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3 years ago

6

Please select the word from the list that best fits the definition The point beneath the surface where rock breaks and an earthq

uake is produced is known as the ______.

2 answers:

Shkiper50 [21]3 years ago

6 0

<span>The point beneath the surface where rock breaks and an earthquake is produced is known as the focus</span>

topjm [15]3 years ago

3 0

The answer to this question is focus.

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How many atoms are in 1.00 mol of calcium

SVEN [57.7K]

Answer: 6.02214076 atoms Ca

Explanation:

Ca is monoatomic, so atoms in 1 mol = avogadro number

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3 years ago

Which of the following should workers do to prevent being pinned between equipment or other objects

ryzh [129]

Avoid placing themselves between moving vehicles and an immovable structure vehicle or stacked materials

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4 years ago

How can balancing equations support the law of conservation

amm1812

Answer:

detail is given below.

Explanation:

This law was given by French chemist Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

For example:

In given photosynthesis reaction:

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

The given equation is balanced chemical equation of photosynthesis. There are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.

If equation is not balanced,

CO₂ + H₂O → C₆H₁₂O₆ + O₂

It can not follow the law of conservation of mass because mass is not equal on both side of equation.

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3 years ago

How much is 1 mole of salt or NaCl

Alexandra [31]

Hi there!

A mole is a type of unit measurement for an amount of a substance like in your cast, salt.

One mole of salt will be the equivalent to 58 grams

Hope this helped!~

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3 years ago

mixture or pure substance: 1.blood 2.dyes 3.self-raising flour 4.muesli 5.copper wire 6.distilled water 7.table salt 8.milk 9.br

jenyasd209 [6]

Answer: Mixture: Blood , Self raising flour,muesli ,dyes, milk, tea, air, bronze

Pure substance: Copper wire, distilled water, table salt, oxygen.

Explanation:

Mixture is a substance which is made up two or more number of compounds which chemically inactive and retain their distinct chemical properties.

Blood , Self raising flour,muesli ,dyes, milk, tea, air, bronze

Pure substance is defined as anything with uniform and unchanging composition is known s pure substance.

Copper wire, distilled water, table salt, oxygen.

5 0

3 years ago