Became white powdered
Glauber’s salt
Na 2SO 4 ● 10 H 2O (s) Na 2SO 4(s) + 10 H 2O(g)
it moist and from solid to liquid
exposing anhydrous calcium chloride to the atmosphere.
CaCl 2(s) + H 2O (l) CaCl 2● x H 2O (aq)
No Reaction
Blue Vitriol expose into atmosphere
White crystal
CuSO 4 ● 5 H 2O (s) + heat CuSO 4 (s) + 5 H 2O (g)
Heated Blue vitriol
turns back to light/sky blue crystals
CuSO 4 (s) + 5 H 2O (l) CuSO 4 ● 5 H 2O (s)
white crystal light/sky blue crystal
(added a water to the heated blue vitriol)
solute
is the one that dissolves
solvent
is the one that does the dissolving
No Reaction
BaCl 2 (s) (white) and K2CrO4 (s) (egg yellow)
dissolves in water
BaCl 2 and K2CrO4 + water
egg yellow precipitate
BaCl2(aq) + K2CrO4(aq) BaCrO4(s) + 2 KCl(aq)
Precipitate
a reaction between two solutions forming a solid substance
blue green solution and brown gas
concentrated nitric acid
(pure substance):
4 HNO3(l) +Cu(s) Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
blue solution and yellow gas
diluted nitric acid solution
8 HNO3(aq) +3 Cu(s) Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Hydrolysis
a chemical process of decomposition involving the splitting of a bond and the addition of the hydrogen cation and the hydroxide anion of water
yellow, clear liquid
Water + ferric chloride
brown acidic solution
Water + ferric chloride + heat
Flour floats above the water
water + flour
flour mixed in the water
water + flour + soap
foam or suds
Tap water (hard water) + soap solution
white precipitate
Tap water (hard water) + lime water , Ca(OH) 2
precipitate was removed
Tap water (hard water) + lime water , Ca(OH) 2 + Na2CO3