Chemistry, 19.12.2020 05:40 mariahdixon80
Which statement best explains why different gases effuse at different rates?
At a given pressure, gas particles with smaller masses move faster.
At a given pressure, gas particles with smaller masses move slower.
At a given temperature, gas particles with smaller masses move faster.
At a given temperature, gas particles with smaller masses move slower.
Answers: 1
Chemistry, 22.06.2019 06:00
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 08:30
Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
Chemistry, 22.06.2019 10:10
Stage in which a star’s outer layers have started to cool and grow outward?
Answers: 3
Which statement best explains why different gases effuse at different rates?
At a given pressure, g...
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