Intro to Chemistry (Chemical reactions/ formulas)

Presentation

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Science, Chemistry

•

8th - 9th Grade

•

Medium

rodrigo tavara

Used 8+ times

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7 Slides • 5 Questions

Intro to Chemistry (Chemical reactions/ formulas)

By rodrigo tavara

Objectives

learn how to balance simple chemical equations

Lets start with a demonstration

Why does the candle stop burning after i placed the lid on top?

when the candle burns for a while, where does the wax go?

Analyze

Multimedia: Balanced Equation | Chapter 6, Lesson 1 | Middle School Chemistry

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a similar reaction to the candle burning is what happens when you burn methane. note the amount of molecules present.

on the left side are reactants, on the right are products.

the whole formula

It is important to properly count how many atoms of each element are on each side.

in your journals follow this example.

how to balance

Multiple Choice

How many atoms of Hydrogen are on the reactants side?

Multiple Choice

How many atoms of Carbon are on the reactants side?

Multiple Choice

How many atoms of Hydrogen are on the products side?

Multiple Choice

How many atoms of Hydrogen are on the reactants side?

Multiple Choice

How many atoms of Hydrogen are on the products side?

Intro to Chemistry (Chemical reactions/ formulas)

By rodrigo tavara

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