Chemistry, 10.03.2021 19:30 nolanreano
HELP NOW3. Workers find two substances. One is a toxic chemical. The other is a safe chemical. Both chemicals are liquids at room temperature.
As a test, the workers transfer the same amount of energy out of the two containers and find that only the toxic chemical changes
phase. How is the toxic chemical different from the safe chemical?
The toxic chemical has a ...
weaker attraction between its molecules than the safe chemical. Its molecules now move in place.
weaker attraction between its molecules than the safe chemical. Its molecules now move around each other.
O stronger attraction between its molecules than the safe chemical. Its molecules now move away from each other.
stronger attraction between its molecules than the safe chemical. Its molecules now move in place.
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Answers: 3
Chemistry, 21.06.2019 23:30
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.
Answers: 2
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
Chemistry, 22.06.2019 12:30
Avariable that is not being directly tested during an experiment should be changed varied experimented controlled
Answers: 1
HELP NOW3. Workers find two substances. One is a toxic chemical. The other is a safe chemical. Both...
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