Topic 5 Learning Outcomes
34
Topic 5 Acids in Action
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Transcript of Topic 5 Learning Outcomes
- 1. Topic 5 Acids in Action
2. Topic 5.1Acids in Action
- What does thepH scalemeasure?
- What pH numbers refer toacids ?
- What pH numbers refer toalkalis ?
- What is the pH number for a neutral solution?
3. Topic 5.1Acids in Action
- What colour does the pH paper turn with astrongacid?
- What colour does the pH paper turn with aweakacid?
- What colour does the pH paper turn with astrongalkali?
- What colour does the pH paper turn with aneutralsolution?
4. Topic 5.1Acids in Action
- What happens to the pH number when anacid is diluted?
- What happens to the pH when analkali is diluted ?
- What pH is thelimitfordilution of either an acid oralkali?
5. Topic 5.1Acids in Action
- What are .
- three commonacidsfound inthe household?
- three commonalkalisfound inthe household?
- three commonneutral solutionsfound inthe household?
6. Topic 5.1 Ext Acids in Action
- What is the formula for...
- hydrochloric acid?
- nitric acid?
- sulphuric acid
- phosphoric acid?
- carbonic acid?
- LEARN THESE FORMULAE.
7. Topic 5.1 Ext Acids in Action
- Can acidsconductelectricity ?
- What kind ofbondingdo acids have?
- Whationis common to all acids?
- Is thisionpositive or negative?
- Whationsare present inhydrochloric acid, sulphuric acid and nitric acid?
8. Topic 5.1 Ext Acids in Action
- Acids have a higherconcentrationof whichion ?
- Alkalis have a higherconcentrationof whichion ?
- Dilutinganacid reducesthe number of which ions?
9. Topic 5.2Acids in Action
- How is anacid made?
- How is analkalimade?
- What condition/property isneededto make an alkali?
- What type ofoxides do not formalkalis?
- WhatpHdo these oxides give?
- Whationis common to allalkalis ?
10. Topic 5.2Acids in Action
- What is the formula for...
- sodium hydroxide?
- calcium hydroxide?
- potassium hydroxide
- LEARN THESE FORMULAE.
11. Topic 5.2Acids in Action
- Whatsubstance , presentinfuelscontributes toacid rain?
- What is thegas producedcalledthat causes acid rain?
- What does acid rain do totheenvironment ?
12. Topic 5.2 Ext Acids in Action
- What is thenameof the process that can split up an acid back into its elements?
- Whatelementforms at the negative electrode?
- Whathappensat thenegative electrode toproduce this elementfrom its ion?
- What is thisreaction called?
+ + + + - - - - + - - + - + + + + - - - 13. Topic 5.2 Ext Acids in Action
- What is ad.c currentandwhyis it used in electrolysis?
- Whenhydrochloricacidis electrolysed,what forms at thepositiveelectrode?
- Whathappensat thepositive electrode to produce this element?
- What is thisreactioncalled?
14. Topic 5.2 Ext Acids in Action
- Whensulphuric acidis electrolysed, what forms at thepositiveelectrode?
- Whatforms at the negative electrode ?
- What is this overallreactioncalled?
15. Topic 5.3Acids in Action
- Whichmetalscan react with an acid?
- Wherein thereactivity series(Data book pg 7) would you find these metals?
- When a metal reacts with an acid what are theproducts?
- Write out this generalequation and LEARN.
16. Topic 5.3Acids in Action
- How could it be proved thathydrogengas is given off?
- How could therateof these reactions be increased?
- Whydoessulphuric acidreact faster than hydrochloric and nitric acid? (CLUE THINK OF THE FORMULA)
17. Topic 5.3Acids in Action
- Whattype of metal saltis formed when hydrochloric acidis used? sulphuric acidis used? nitric acidis used?
18. Topic 5.3 ExtAcids in Action
- Copy and complete the following and write balanced formulae equations
- Magnesium + Hydrochloric
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- acid
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- Iron + Nitric acid
- 3. Zinc+ Sulphuric acid
19. Topic 5.3 ExtAcids in Action
- Answers
- Magnesium + HydrochloricMagnesium+ Hydrogen
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- acid chloride
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- Mg + 2HCl MgCl 2 +H 2
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- Iron + Nitric acidIron nitrate + hydrogen
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- Fe + 2HNO 3 Fe(NO 3 )2 +H 2
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- 3. Zinc+ Sulphuric acid Zinc sulphate + Hydrogen
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- Zn + H 2 SO 4 ZnSO 4 +H 2
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20. Topic 5.4Acids in Action
- What is thenameof thereactionwhen an acid iscancelledby a another substance?
- What is abase ?
- Name three types ofbase? (THINK OF THEREACTIONS YOUHAVE SEENFROM 5.4)
21. Topic 5.4Acids in Action
- What are theproductsformed when ametal oxidereacts with anacid ?
- What are theproductsformed when ametal carbonatereacts with anacid ?
- Write out these general word equations and LEARN THEM.
22. Topic 5.4 Ext Acids in Action
- Whatgasis produced when a metalcarbonatereacts with an acid?
- Why is anexcessof metal carbonate added to the acid?
Residue Filtrate 23. Topic 5.4 Ext Acids in Action
- How do you know when the acid has beencompletely neutralised?
- What will thefiltratecontain?
- Whatcompoundis found in the residue ?
Residue Filtrate 24. Topic 5.4 ExtAcids in Action
- What are theproductsformed when copper carbonate reacts with sulphuric acid?
- Write the word and balanced formula equation for this reaction
- Copper+Sulphuric
- carbonateacid
25. Topic 5.4 ExtAcids in Action
- ANSWER
- Copper+SulphuricCopper+Water+Carbon
- carbonateacid sulphatedioxide
- CuCO 3+ H 2 SO 4 CuSO 4+H 2 0+CO 2
26. Topic 5.4 ExtAcids in Action
- What are theproductsformed when copper oxide reacts with hydrochloric acid?
- Write the word and balanced formula equation for this reaction
- Copper+Hydrochloric
- oxideacid
27. Topic 5.4 ExtAcids in Action
- ANSWERS
- Copper+HydrochloricCopper+Water
- oxideacid chloride
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- CuO + 2HCl CuCl 2+H 2 0
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28. Topic 5.5Acids in Action
- What is thenameof thereactionwhen an acid iscancelledby a anothersubstance?
- What is abase ?
- Name three types of base? (THINK OF THE REACTIONS YOU HAVE SEEN FROM 5.4)
29. Topic 5.5Acids in Action
- Why is a pipette used instead of a measuring cylinder?
- Whatadvantagedoes a burette have over a pipette?
30. Topic 5.5Acids in Action
- What is the name of thetechniquein which a burette and pipette are used to neutralise an acid?
- Why is anindicatorused?
- What is thecurvein theacid or alkali called?
- Where should this curve bewhen filling a pipette accurately?
- What is meant byconcordant results ?
31. Topic 5.6Acids in Action
- What is the name of the reaction in which two solutions react to form aninsoluble salt ?
- How can the insoluble product beseparatedfrom the mixture?
- Where is information on insoluble salts found?
- What is meant byspectator ions ?
32. Topic 5.7Acids in Action
- What is theformula massand how is it obtained?
- What is thegram formula massequal to?
- What is concentration?
- What are the units used?
- TRY CHECKTEST 5.7 OR THE CHEMICAL CALCULATION BOOKLET FOR PRACTICE.
33. Topic 5.8Acids in Action
- What is the equation thatrelatesmoles and mass ?
- What is the equation thatrelatesvolume, concentrationand moles ?
- TRY CHECKTEST 5.8 OR THE CHEMICAL CALCULATION BOOKLET FOR PRACTICE
34. Topic 5.9Acids in Action
- What is theequationused intitrations ?
- TRY CHECKTEST 5.9 OR THE CHEMICAL CALCULATION BOOKLET FOR PRACTICE
