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Single Replacement Reaction: A reaction in which the atoms of one element replaces the atoms of another element in a compound. A + BX. B + AX.
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Types of chemical reactions:
Example: 2 Na(s) + Cl 2 (g) 2 NaCl(s) CaO(s) + H 2 O(l) Ca(OH) 2 (s)
If you have an ODD number of oxygen that need to be balanced (X), put the coefficient X/ 2 in front of O 2 , then multiply the entire equation by 2 to get integers for coefficients.
Use activity series to predict whether or not certain reactions will happen. Predict whether or not this reaction will occur: Ag(s) + Cu(NO 3 ) 2 (aq) F 2 (g) + 2 NaBr(aq)
*Cations switch places *Always produce a precipitate, a gas, or water Ex: Ca(OH) 2 (aq) + 2 HCl(aq) CaCl 2 (aq) + 2 H 2 O(l) AgNO 3 (aq) + NaCl(aq)