International Baccalaureate Chemistry Flashcards 2016-2024 Syllabus
| Question | Write the electron arrangement for an atom of calcium |
| Answer | 2,8,8,2 |
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| Question | Suggest one problem associated with chlorinated organic solvents as chemical waste. |
| Answer | «most are» toxic «to living organisms»ORincomplete combustion/incineration can produce toxic products/dioxins/phosgeneORcarcinogenic«some can be» greenhouse gasesozone-depletingcan contribute to formation of «photochemical» smogaccumulate in groundwaterORhave limited biodegradabilitycost/hazards of disposal |
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| Text | The dissociation of citric acid is an endothermic process. State the effect on the hydrogen ion concentration, [H+], and on Ka, of increasing the temperature.Effect on [H+]: {{c1::increases}}Effect on Ka: {{c2::increases}} |
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