Chemistry, 14.11.2019 19:31 osnielabreu
Which of the following is a complete description of the velocity of an object in motion?
a train travels due west at 90 km/h.
a 7 kg bowling ball rolls a distance of 20 m in 3 s.
a runner jogs 6 km/h for 10 minutes.
birds fly 600 km south for the winter.
Answers: 2
Chemistry, 22.06.2019 14:50, ladybugperez05
Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
Answers: 1
Chemistry, 22.06.2019 23:00, tovarclaudia055
What does a numerical subscript following an element in a chemical formula mean?
Answers: 1
Which of the following is a complete description of the velocity of an object in motion?
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