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3 years ago

Multicellularity only occurs among the what domain?

Chemistry

1 answer:

shutvik [7]3 years ago

6 0

I think its eukarya

hope this helps :D

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Construct <br> an isotope has 17 protons 20 neutrons and 18 electrons

ASHA 777 [7]

Add proton + neutrons = Mass 37

Proton is same as your atomic mass= 17

If you go on the periodic table look up 17 and it will give u the letter.

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3 years ago

Why are coal, oil, and natural gas called fossil fuels?

sergeinik [125]

Because that's where they come from. Coal, oil, and natural gas are the products
of dead dinosaurs rotting in the ground under great pressure for millions of years.

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3 years ago

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Which statement correctly describes two forms of oxygen, O2 and O3?

fgiga [73]

The two forms of oxygen, O2 and O3 is "<span>They have different molecular structures and different properties."</span>

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3 years ago

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Explain the centrifuging

Lynna [10]

Answer:the force from spinning that moves things away from the center

Explanation: ap chem

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3 years ago

12. What is the volume of 0.07 mol of neon gas at STP?

scoundrel [369]

<h3>Answer:</h3>

2 L Ne

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

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

Using Dimensional Analysis
STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

<h3>Explanation:</h3>

<u>Step 1: Define</u>

0.07 mol Ne (g)

<u>Step 2: Identify Conversions</u>

STP - 22.4 L per mole

<u>Step 3: Convert</u>

Set up: $\displaystyle 0.07 \ mol \ Ne(\frac{22.4 \ L \ Ne}{1 \ mol \ Ne})$
Multiply: $\displaystyle 1.568 \ L \ Ne$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 1 sig fig.</em>

1.568 L Ne ≈ 2 L Ne

7 0

3 years ago