 gas will be produced from 2 mol of HCl ? 2HCl ---à H2 + Cl2 1 mol of H2 gas will be produced from 2 moles HCl. How would you determine the volume of a 125mL Erlenmeyer flask that you will use for the experiment? (a 125 mL flask does not have a total volume of 125 mL)...
Consider the reaction Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° = 205.9 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 1.934 moles of Ca(OH)2(aq) react under standard conditions at 298.15 K. Suniverse = ----------J/K (2) Is this reaction reactant or product favored under standard conditions? (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is...
Consider the reaction H2SO4(aq) + 2NaOH(aq) → 2H2O(l) +Na2SO4(aq). If 25 mL of H2SO4 was needed to react with 15 mL of 0.20 M NaOH, what is the molarity of the H2SO4(aq)?
According to the following reaction: 2HCl (aq) + Ba(OH)2 (aq) BaCl2 (aq) + 2H2O (l) What would you multiply "grams of hydrochloric acid" by to convert to the units "moles of barium hydroxide" ? grams HCl _____ ____ ______ _____ = moles Ba(OH)2 (number) (unit) (number) (unit) ______ ____ _____ ____ (number) (unit) (number) (unit) PLEASE ANSWER IN THAT FORMAT ^^^^^^^^^^^^^^^ :)
Consider the reaction Ca(OH)2(aq) + 2HCl(aq) +CaCl (s) + 2H2O(1) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.26 moles of Ca(OH)2(aq) react at standard conditions. AS surroundings = J/K Consider the reaction 2CO(g) + O2(g)— 2C02(g) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 1.60 moles of CO(g) react at standard conditions. AS surroundings = JK
Consider the reaction: Ca(OH)2(aq) + 2HCl(aq) +CaCl(s) + 2H2O(1) Using standard absolute entropies at 298K, calculate the entropy change for the system when 2.26 moles of Ca(OH)2(aq) react at standard conditions As system = JK Consider the reaction: 200(g) + O2(9)—*2002) Using standard absolute entropies at 298K, calculate the entropy change for the system when 1.60 moles of CO(g) react at standard conditions. ASºsystem ПІК
Consider the following reaction: 2 HCl(aq) + 1 Mg(s) → 1 MgCl2(aq) + 1 H2(g) ΔH°rx = -465.8 kJ Determine the amount of heat released, in kJ, of each of the following scenarios. Give each answer to 2 decimal places. (a) 10.69 g of Mg(s) is reacted with excess HCl(aq)· (c) 1.17 g of H2(g) is produced from the reaction after completion. (b) Excess Mg(s) is added to 440 mL of 0.996 M of HCl(aq)· (d) 580 mL of a...
What is the correct overall reaction (the combustion of magnesium)? Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)