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Which statement is true about the reaction HNO3 (aq)+NaOH(aq) A.) a precipitate will be produced B.)...
Which of these solutions would produce precipitate? a. NaCl + AgNO3 b. HNO3 + NaOH c. HCl + NaI d. H2SO4 + CaCl2
For the reaction of NiF2(aq) with NaOH(aq) identify any possible precipitate. If no precipitate is formed, write 'no reaction'.
5. Which combination will produce a precipitate? a) NH4OH(aq) and HCl(aq) b) AgNO3(aq) and CaCl2(aq) c) NaOH(aq) and HCl(aq) d) NaCl(aq) and H2SO4(aq)
QUESTION 1 Heat is required to dissolve NaOH(s) in water. A-True B-False -------------------- QUESTiON 2 The below equation represents an exothermic reaction: Reactants + delta H ----> product ATrue B-False -------------------- QUESTION 3 The Styrofoam cup was used as an insulated device that allows heat loss A-True B-False -------------------- QUESTION 4 The following is an endothermic reaction; NaOH+ HCI------> NaCl+H2O+42.12KJ A-True B-False -------------------- QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of NaOH needed to make the reaction above...
please answers all these questions : QUESTION 5 NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ Calculate the amount (in moles) of NaOH needed to make the reaction above releases 1000 kJ 22.71 mol 0.04402 mol 44020 mol 44.02 mol ______________ QUESTION 6 Use the equation below to find heat released if 2 moles of NaOH was dissolved in water. NaOH(s)---> Na^+(aq)+CH^-(aq)+44.02kJ A-44.02 kJ B-2.00 KJ C-88.02 KJ D-22.01 KJ --------- Question 7 In a neutralization reaction, NaOH(ag) reacted with HCl(ag) at 21.019C to produce 80g...
Question 12 (5 points) (12) For an acid - base neutralization reaction, which statement is true? (b) It absorbs heat, and is exothermic. (a) It releases heat, and is exothermic. (c) It releases heat, and is endothermic (d) It absorbs heat, and it is endothermic. Question 13 (7 points) (13) In an acid-base reaction, 1 M of 100 ml. HCl(aq) is used to react with NaOH (aq). What is the mole number of HCI used? O(a) 1 mole (b) 0.1...
DATE: b) Decomposition reaction is the opposite of combination reaction (True/ False) Formation of a precipitate, formation of a gas and formation of a weak electrolyte are all part of a Double displacement reaction. (True/ False) d) Fe (s) + 2HCl(aq) - FeCl + H2(g), is a Decomposition reaction. (True False) 32. Complete and balance the followings chemical reactions: a) Mg(s) + 02 - b) Cacos - c) CuSO. + Zn - d) AgNO, + NaCl- 33. Classify each of...
. A) 1.25 L B) 2.50 L Q13. 1.0 L of 1 M NaOH(aq) and 1.0 L of 1 M HNO3(aq), both initially at 25.0 °C, were mixed calorimeter. The temperature of the solution rose to 28.1°C. How much heat was released? Assume the specific heat capacity of all solutions is 4.184J/(g°C), and the density of all solution is 1.00 g/l A)-80.1 kJ B) -77.8 C)-52.0 l D) -26,0 11
For the reaction Ba(OH)2 (s) -- Ba2+ (aq) + 2 OH (aq) a precipitate will form if Q< K. Select one: True False Into a solution of 0.10 M KBr and 0.10 M KCYOA you add 0.050 M silver nitrate dropwise until a precipitate forms. Ksp for Ag2Cronis 9.0 x 10-12. Ksp for AgBr is 5.0 x 10-13. Which of the following will precipitate first? Select one or more: a. silver chromate b. no precipitate will form C. silver bromide...
1.When HCl(aq) and NaOH(aq) are mixed in a beaker, the beaker feels warm to the touch. What is known about the enthalpy of this reaction? a. The reaction is exothermic. b. The reaction is endothermic. c. Heat is absorbed from the surroundings. d. H is positive.