Reactions & Reaction Types And Mole Calculations - Chemistry Assignment Help

Assignment Task

Part 1 – Reactions & Reaction Types 

For each reaction given, give the reaction type (RT), predict the products and write a complete, balanced equation including states: 
1. Calcium reacts with bromine RT: _________________________ 
2. Sodium chloride decomposes. RT: _________________________ 
3. Liquid methanol (CH3OH) reacts with oxygen RT: _________________________
4. Potassium chloride and fluorine gas react RT: _________________________ 
5. Calcium chloride solution reacts with hydrosulfuric acid RT: _________________________

Part 2 – Mole Calculations 

1. How many atoms are in 40. g of tin? 
2. How many atoms are in a 75.0 gram sample of nitrogen dioxide? 3. What would be the mass in g
rams of 6.25 x 1023 atoms of cobalt? 4. What mass of water has 6.70 x1023 molecules?Part 3 – Stoichiometry 

Calculations 

1. How many molecules of chlorine are needed to react with 5.6 g of iron to form iron (III) chloride? 
2. 90.0 g of FeCl3 reacts with 52.0 g of H2S. 

a) Write the balanced chemical equation for this reaction: 
a) What is the limiting reactant? 
b) What is the mass of HCl produced? 
c) What mass of excess reactant remains after the reaction?  

9. Given the heat of reaction for the combustion of propane: -2220kJ/mol 
a) Write the heat of reaction equation for the combustion of propane (C3H8).  
b) Calculate the heat of reaction for the combustion of propane when 33.0g of CO2 is produced.

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