Everything Science Grade 11

CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS 7.3 Do you think a glass beaker is the best thing to use for this experiment? Ex ...

7.3 CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS C + H 2 O→ CO + H 2 ΔH = +131 kJ Some of the informationrelating to exothermi ...

CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS 7.4 When BaCl 2 and KNO 3 dissolve in water, they take in heat from the surround ...

7.5 CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS In the reaction above, glucose (a type of carbohydrate in the food we eat)rea ...

CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS 7.5 magnesium ribbon Method: Scrape the length ofmagnesium ribbon andcopper wire ...

7.6 CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS 7.6 Activation energyand the activated complex ESBBT From the demonstrations ...

CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS 7.6 DEFINITION: Activated complex The activated complexis a transitional structur ...

7.6 CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS Time Potential energy (a) What is the energy of the reactants? (b) What is th ...

CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS 7.6 In an endothermic reaction, ΔH is a positive number,and in an exothermic rea ...

7.6 CHAPTER 7. ENERGYCHANGES IN CHEMICAL REACTIONS The cellular respiration reaction is catalysedby enzymes. The equation for t ...

Types of Reactions 8 There are many different types of chemical reactions that can take place. In this chapter, we will be looki ...

8.1 CHAPTER 8. TYPES OFREACTIONS Tip H^2 O� H^3 O++ OH− For more information on dissociation, refer to Grade 10. Arrhenius descr ...

CHAPTER 8. TYPES OFREACTIONS 8.1 NH 3 + H+→ NH+ 4 In this reaction, waterdonates a proton and is therefore an acid in this react ...

8.1 CHAPTER 8. TYPES OFREACTIONS H 2 O + NH 3 NH+ 4 + OH− acid 1 base 2 acid 2 base 1 conjugate pair conjugate pair DEFINITION: ...

CHAPTER 8. TYPES OFREACTIONS 8.1 Hydrogen bromide reacts with potassium hydroxide to form potassium bromide (the salt) and wate ...

8.1 CHAPTER 8. TYPES OFREACTIONS Step 5: Record the volume ofstandard solution that has been added up to thispoint. Step 6: Use ...

CHAPTER 8. TYPES OFREACTIONS 8.1 The molarity of the NaOH solution is 0.12 mol.dm^3 or 0.12 M Example 2: Titration calculation I ...

8.1 CHAPTER 8. TYPES OFREACTIONS Acid-carbonate reactions ESBBZ Activity: The reaction of acids with carbonates Apparatus and ma ...

CHAPTER 8. TYPES OFREACTIONS 8.1 Nitric acid reacts withsodium carbonate to form sodium nitrate, carbon dioxide and water. 2HN ...

8.2 CHAPTER 8. TYPES OFREACTIONS (b) Calculate the mass of KOH which he must use to make 300 cm^3 of a 0.2 mol.dm−^3 KOH solutio ...