How many atoms are in 0.30 moles of sulfur dioxide gas at stp?
a. 6.0 x 10 ^23
b. 1...
Chemistry, 02.10.2019 23:30 kaykardash
How many atoms are in 0.30 moles of sulfur dioxide gas at stp?
a. 6.0 x 10 ^23
b. 1.806 x 10 ^23
c. 2.01 x 10 ^24
d. 1,806
Answers: 2
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Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.
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Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
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