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3 years ago

When naming compounds, which type of compound uses prefixes to indicate the number of

1 answer:

6 0

Covalent bonds uses prefixes to indicate the number of atoms in the compound.
And example would be water which is dihydrogen monoxide, which means there are 2 hydrogen molecules and one oxygen molecule. The chemical formula would be H2O.

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HELP!!!!!!!!!!!!!!!!!!! 100 POINTSSSSSSSSSSSSSS

e-lub [12.9K]

Answer:

The three-dimensional region of space that indicates where there is a high probability of finding an electron.

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3 years ago

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What is the volume of 40.0 grams of argon gas at STP ?

MrRa [10]

Answer:

24.9 L Ar

General Formulas and Concepts:

Atomic Structure

Reading a Periodic Table
Moles
STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K

Aqueous Solutions

States of Matter

Stoichiometry

Using Dimensional Analysis

Explanation:

Step 1: Define

[Given] 40.0 g Ar

[Solve] L Ar

Step 2: Identify Conversions

[PT] Molar Mass of Ar - 39.95 g/mol

[STP] 22.4 L = 1 mol

Step 3: Convert

[DA] Set up: $\displaystyle 40.0 \ g \ Ar(\frac{1 \ mol \ Ar}{39.95 \ g \ Ar})(\frac{22.4 \ L \ Ar}{1 \ mol \ Ar})$
[DA] Divide/Multiply [Cancel out units]: $\displaystyle 24.9235 \ L \ Ar$

Step 4: Check

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

24.9235 L Ar ≈ 24.9 L Ar

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3 years ago

Zn(CrO4)2 What is the name of the compound

insens350 [35]

Answer:

Zinc chromate

Explanation:

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2 years ago

What are the 6 branches of chemistry and what do they study?

neonofarm [45]

Hi there!

The 6 branches of chemistry are Organic Chemistry, Inorganic Chemistry, Analytical Chemistry, Physical Chemistry, Biochemistry, and Nuclear Chemistry.

Organic Chemistry: The branch of chemistry dedicated to carbon compounds and substances.

Inorganic Chemistry: The branch of chemistry dedicated to non-carbon compounds and substances.

Analytical Chemistry: The branch of chemistry dedicated to identifying and quantifying matter through a variety of different instruments, tools, and practices.

Physical Chemistry: The branch of chemistry dedicated to analysis of chemical phenomena as well as their different behavior and phenomena.

Biochemistry: The branch of chemistry dedicated to the chemical processes such as cellular respiration that occur within living organisms.

Nuclear chemistry: The branch of chemistry dedicated to nuclear processes and properties as well radioactivity.

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3 years ago

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What causes a change in a rocks compostion

son4ous [18]

Weathering i believe

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3 years ago