6.1 Word Equations

6.1 Word Equations
6.1 Word Equations
Feb 28­6:06 PM
Word Equation­ a way to represent a chemical reaction, describe chemical reactions using words.
Writing Word Equations­
All reactants All products
reactant 1 + reactant 2 = product 1 + product 2
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6.1 Word Equations
Magnesium metal burns in oxygen gas with a bright white light to make a white powder called magnesium oxide.
magnesium (s) + oxygen (g) = magnesium oxide (s) + heat
A solution of sodium iodide is added to a solution of potassium nitrate to make a potassium iodide precipitate and a sodium nitrate solution.
sodium iodide (aq) + potassium nitrate (aq) = potassium iodide (s) + sodium nitrate (aq)
Feb 28­7:19 PM
Gaseous hydrogen and gaseous oxygen react explosively to form water vapor. hydrogen (g) + oxygen (g) water (g) + heat
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6.1 Word Equations
Word Equations Worksheet
Write the word equations for each of the following chemical reactions:
When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and 1)
silver chloride powder are made.
2)
When isopropanol (C3H8O) burns in oxygen, carbon dioxide, water, and heat are produced.
3)
When dissolved sodium hydroxide reacts with sulfuric acid (H2SO­4), aqueous sodium sulfate, water, and heat are formed.
4)
When fluorine gas is put into contact with calcium metal at high temperatures, calcium fluoride powder is created in an exothermic reaction.
5)
When sodium metal reacts with iron (II) chloride, iron metal and sodium chloride are formed.
Feb 28­7:07 PM
Word Equations Worksheet ­ Solutions
Write the word equations for each of the following chemical reactions:
When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and 1)
silver chloride powder are made.
BeCl2(aq) + 2 AgNO3(aq) à Be(NO3)2(aq) + 2 AgCl(s)
2)
When isopropanol (C3H8O) burns in oxygen, carbon dioxide, water, and heat are produced.
2 C3H8O(l) + 9 O2(g) à 6 CO2(g) + 8 H2O(g)­ ∆H = negative
When dissolved sodium hydroxide reacts with sulfuric acid, aqueous sodium sulfate, water, and heat are 3)
formed.
2 NaOH(aq) + H2SO­4(l) à Na2SO4 + 2 H2O(l)
∆H = negative
When fluorine gas is put into contact with calcium metal at high temperatures, calcium fluoride powder is 4)
created in an exothermic reaction.
∆
F2(g) + Ca(s) à CaF2(s) ∆H = negative
5)
When sodium metal reacts with iron (II) chloride, iron metal and sodium chloride are formed.
2 Na(s) + FeCl2(s) à 2 NaCl(s) + Fe(s)
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