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3 years ago

9. What is the difference between physical weathering and chemical weathering?

Chemistry

1 answer:

yKpoI14uk [10]3 years ago

5 0

Rocks breaking apart wihout changing their chemical composition & and basically the other is an erosion

Explaination :

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4 years ago

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3 years ago

What is the amount in moles 3.40 g Zn

Sidana [21]

<h3>Answer:</h3>

0.0520 mol Zn

<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

Stoichiometry

Using Dimensional Analysis

<h3>Explanation:</h3>

Step 1: Define

3.40 g Zn

Step 2: Identify Conversions

Molar Mass of Zn - 65.39 g/mol

Step 3: Convert

Set up: $\displaystyle 3.40 \ g \ Zn(\frac{1 \ mol \ Zn}{65.39 \ g \ Zn})$
Divide: $\displaystyle 0.051996 \ mol \ Zn$

Step 4: Check

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

0.051996 mol Zn ≈ 0.0520 mol Zn

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3 years ago

9. What is the difference between physical weathering and chemical weathering?​

9. What is the difference between physical weathering and chemical weathering?