Download presentation

Presentation is loading. Please wait.

Published byXimena Wigg Modified over 3 years ago

1
Semester Exam Review Key vocabulary Limiting reagentpercent yield Theoretical yieldexcess reagent Actual yieldcalorimeter Caloriejoule Enthalpyspecific heat Heat capacityheat of reaction Heat of formationheat of fusion Heat of solution Hess’s law of summation

2
Key questions: Thermochem 1.How does heat energy flow? 2.What does endothermic mean? 3.What does exothermic mean? 4.Is heat ever lost? 5.What equation do you need to calculate the heat change (q) in a reaction. What do the letters stand for? 6.What is specific heat? 7.What type of reaction has a positive ∆H? 8.What type of reaction has a negative ∆H? 9.Which substance has the highest specific heat? 10.What is the heat of solution?

3
Key Questions: Stoichiometry 1.What is stoichiometry? 2.How do you read this equation: 2 S(s) + 3 O 2 (g) 2 SO 3 (g) 3. How many moles of Al are needed to react with 1.2 mol of FeO? 2 Al (s) + 3 FeO (s) 3 Fe (s) + Al 2 O 3 (s) 4. How many moles of Al 2 O 3 are produced when 0.60 mol of Fe are produced? (use equation above) 5. What do you call the reactant that is used up first?

4
Key Questions: Gases 1.How do gases move? 2.How does gas come out of an aerosol can? 3.What happens to a gas when the volume of its container gets reduced? 4.What happens to the temperature of a gas when it is compressed? 5.Why does air escape from a tire when the valve is opened?

Similar presentations

OK

Stoichiometry u Greek for “measuring elements” u The calculations of quantities in chemical reactions based on a balanced equation. u We can interpret.

Stoichiometry u Greek for “measuring elements” u The calculations of quantities in chemical reactions based on a balanced equation. u We can interpret.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on us health insurance Ppt on ac series motor Ppt on polynomials in maths what does mode Ppt on network theory immigration Free ppt on employee motivation Ppt on cross-sectional study vs longitudinal study Ppt on hanging gardens of babylon Ppt on complex number for class 11 Ppt on hydrogen fuel cell vehicles bmw Ppt on surface area and volume for class 9th