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See pa 05 Question (1 point) A battery can provide a current of 1.60 A at...
14 Question (1 point) A battery can provide a current of 3.60 A at 1.80 V for 7.00 hr. How much energy (in kJ) is produced? 1st attempt See Hint See Periodic Table kJ Energy =
CH17HW 07/30/20 flander 01 Question (1 point) @ See page 785 If an alkaline battery produces a cell potential of 1.60 V, what is the value of AG ? The half-reactions in alkaline batteries are: ZnO(s) + H2O(1)+22 - Zn(s) + 2OH(aq) 2MnO,(s) +H20(1) +2e Mn,0,(s) +20H (94) 1st attempt Il See Periodic Table See Hint AG cell- ku SUBMIT ANSWER OOF 10 QUESTIONS COMPLETED < 01/10 > 1080
06 Question (1 point) See page 801 Oxygen Supply in Submarines Nuclear submarines can stay under water nearly indefinitely because they can produce their own oxygen by the electrolysis of water. 1st attempt diui See Periodic Table See Hint Feedback produced in 3.50 hr in an electrolytic cell operating How many liters of O2 at 298 Kand 1.00 bar are at a current of 0.0400 A? 0,00455 L
06 Question (1 point) See page 801 Oxygen Supply in Submarines Nuclear...
05 Question (1 point) 3rd attempt And See Periodic Table O See H Balance the neutralization reaction of phosphoric acid with magnesium hydroxide. States of matter are not needed. 8 H2PO4+ Mg(OH)2 I > 2nd attempt 1st attempt BOF 13 QUESTIONS COMPLETED < 05/13 > VIEW SOLUTION SUBMIT ANSW o BI
06 Question (1 point) See page 351 2nd attempt See Periodic Table See Hint Although no currently known elements contain electrons in gorbitals, such elements may be synthesized someday. What is the minimum atomic number of an element whose ground-state atoms have an electron in a gorbital? > 1st attempt
Question (1 point) 2nd attempt Feedback It See Periodic Table O See Hint In a 8.00 M nitrous acid (HNO,) solution, calculate (H). Nitrous acid is a weak acid with K - 4,00 x 104 at 25°C. 1.789 x 10- M > 1st attempt
05 Question (1 point) See page 289 Aballoon vendor at a street fair is using a tank of helium to fill her balloons. The tank has a volume of 191.0L and a pressure of 128.0 atm at 25.0°C After a while she notices that the valve has not been closed properly. The pressure had dropped to 118.0 atm. (The tank is still at 25.0°C) 1st attempt W See Periodic Table See Hint How many moles of gas has she lost?...
07 Question (1 point) e See page 690 (1 point) V 1st attempt i See Periodic Table D See Hint A solution is made by dissolving 0.06000 moles of Ba(OH)2 in enough water to make 770.0 mL of solution. What is the pH of the resulting solution?
05 Question (1 point) Select all of the bonds about which free rotation can occur. 1st attempt See Periodic Table See Hint
04 Question (1 point) 3rd attempt See Periodic Table See Hint Feedback Complete the following neutralization reaction between an acid and a base. Do not include the states of matter in the equation, and do not write coefficients of "1" 8 1 H.CO, - 2 KOH-K,Co, +2H,0 > 2nd attempt > 1st attempt BOF 13 QUESTIONS COMPLETED C TRY AGAIN < 04/13 > • VIEW SOLUTION е со o a