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Presentation transcript:

Science Starter Pick up a sheet from the front table. Correct this student’s mistakes! Watch for: Units Conversions Molar Ratios

Objective SWBAT convert between moles, grams, liters, particles of one substance to another substance using molar conversions and stoichiometric coefficients (mole bridge). 2/3 Step Stoichiometry!

Agenda Mole Box due Friday 4/15 What else is Friday? Science Starter Notes Recap MultiStep Problem JigSaw Homework Time Mole Box due Friday 4/15 What else is Friday?

1. In the equation 2KClO3  2KCl + 3O2, how many liters of oxygen are produced when 3.0 moles of KClO3 decompose completely? Given: Find:

2. Iron metal and oxygen combine to form the magnetic oxide of iron, Fe3O4. How many grams of iron can be converted to magnetite by 8.80 grams of pure oxygen? Eq: 3Fe + 2O2  Fe3O4 Given: Find:

3. For the reaction C + 2H2  CH4 how many molecules of hydrogen are required to produce 10 grams of methane? Given: Find:

4. Ammonia, NH3, for fertilizer is made by causing hydrogen and nitrogen to react at high temperature and pressure. How many moles of ammonia can be made from 0.15 grams of nitrogen gas? Equation: N2 + 3 H2  2 NH3 Given: Find:

Problem JigSaw Each person will be given a problem You will have 7 minutes to become MASTER You will find a partner in the room and teach them! 3 minutes to teach partner your problem, then swap Must complete 6 different problems today on your sheet!

For every problem you show me completed, you can receive a ticket! Homework Time Use this time to work on homework problems (back of green sheet, part B) For every problem you show me completed, you can receive a ticket!