Chemistry, 07.06.2021 19:50 laurenppylant
s chart shows the experimental design of four students who are all observing what kind of bird eat more often. Student 1 Student 2 Student 3 Student 4 - Performed the experiment once Used the same area. same time of day, and same amount of seeds Repeated the experiment 5 times - Used the same area different time of day, and different amount of seeds - Repeated the Repeated the experiment 2 experiment 5 times times Used the same Used the same area different area. same time time of day and of day, and same different amount amount of seeds of seeds Vhich student is the most likely to have reproducible results? Student 1 Student 2 O Student 3 Mark this and return Save and Exit
Answers: 1
Chemistry, 22.06.2019 01:30
Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%
Answers: 3
Chemistry, 22.06.2019 18:00
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
s chart shows the experimental design of four students who are all observing what kind of bird eat m...
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