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4 years ago

What is the total number of atoms in 1.0 mole of

Chemistry

1 answer:

emmainna [20.7K]4 years ago

6 0

D. 18 x 10^23 is the total number of atoms in 1.0 mole of CO2

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What type of substance would salt water be classified as?

Vedmedyk [2.9K]

I believe the correct answers from the choices listed above is option B and D. The type of substances that would classify salt water would be homogeneous mixture and a solution. Salt water has uniform properties all through out. Hope this answers the question.

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3 years ago

Read 2 more answers

The domain Archaea are unicellular prokaryotes and can be autotrophs or heterotrophs

nexus9112 [7]

Answer:

I think its true I dont really know

Explanation:

true

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3 years ago

SOMEONE PLEASE HELP ME WILL MARK BRAINLIEST PLEASE!!

QveST [7]

O₂ required = 1/2 x 7.8 = 3.9 moles

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2 years ago

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

Add 2 protons to carbon what element do you create

victus00 [196]

It will become oxygen because carbons atomic number is 6 which means it has 6 protons so when you add 2 more protons you will have 8 all together and oxygens atomic number is 8 which is 8 protons

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3 years ago