3 years ago

What problems might happen if an unnecessary hurricane warning was issues

Chemistry

1 answer:

deff fn [24]3 years ago

4 0

People would rush to the store to buy supplies and there might not be enough for the "last minute noticed" people

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What is thermal equilibrium? equal temperature equal heat equal thermal energy equal conductivity

Margarita [4]

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I believe the answer would be A. equal temperature

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3 years ago

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Lady_Fox [76]

It is softer than topaz and and it is softer than diamond (diamond has a Mohs hardness of 10, which is the highest value of the scale)

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2 years ago

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What is the energy transformation in the following:

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They all have something to do with electricity

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3 years ago

During the apollo missions,an astronaut took a golf ball to the moon. He placed it on the moon’s surface and hit the ball with a

aleksandr82 [10.1K]

Answer:

b.)

Explanation:

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3 years ago

The following reaction shows calcium chloride reacting with silver nitrate.

adell [148]

Grams of Ca(NO₃)₂ produced : 0.985 g

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

CaCl₂ + 2AgNO₃ → 2AgCl + Ca(NO₃)₂

MW AgNO₃ : 107.9+14+3.16=169.9

mol AgNO₃ :

$\tt \dfrac{2}{169.9}=0.012$

mol ratio Ca(NO₃)₂ : AgNO₃ = 1 : 2, so mol Ca(NO₃)₂ :

$\tt \dfrac{1}{2}\times 0.012=0.006$

MW Ca(NO₃)₂ : 40.1+2.14+6.16=164.1 g/mol

mass Ca(NO₃)₂ :

$\tt 0.006\times 164.1=0.985$

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2 years ago