Calcium hydroxide reacts with hydrochloric acid by the following equation: Ca(OH)2(aq)+ 2Ha(aq) CaCl2(aq) + 2H20() Calculate...
Review Problem 6.084 Calcium hydroxide reacts with hydrochloric acid by the following equation: Ca(OH)2(aq)2HCI(aq)CaCl2(aq) +2H20() Calculate AHo in kilojoules for this reaction, using the following equations as needed. CaO(s)+2HCI(aq) CaCl2(aq) +H20() AHo=-186 k) CaO(s) +H20()Ca(OH)2(s) AHO Ca(OH)2(s)Ca(OH)2(aq) AHo = -12.6 kJ (dissolving in water) -65.1 kJ AHo kJ The number of significant digits is set to 3; the tolerance is +/-2 % Show Work is REQUIRED for this question: Open Show Work SHOW HINT LINK TO TEXT
Calcium reacts with water according to the chemical equation below: Ca + 2H20 --> Ca(OH)2 + H2 All but which reaction is expected to occur on the basis of the reaction of calcium and water? A. Ra + 2H20 --> Ra(OH)2 + H2 OB. Sr+ 2H20 --> SH(OH)2 + H2 OC. Al + 2H20 > A(OH)2 + H2 OD. Mg + 2H20 --> Mg(OH)2 + H2 O E. Be + 2H2O -> Be(OH)2 + H2
8. Calcium carbide (CaC2) reacts with water to form acetylene (C2H2) and Ca(OH)2. From the following enthalpy of reaction data and the standard enthalpy changes listed, calculate the AHOc for CaC2(s). (2 points) CaC2(s) +2H20(1) -> Ca(OH)2(s) C2H2(g) AH.2 kJ AH kJ/mol) H2O(g) -241.82 H20(1) -285.83 Ca(OH)2(s)--986.2 C2H2(g) +226.77
For the reaction Ca(OH)2(aq) + 2HCl(aq) +CaCl2(s) + 2H2O(1) AH° = -30.2 kJ and AS° = 205.9 J/K The maximum amount of work that could be done when 1.91 moles of Ca(OH)2(aq) react at 291 K, 1 atm is kJ. Assume that AH° and AS° are independent of temperature. Submit Answer Retry Entire Group 3 more group attempts remaining
For the reaction 2HCl+Ca(OH)2⟶CaCl2+2H2O how many grams of calcium hydroxide, Ca(OH)2, are needed to react completely with 31.9 g of hydrochloric acid, HCl?
1. Consider the following equation: Ca(OH)2(s) + 2HCl(aq) + CaCl2(aq) + 2 H20(1).Solve the following questions based on the above questions, a. What type of chemical reaction is taking place? b. How many liters of 0.100 M HCI would be required to react completely with 5.00 grams of calcium hydroxide? (5 pts) Show the work. c. If I combined 15.0 grams of calcium hydroxide with 75,0 mL of 0.500 M HCI, how many grams of calcium chloride would be formed?...
Calcium carbonate (CaCO3) reacts with stomach acid (HCl, hydrochloric acid) according to the following equation: CaCO3(s)+2HCl(aq)⟶CO2(g)+H2O(l)+CaCl2(aq) Tums, an antacid, contains CaCO3. If Tums is added to 10.0 mL of a solution that is 0.400 M in HCl, how many grams of CO2 gas are produced?
2. (10 pts) Given the following data Ca(s)2C(graphite)CaC2(s) -62.8 kJ OH635.5 Ca(s)1/202(g) CaO(s) kJ CaO(s)H20()- Ca(OH)2(aq) OH 653.1 kJ 2CO2(g)H2O(l OH1300 C2H2(g)5/202(g) kJ C(graphite) O2(g)CO2(g) H= -393.5 kJ calculateH for the reaction (show your work for full credit) CaC2(s)+ 2H20()- Ca(OH)2(aq) CH2(g)
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + H20(1) – Ca(OH)2(s) In a particular experiment, a 4.50-g sample of Cao is reacted with excess water and 5.45 g of Ca(OH), is recovered. What is the percent yield in this experiment? 6.47 91.6 1.21 121
For the reaction 2 HCl + Ca(OH), CaCl2 + 2H2O how many grams of calcium chloride, CaCl2, are produced from 78.3 g of hydrochloric acid, HCI? mass of calcium chloride: