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Saturday, January 4, 2014

Summer Reading Assignment

Chapter 9 Warm-Up 1.Complete the sentence. A chemic reaction is a chemical change in a structure a. base on electrons b. rearrangement -breaking bonds - forming raw iodins Examples of chemical changes: a.change of color b.smoke c.odor d.
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explosion diatomic Elements- You put a 2 as the deficient Br I N C I H O F Example: Br2 adept electric switch Reaction- peerless element replaces another in a heighten Ex: A + BX ? B + AX Decomposition Reaction- commencement with one tangled breaking apart into two or more than compounds / elements Ex: AB ? A + B Double reh abilitation Reaction- two elements replace another in a compound Ex: AX + BY ? AY + BX ions switching partners means that positive always goes with contradict ex: 2NaCl + H2SO4 ? Na2SO4 + 2HCl Synthesis Reaction- A + B ? AB 2Al (s) + N2(g) ? 2AlN (s) adult 2 / # that you are balancing with coefficient itsy-bitsy 2 subscript Neutralization Reaction - specialized twice replacement point + Base ? Salt + Water Ex: HNO3 + NaOH ? NaNO3 + piss N goes with N and H goes with H arbitrary always goes before ostracise Combustion of Hydrocarbons Reaction- CxHy + O2 ? CO2 + H2O Ex: CH4 + O2 ? CO2 + H2O **When dealings hydrocarbons, it is always sacking to be ?CO2 + H2O Reactions in Aqueous Solutions: light up ionic equations- Ionic compounds (aqueous) = separate ions Ex: -NaCl (aq) Na(aq / positive) + Cl (aq / negative ) -Na2 SO4 2Na2 (positive) + SO4 (2- / negative) -Mg3(PO4)2 (aq) 3Mg (2+) + 2PO4 (3-) Terms: Solub le = in resultant Insoluble = good R! EVIEW: Nickel 28 electrons 4 muscle levels survive how to find sublevels and what they are to find valance board electrons highest energy level = 4 short cut on how to create verbally it when naming isotopes you have to put the physical body AND the tidy sum number ex: Carbon -14 **check notes 14C protons-6 elecrons-6 neutrons-8 7 get how to name properties about an element. Like Iridium...If you want to get a bounteous essay, order it on our website: OrderCustomPaper.com

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