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iris [78.8K]
3 years ago
10

Chemistrys forerunners​

Chemistry
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

huhhhhhhhhhhhhhhhhhhh??

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What keeps gravitational force beteen two objects unchanged
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Keeping the masses of the objects unchanged, if the distance between the objects is halved, then the magnitude of gravitational force between them will become. Hope this helps please mark brainliest :)
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3 years ago
How many oxygen atoms are there in the following compound: 2HNO3<br> 3<br> 5<br> 6<br> 12
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Answer:

6

Explanation:

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3 years ago
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3 years ago
Which of the solutions have greatest osmotic pressure 30% sucrose 60% sucrose or 30% magnesium sulfate?
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<span>Osmotic pressure is the minimum amount of pressure a solution must exert in order to prevent from crossing a barrier by osmosis. Solute molecules have difficulty crossing semipermeable membranes, so the more solutes that are in a solution, the higher the osmotic pressure will be. Between 30% sucrose and 60% sucrose, 60% sucrose will have a greater osmotic pressure than 30% because it has a higher percentage of solutes. However, since sucrose has a higher potential to cross semipermeable membranes and is more absorbable than magnesium sulfate, magnesium sulfate would have a higher osmotic pressure than 60% sucrose even though 60% sucrose has higher molecules.</span>
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3 years ago
There are many factors that influence the population changes of an ecosystem. Which of these does not influence population size
devlian [24]

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B. An animal's weight

Explanation:

An animal's weight is the factor that does not influence population size in an ecosystem because this factor does not cause an increase or decrease the population of animals in an ecosystem. The birth and death rate of animals and number of animals in habitats are the factors that tells us about the increase and decrease in the population of organisms in an ecosystem but weight of organism can't affect the population.

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