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aruizgrahadosal.sisu.d v 3rd attempt d See Periodic Table See Hint In a study to determine the...
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 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 See Hint See Periodic Table Write a chemical equation for the hydrolysis reaction that explains why an aqueous solution of CHNH,CI is acidic. Please include the states of matter with each chemical species. Remember,it is an equilibrium reaction 2nd attempt 4 OF 10 QUESTTIONS COMPLETED <05/10 + VIEW SOLUTION SUBMIT ANSWERT MacBook Air # % & 2 3 4. 5 6 8 W т U P A S F G H J K L z X C V...
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
In a study to determine the rate of the following reaction: 2NO(g) + O_2(g) rightarrow 2NO_2(g) the concentration of NO was 0.0500 M at t = 5.0 s and 0.0225 M at t = 650.0 s. What is the average rate of the reaction during this time period? M/s
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
14 Question e See page 585 (1 point) 1st attempt See Periodic Table See Hint -5 -1 The rate constant for the reaction below was determined to be 3.241x10 s a 225 kJ/mol. What wou Id be the value of the rate constant at 9.40x10 K? N20(g) > N2 (8) +O (g) 800 K. The activation energy of the reaction is -1 14 Question e See page 585 (1 point) 1st attempt See Periodic Table See Hint -5 -1 The...
3rd attempt id See Periodic Table See Hint A sample of a gas weighs 2.05g and has a volume of 956.0 mL at 685.0 torr and 40.0 °C. What is its molar mass? g/mol
V 1st attempt . See Periodic Table D See Hint Suppose an oven's radiation wavelength is 0.125 m. A container with 150.00 g of water was placed in the oven, and the temperature of the water rose from 20.0°C to 80.0°C. How many photons of this microwave radiation were required to heat the water? (Assume that all the energy from the radiation was used to raise the temperature of the water.) photons
10 Question (1 point) See page 700 V 1st attempt See Periodic Table D See Hint Pyridine (C5H5N) is a particularly foul-smelling substance used in manufacturing pesticides and plastic resins. Calculate the pH of a 0.145 M solution of pyridine (Kb = 1.4*10'). Byredine co son of a particularly four smeling substan