At certain conditions 0.26 moles of O2 is consumed in 3.0 minutes. What is the rate of production of CO2 in g/s?
At certain conditions 13.44 L of CO2 is produced in 180.0 s at STP.?What is the rate of consumption of C2H5OH in g/min ? (Note 22.4 L/mol) (3 marks)
Given the reaction: Al(s) + 3Cl2 (g) ?2 AlCl3(s)?It is found that chlorine is consumed at a rate of 0.2485 g/s. Calculate the total mass of AlCl3 produced if this rate is maintained for 3.00 minutes.
Given the reaction: 2 H2(g) + O2 (g) ?2 H2O (l) , explain why this reaction is very slow at room temperature.
Given the reaction: N2(g) + 3 H2(g) ?2 NH3(g)?If the rate of formation of NH3 is 8.0 x 10-3 mol/s, calculate the rate of consumption of H2 in mol/s.
Given the reaction: Sn(s) + 2 HCl(aq) ??H2(g) + SnCl2(aq)?Give 4 methods by which the rate of this reaction could be increased
Consider the following reaction: Zn(s) + 2HCl (aq) ?ZnCl2 (aq) + H2(g)
a) What bonds are broken, and what bonds are formed?
b) Describe the reaction in terms of fast and slow steps.
c) Explain why increasing the concentration of HCl would increase the rate of this reaction
d) Describe a method for quantitatively assessing the rate of this reaction empirically (experimentally).
Zn(s) + 2HCl(aq) ?H2(g) + ZnCl2(aq)
Write the same equation in net-ionic form:
Using a table of standard enthalpies of formation (there are many available on the internet free of charge if you Google it; Wikipedia has a generally reliable one), determine the enthalpies of the following reactions. Express your answer in kJ/mol. Show all of your work. (4 marks each).
a) C3H8(g) + 5 O2(g) ?3 CO2(g) + 4 H2O(g)
b) HCl(aq) + Ca(OH)2(aq) ?CaCl2(aq) + H2O(l)
c) Zn(s) + 2HCl(aq) ?H2(g) + ZnCl2(aq)
a) GIVEN:?Fe2O3(s) + 3 CO(g) ?2 Fe(s) + 3 CO2(g)
CO(g) + 1?2 O2(g) ?CO2(g) ...Find ?H for
?H = 26.7 kJ ?H = 283.0 kJ
Excerpt from file: 1. Consider the reaction: C2H4 (g) 3O2(g) 2CO2(g) 2H2O(g) At certain conditions moles of O2 is consumed in 3.0 minutes. What is the rate of production of CO2 in g/s? ! 2 ! 44.0 ! 1min / 3 3 ! 1...
Filename: Energy Changes and Rates.pdf
Filesize: < 2 MB
Print Length: 3 Pages/Slides
Surround your text in
**bold**, to write a math equation use, for example,