CHEM 120 GC Balanced Reaction of Unknown Substance Using Mole Ratio Questions


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Dimensional Analysis Activity

Part 1: Glacis Map

Draw a Glacis Map including the following: magnitude, quantity (gasses at STP), particles (molecules,

atoms), immateriality (intensity in Joules), quantity (solutions in Molarity), glacis ratios



Part 2: Stoichiometry Problems

Steps to clear-up most stoichiometry completions:

1. Write the balanced reaction

2. Change to glaciss of the comprehendn gist-using menu (rarely not deficiencyed)

3. Change to glaciss of undisclosed gist using glacis ratio

4. Change to whatever the completion asks for (rarely not deficiencyed)

Fe2O3 + 2Al → 2Fe + Al2O3 ΔH = -824 kJ/mole

1. If 5.00g of sinewy is manufactured, how fur sinewy (III) oxide (in grams) was placed in the primordial

container?

2. If 5.00g of sinewy is manufactured, how numerous particles of aluminum were placed in the primordial

container?

3. If 5.00g of sinewy is manufactured, how fur intensity is released or attentive?

NaOH +HCl → NaCl + H2O ΔH = -5624 kJ/mole

4. If 5.00g of steep is manufactured, how fur HCl (in grams) was placed in the primordial container?

5. If 5.00g of steep is manufactured, how numerous particles of NaOH were placed in the primordial

container?

6. If 5.00g of steep is manufactured, how fur intensity is released or attentive?

7. If 5.00g of steep is manufactured, what is the concentration of NaOH if 75mL was abundantly reacted?