PEOPLE HELP I DONT WANT TO FAIL John hypothesized that dissolving salt into water produced a chemical reaction because the salt completely disappeared in the water. He dissolved 10 grams of salt into 500 mL of pure water. After leaving the beaker in the sunlight a few days, the water completely disappeared and salt crystals were left in the bottom of the beaker. Based on this observation, John knew his hypothesis was incorrect because- O A. the salt failed to completely dissolve in the water. B. the sunlight caused the chemical reaction to stop. C. the temperature of the pure water was below room temperature. O D. the salt and water were separated by a physical process.
Answers: 3
SAT, 25.06.2019 14:00
What is known as the rate of business expansion through increasing output and sales as opposed to mergers, acquisitions, and takeovers? a- organic growth b- corporate growth c- inorganic growth d- monetary growth
Answers: 1
SAT, 26.06.2019 05:30
The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.
Answers: 1
SAT, 29.06.2019 10:40
Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?
Answers: 2
PEOPLE HELP I DONT WANT TO FAIL John hypothesized that dissolving salt into water produced a chemica...
Mathematics, 20.12.2019 06:31