Chemistry, 18.02.2021 19:50 cynthiagutierrez65
Use what you learned from the PhET Simulation on the Properties of Gases and from the 3.04 Gas Laws lab to answer the following question. Write a paragraph!
Scenario (not a real experiment): Start with a balloon at room temperature, measure the diameter. Then put it into hot water and measure the diameter. Then put it into ice water and measure the diameter.
Explain why a balloon in hot water expands but a balloon in ice water shrinks. Be sure to include the following information:
(1) the number of molecules
(2) the temperature
(3) energy of the molecules
(4) the pressure
(5) the volume
Answers: 2
Chemistry, 22.06.2019 00:30
Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants
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Chemistry, 22.06.2019 10:10
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
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Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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Chemistry, 22.06.2019 15:30
Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
Answers: 3
Use what you learned from the PhET Simulation on the Properties of Gases and from the 3.04 Gas Laws...
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