3 years ago

What are the 3 primary consumers and what are the 3 secondary consumers

1 answer:

7 0

3 Primary Consumers: Grasshopper, Praying Mantis, Mouse
3 Secondary Consumers: Hawk, Raccoon, Snake

By the Way: This is Biology, not chemistry

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Is A tomato smells rotten a chemical<br> reaction

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Answer:

yup

Explanation:

because chemical change took place

the reaction cant be reversible

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3 years ago

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How many mol of hydrogen in 2.8 mol of caffeine.

pochemuha

Empirical formula of caffeine is C₈H₁₀N₄O₂.

In 1 mol of caffeine we have 10 mol of hydrogen.
In 2,8 mol of caffeine we have x mol of hydrogen.

x = 2,8 mol * 10 mol / 1 mol = 28 mol

ANSWER: There are 28 mol of hydrogen.

:-) ;-)

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A meander is best described as a

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A meander is best described as a bend or curve in a stream channel.

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3 years ago

Which of the following increases as you move up a column of the periodic table?

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electronegativity increases

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3 years ago

When a 1.00 L sample of water from the surface of the Dead Sea (which is more than 400 meters below sea level and much saltier t

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Answer: Molarity of $MgCl_2$ in the original sample was 1.96M

Explanation:

Molarity is defined as the number of moles of solute dissolved per liter of the solution.

$Molarity=\frac{\text{no of moles}}{\text{Volume in L}}$

${\text {moles of solute}=\frac{\text {given mass}}{\text {molar mass}}=\frac{186g}{95g/mol}=1.96$

Now put all the given values in the formula of molarity, we get

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3 years ago