Chemistry, 27.04.2021 18:10 lealiastentz532542
C12H22011 (s) → 12 Cs) + 11 H2O(g)
(a) When sucrose is heated, it decomposes into solid carbon and
water vapor. If 3.98 g of water vapor is collected from this
reaction, how many moles of water vapor were produced? Use
stoichiometry to show your work.
(b) The water vapor is collected at 21.0°C in a 1500.0 mL
container. Calculate the pressure of the water vapor. (4.7)
(c) If the gas collected is placed into a larger 2000.0 mL container,
what would the new pressure of the gas be? Assume that the
temperature and number of moles stays constant. (4.8)
Answers: 1
Chemistry, 21.06.2019 22:30
Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
Answers: 1
Chemistry, 22.06.2019 02:00
Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents
Answers: 1
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
C12H22011 (s) → 12 Cs) + 11 H2O(g)
(a) When sucrose is heated, it decomposes into solid carbon and...
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