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4 years ago

The Milky Way Galaxy is one of

Chemistry

2 answers:

9966 [12]4 years ago

7 0

Answer:

Billions in the known universe!

Explanation:

Because there are approximately 100 billion galaxies in the observable universe.

Hope it helps!

Agata [3.3K]4 years ago

7 0

Answer:

there are billions, and more that we haven't yet explored, it is just let the sea only a lot more floaty!

hope this helps

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During science class, while studying mixtures, you mix together table salt and sand. Your teacher challenges you to separate the

olga2289 [7]

The property to be used is sieving. you get a bowl and a sieve when you pour the sand and salt,the salt being the small particle sieve to the bowl while the sand remain on the sieve as residue

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4 years ago

How is the evidence from a fire scene collected? What should be avoided?

timama [110]

Fire scenes are different than regular crime scenes because the evidence that was at the.Evidence from a fire scene is collected by being placed in an air-airtight.Plastic bags should be avoided because they can produce dangerous gases

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4 years ago

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14. A cinder cone is the simplest type of volcano. a. True b. False

dusya [7]

Answer:

True

Explanation:

They are built from particles and blobs of congealed lava ejected from a single vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone, making them the simplest out there

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3 years ago

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How many moles are in 3.45g of KCI ?

artcher [175]

<h3>Answer:</h3>

0.0463 mol KCl

<h3>General Formulas and Concepts:</h3>

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Chemistry

Atomic Structure

Reading a Periodic Table
Using Dimensional Analysis

<h3>Explanation:</h3>

Step 1: Define

3.45 g KCl

Step 2: Identify Conversions

Molar Mass of K - 39.10 g/mol

Molar Mass of Cl - 35.45 g/mol

Molar Mass of KCl - 39.10 + 35.45 = 74.55 g/mol

Step 3: Convert

Set up: $\displaystyle 3.45 \ g \ KCl(\frac{1 \ mol \ KCl}{74.55 \ g \ KCl})$
Multiply/Divide: $\displaystyle 0.046278 \ mol \ KCl$

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

0.046278 mol KCl ≈ 0.0463 mol KCl

8 0

3 years ago

Plz help ASAP Plz and ty

Eva8 [605]

Answer:

It's circulatory system

Hope it's help ^_^

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3 years ago

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