Chemistry, 04.01.2020 06:31 Nowellkwaku
Agroup of students designed an experiment with a thread and a rubber stopper. the steps of the experiment are listed below. 1. tie a rubber stopper to one end of a 20 cm long thread. 2. hold the other end of the thread and whirl it in a circle five times. 3. allow the thread to wind up on the finger. 4. observe that the rubber stopper moves faster as it comes nearer to the finger. the experiment most likely demonstrates (2 points) question 5 options: 1) kepler's first law of planetary motion 2) kepler's second law of planetary motion 3) newton's second law of motion 4) newton's third law of motion
Answers: 3
Chemistry, 21.06.2019 20:30
14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->
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Chemistry, 22.06.2019 07:30
In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?
Answers: 1
Chemistry, 22.06.2019 08:30
If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?
Answers: 1
Chemistry, 23.06.2019 00:30
An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid
Answers: 3
Agroup of students designed an experiment with a thread and a rubber stopper. the steps of the exper...
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