2 years ago

1. It is the place near the coast where sea water and fresh water mixes and is called “nurseries

Chemistry

1 answer:

lawyer [7]2 years ago

4 0

Answer:

Estuaries are often called the “nurseries of the sea”

Explanation:

Because so many marine animals reproduce and spend the early part of their lives there.

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What is a sign that a chemical change has occurred?

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Answer:

The production of heat, light, or smoke is observed.

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3 years ago

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The stock concentration of NaOH is 0.5M. 0.5M = 0.500mol/1.0L.

valentinak56 [21]

Answer:a) 0.1 mole. b) 4g. c) 2% d) 196 mL

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2 years ago

A typical aspirin tablet contains 5.00 grains of pure aspirin analgesic compound. The rest of the tablet is

Pavel [41]

Answer:

$Tablets=193$

Explanation:

Hello,

In this case, given that a typical aspirin tablet contains 5.00 grains of pure aspirin, the first step here is to compute the mass of those grans per tablet given that 1.00 g = 15.4 grains:

$m=5.00grains*\frac{1.00g}{15.4grains}=0.325g$

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$Tablets=\frac{62.7g}{0.325g}\\ \\Tablets=193$

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3 years ago

Δs is positive for the reaction ________.

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Answer: Pluto

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