2kclo3(s) → 2kcl(s) + 3o2(g)

molecular oxygen is produced by the decomposition of kclo3. how many liters of o2 are produced by the complete decomposition of 100.0 g of kclo3 at stp?
a) 27.4 liters
b) 41.1 liters
c) 82.2 liters
d) 100 liters

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )