3rd attempt See Hint See Periodic Table Write a chemical equation for the hydrolysis reaction that explains why an...
2nd attempt See Periodic Table See Hint Feedback Write a chemical equation for the hydrolysis reaction that explains why an aqueous solution of CH3NH3Cl is acidic. [Please include the states of matter with each chemical species. Remember, it is an equilibrium reaction.] xx. He (aq).
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
aruizgrahadosal.sisu.d v 3rd attempt d See Periodic Table See Hint In a study to determine the rate of the following reaction: 2NO(g) +02 (8)2NO2(8) the concentration of NO was 0.0350 Mat t-5.0s and 0.0225 Mat t 650.0 s What is the average rate of the reaction during this time period? x 10 M/s 2.13 2nd attempt 1st attempt
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
3rd attempt See Periodic Table See Hint Fe(I) can be precipitated from a slightly basic aqueous solution by bubbling oxygen through the solution, which converts Fe(I) to insoluble Fe(II): 4Fe (OH) (aq)40H (aq) +0,(g) +2H,0(1) » 4Fe (OH)2(s) How many grams of O2 are consumed to precipitate all of the iron in 55.0 mL of 0.0950 MFe(II)? 2nd attempt <13/27 4 VIEW SOLUTION 18 OF 27 QUESTIONS COMPLETED SUBMIT ANSWER
3rd attempt Feedback See Periodic Table See Hint Exactly 10.5 mL of water at 30.0 °C is added to a hot iron skillet. All of the water is converted to steam at 100.0°C. The mass of the skillet is 1.50 kg. What is the change in temperature of the skillet? 47.82 C 2nd attempt > 1st attempt
3rd attempt W See Periodic Table Ammonia, NH3, rapidly reacts with hydrogen chloride, HCI, making ammonium chloride. Write a balanced chemical equation for the reaction States of matter need not be included. NH3 + HCl – NHẠC |
23 Question (1 point) See page 330 2nd attempt See Periodic Table See Hint Feedback Balance the neutralization reaction of phosphoric acid with magnesium hydroxide. States of matter are not needed. х. Не X х) Mg(он), — н,о H2PO43 23/27 C TRY AGAIN VIEW SOLUTION 20 OF 27 QUESTIONS COMPLETED
See Periodic Table O See Hint Include states of matter. Write a balanced chemical equation for the equilibrium reaction occurring in a buffer c equation so that its equilibrium constant is equivalent to K
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