Chemistry, 31.07.2019 07:50 peytondavis2424
Omar wants to determine if the mass of a model rocket affects how long the rocket is able to stay up in the air. to do this, he constructs three identical rockets and then fills two of the rockets with varying amounts of sand to add mass. he then launches the rockets one at a time and times how long they are able to stay airborne. what is the test variable (independent variable) in omar's experiment? a. the masses of the model rockets b. the force with which each rocket is launched c. the materials out of which the rockets were made d. the time the rockets remain airborne
Answers: 2
Chemistry, 21.06.2019 20:50
Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread
Answers: 2
Chemistry, 22.06.2019 12:00
Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3
Answers: 1
Chemistry, 22.06.2019 15:30
The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe
Answers: 1
Chemistry, 22.06.2019 17:30
Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".
Answers: 2
Omar wants to determine if the mass of a model rocket affects how long the rocket is able to stay up...
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