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Question 3 (1 point) Which of the following correctly lists...
I hope the answer is clear and correct thanks Question 3 (1 point) Given the following...
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Question 3 (1 point) Given the following reactions and their corresponding changes in enthalpy 2Al(s) + 3Br (1) Z 2A1Br,(s) Ahrº=-1054 kJmol'i SnBr(s) 2 Sn(s) + 2Br (1) Ahrº=377.4 kJmoli What is the change in enthalpy for the following reaction in kJmoll? 2Al(s) + Br_(1) + SnBr,(s) 32A1Br (s) + Sn(s) Ahrº = O 1) -1809 2) -677 3) -1431 4) 2485 5) 3917 Question 4 (1 point) Given the following...
I hope the answer is clear and correct thanks Question 5 (1 point) Given the following...
I hope the answer is clear and correct thanks
Question 5 (1 point) Given the following reactions and their corresponding changes in enthalpy 2Al(s) + 3Br (1) 32A1Br (s) Ahrº=-1054 kJmoli 4PBr,(1) 2 P,(s) + 6Br2(1) Ahrº=738.0 kJmol'i What is the change in enthalpy for the following reaction in kJmol'1? 2Al(s) + 4PBr (1) 32A1Br (s) + P.(s) + 3Br (1) Ahrº = 1) -2530 2) -1792 3) -316 4) -4638 5) 4322 Question 6 (1 point) Which of the...
need help clear your answer !! Question 1 (1 point) Which of the following correctly lists...
need help clear your answer !!
Question 1 (1 point) Which of the following correctly lists the ions in order of increasing absolute value of the enthalpy of hydration? O 1) srat < cazt <I 2) I < Sr2+ < Ca2+ 03) sr2< < cazt O 4) caz* < Srz* <I 05) Ca2+ < I < Sr2+ Question 2 (1 point) Which of the following is true? i. Combustion enthalpies are always negative. ii. Hydration enthalpies are always negative. O...
I hope the answer is clear and correct thanks Question 1 (1 point) What is the...
I hope the answer is clear and correct thanks
Question 1 (1 point) What is the change in enthalpy (in kJ mol'?) for the following reaction F2(g) + Cabr,(s) CaF() + Brz(1) O 1) -112 kJmo12 O2) 504 kJmo11 03) -504 kJmol 1 04) 537 kJmo11 O 5) -537 kJmol'i Question 2 (1 point) What is true about the following reaction at 25°C? F,(g) + 2HCl(g) 2 2017(g) + H (9) Ahrº=76 kJ mol'i Asr°=-10.13 J mol'i Ki Agrº=79 kJ...
asap Question 5 (1 point) For the following reaction at equilibrium, which choice gives a change...
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Question 5 (1 point) For the following reaction at equilibrium, which choice gives a change that will shift the position of equilibrium to favor products? CuO(s) + H2(g) H2O(g) + Cu(s); = -2.0 kJ/mol increase the temperature add some Cu(s) decrease the temperature remove some CuO(s) Question 6 (1 point) Determine the freezing point of a solution which contains 18 g of Na2SO4 in 175 g of water. Kf = -1.86°C/m 0-0.57°C 0-9.43°C O-4.04°C -1.35°C A student is taking...
HELP!!!!! as soon as possible Question 9 (1 point) Which of the following reactions would show...
HELP!!!!! as soon as possible
Question 9 (1 point) Which of the following reactions would show an increase in entran apply. O CaCO3 (s) CaO (s) + CO28) C6H6(s) C6H6() 4 NO (g) + 6 H20 (8) 4 NH3(g) + 5 O2 (g) 2 NIS (s) + 3 O2 (g) - 2 SO2(g) + 2 NIO (s) 2503(9) 2SO2(g) + O2(g) 3 Question 8 (1 point) Which of the following has the highest entoon C6H12(l) at 200 K in a...
Answer the following question. B Putting It Together: Which Procedure Do I Use? X9.3.17 O of 1 Point EQuestion...
Answer the following question.
B Putting It Together: Which Procedure Do I Use? X9.3.17 O of 1 Point EQuestion Help In a survey of 1015 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1015 surveyed, 535 stated that they were worried about having enough money to live comfortably in retirement. Construct a 90% confidence interval for the proportion of adults who are worried about having...
I
hope the answer is clear and correct thanks
Question 3 (1 point) Given the following reactions and their corresponding changes in enthalpy 2Al(s) + 3Br (1) Z 2A1Br,(s) Ahrº=-1054 kJmol'i SnBr(s) 2 Sn(s) + 2Br (1) Ahrº=377.4 kJmoli What is the change in enthalpy for the following reaction in kJmoll? 2Al(s) + Br_(1) + SnBr,(s) 32A1Br (s) + Sn(s) Ahrº = O 1) -1809 2) -677 3) -1431 4) 2485 5) 3917 Question 4 (1 point) Given the following...
I hope the answer is clear and correct thanks
Question 5 (1 point) Given the following reactions and their corresponding changes in enthalpy 2Al(s) + 3Br (1) 32A1Br (s) Ahrº=-1054 kJmoli 4PBr,(1) 2 P,(s) + 6Br2(1) Ahrº=738.0 kJmol'i What is the change in enthalpy for the following reaction in kJmol'1? 2Al(s) + 4PBr (1) 32A1Br (s) + P.(s) + 3Br (1) Ahrº = 1) -2530 2) -1792 3) -316 4) -4638 5) 4322 Question 6 (1 point) Which of the...
need help clear your answer !!
Question 1 (1 point) Which of the following correctly lists the ions in order of increasing absolute value of the enthalpy of hydration? O 1) srat < cazt <I 2) I < Sr2+ < Ca2+ 03) sr2< < cazt O 4) caz* < Srz* <I 05) Ca2+ < I < Sr2+ Question 2 (1 point) Which of the following is true? i. Combustion enthalpies are always negative. ii. Hydration enthalpies are always negative. O...
I hope the answer is clear and correct thanks
Question 1 (1 point) What is the change in enthalpy (in kJ mol'?) for the following reaction F2(g) + Cabr,(s) CaF() + Brz(1) O 1) -112 kJmo12 O2) 504 kJmo11 03) -504 kJmol 1 04) 537 kJmo11 O 5) -537 kJmol'i Question 2 (1 point) What is true about the following reaction at 25°C? F,(g) + 2HCl(g) 2 2017(g) + H (9) Ahrº=76 kJ mol'i Asr°=-10.13 J mol'i Ki Agrº=79 kJ...
asap
Question 5 (1 point) For the following reaction at equilibrium, which choice gives a change that will shift the position of equilibrium to favor products? CuO(s) + H2(g) H2O(g) + Cu(s); = -2.0 kJ/mol increase the temperature add some Cu(s) decrease the temperature remove some CuO(s) Question 6 (1 point) Determine the freezing point of a solution which contains 18 g of Na2SO4 in 175 g of water. Kf = -1.86°C/m 0-0.57°C 0-9.43°C O-4.04°C -1.35°C A student is taking...
HELP!!!!! as soon as possible
Question 9 (1 point) Which of the following reactions would show an increase in entran apply. O CaCO3 (s) CaO (s) + CO28) C6H6(s) C6H6() 4 NO (g) + 6 H20 (8) 4 NH3(g) + 5 O2 (g) 2 NIS (s) + 3 O2 (g) - 2 SO2(g) + 2 NIO (s) 2503(9) 2SO2(g) + O2(g) 3 Question 8 (1 point) Which of the following has the highest entoon C6H12(l) at 200 K in a...
Answer the following question.
B Putting It Together: Which Procedure Do I Use? X9.3.17 O of 1 Point EQuestion Help In a survey of 1015 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1015 surveyed, 535 stated that they were worried about having enough money to live comfortably in retirement. Construct a 90% confidence interval for the proportion of adults who are worried about having...
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