1.when molecules change state of matter from a liquid to a solid, then a. there is no change in the kinetic energy of the molecules. b. the kinetic energy of the molecules increases. c. the molecules stop moving. d. the kinetic energy of the molecules decreases. 2.timothy and kelsy put an ice cute on top of a sodium bicarbonate tab. over time, they witnessed bubbling coming from the place where the ice cube and tab meet. which of the following represents a similar kind of change in matter? a. baking a birthday cake for your mother. b. filling up a balloon with hot air. c. taking a glass of water and freezing it by placing it in the freezer d. your dog ripping up your homework. 3.an example of a chemical property is the a. mass of a substance per unit volume b. ability to dissolve in solution c. point where solid becomes liquid d. tendency to undergo oxidation
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Physics, 21.06.2019 23:00, 12camtheman
How is acceleration calculated? a. initial velocity - final velocity / timeb. initial velocity + final velocity / timec. final velocity - initial velocity / timed. final velocity / timele select the best answer from the choices provided0oood00save and exitnextmark this and return
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Physics, 22.06.2019 09:50, ggcampos
Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c. the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors
Answers: 1
1.when molecules change state of matter from a liquid to a solid, then a. there is no change in the...
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