Chemistry, 02.12.2020 08:50 swaggg8300
5 A snowball sits at the top of the hill. Which of the following changes will increase the kinetic energy of the snowball? A Additional snow falls on the snowball, increasing its mass. B The snowball is pushed and rolls down the hill, gaining speed. The weather warms and the snowball melts, decreasing its mass. D The snowball is moved and now sits on a hill that is higher.
Answers: 2
Chemistry, 21.06.2019 22:30
What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)
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Chemistry, 22.06.2019 14:50
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.
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Chemistry, 22.06.2019 19:30
Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?
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5 A snowball sits at the top of the hill. Which of the following changes will increase the kinetic e...
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