Physical Sciences Grade 12 Gauteng Mock 2015 Memo

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Downloaded from hlayiso.com 10842/15 VRAAG 10 10.1.1 Ysteroksied, yster, aluminiumoksiedY (1) 10.1.2 Verhoog die aantal botsings per eenheid tyd. ” Groter opperviakarea/groter aantal blootgestelde deeltiies.v (2) 10.1.3 Verhoog die aantal mol Nz and He (reaktanse)~ dit sal die voorwaartse reaksie bevoordeel “ OF Verhoog die druk ~ dit sal die voorwaartse reaksie bevoordeel “ (2) 10.2.1 Kalsiumhidroksied verhoog die pH/verminder die alkaliniteit/verminder die suurheid van die grond.~” Ammoniumsulfaat word bygevoeg as kunsmis. ~ (2) 10.2.2 Ammoniakgas word gevorm en sal vrygeséel word. Dit verminder die konsentrasie/aantal mol van die kunsmis. “ (1) 10.3 HNO) = = 729 < 30 mow Vx '24 n(HNOs) = n(NO} = 30 molv m( HNOs) = nM = (30)(63) = 1890 g v TOTAAL: 12 @) [11] 150