Yesterday’s Homework. Yesterday’s Homework. 1. Write a balanced formula equation for the reaction that occurs between each of the following pairs of reactants. Yesterday’s Homework. magnesium and nitric acid. Yesterday’s Homework. magnesium and nitric acid Mg + HNO 3 →. - PowerPoint PPT Presentation
TRANSCRIPT
Yesterday’s Homework
Yesterday’s Homework
1. Write a balanced formula equation for the reaction that occurs between each of the following pairs of reactants.
Yesterday’s Homework
magnesium and nitric acid
Yesterday’s Homework
magnesium and nitric acid
Mg + HNO3 →
Yesterday’s Homework
magnesium and nitric acid
Mg + HNO3 →
Mg(NO3)2 + H2
Yesterday’s Homework
magnesium and nitric acid
Mg + 2HNO3 →
Mg(NO3)2 + H2
Yesterday’s Homework
aluminum and sulfuric acid
Yesterday’s Homework
aluminum and sulfuric acid
Al + H2SO4 →
Yesterday’s Homework
aluminum and sulfuric acid
Al + H2SO4 →
Al2(SO4)3 + H2
Yesterday’s Homework
aluminum and sulfuric acid
2Al + 3H2SO4 →
Al2(SO4)3 + 3H2
Yesterday’s Homework
calcium carbonate and hydrobromic acid
Yesterday’s Homework
calcium carbonate and hydrobromic acid
CaCO3 + HBr →
Yesterday’s Homework
calcium carbonate and hydrobromic acid
CaCO3 + HBr →
CaBr2 + H2O + CO2
Yesterday’s Homework
calcium carbonate and hydrobromic acid
CaCO3 + 2HBr →
CaBr2 + H2O + CO2
Yesterday’s Homeworkpotassium hydrogen carbonate
and hydrochloric acid
Yesterday’s Homeworkpotassium hydrogen carbonate
and hydrochloric acid
KHCO3 + HCl →
Yesterday’s Homeworkpotassium hydrogen carbonate
and hydrochloric acid
KHCO3 + HCl →
KCl + H2O + CO2
Yesterday’s Homework
2. Identify the conjugate acid-base pairs in the following reactions.
Yesterday’s Homework
NH4 + OH- ↔
NH3 + H2O
Yesterday’s Homework
NH4 + OH- ↔
NH3 + H2O
Yesterday’s Homework
HBr + H2O ↔
H3O+ + Br-
Yesterday’s Homework
HBr + H2O ↔
H3O+ + Br-
Yesterday’s Homework
CO32- + H2O ↔
HCO3- + OH-
Yesterday’s Homework
CO32- + H2O ↔
HCO3- + OH-
Yesterday’s Homework
HSO4- + H2O ↔
H3O+ + SO42-
Yesterday’s Homework
HSO4- + H2O ↔
H3O+ + SO42-
Daily Quiz 599
Daily Quiz 5991. When zinc reacts with hydrochloric
acid, one of the products will be:
a. Znb. HClc. H2Znd. ZnCl2
Daily Quiz 5992. Identify the acid:
HBr + H2O → H3O+ + Br-
a. HBrb. H2Oc. H3O+
d. Br-
Daily Quiz 5993. Identify the acid:
NH3 + H2O → NH4+ + OH-
a. NH3
b. H2Oc. NH4
+ d. OH-
Daily Quiz 5994. Identify the conjugate base:
H2SO4 → 2H+ + SO42-
a. H2SO4
b. H2Oc. H+ d. SO4
2-
Daily Quiz 5991. When zinc reacts with hydrochloric
acid, one of the products will be:
a. Znb. HClc. H2Znd. ZnCl2
Daily Quiz 5991. When zinc reacts with hydrochloric
acid, one of the products will be:
a. Znb. HClc. H2Znd. ZnCl2
Daily Quiz 5992. Identify the acid:
HBr + H2O → H3O+ + Br-
a. HBrb. H2Oc. H3O+
d. Br-
Daily Quiz 5992. Identify the acid:
HBr + H2O → H3O+ + Br-
a. HBrb. H2Oc. H3O+
d. Br-
Daily Quiz 5993. Identify the acid:
NH3 + H2O → NH4+ + OH-
a. NH3
b. H2Oc. NH4
+ d. OH-
Daily Quiz 5993. Identify the acid:
NH3 + H2O → NH4+ + OH-
a. NH3
b. H2Oc. NH4
+ d. OH-
Daily Quiz 5994. Identify the conjugate base:
H2SO4 → 2H+ + SO42-
a. H2SO4
b. H2Oc. H+ d. SO4
2-
Daily Quiz 5994. Identify the conjugate base:
H2SO4 → 2H+ + SO42-
a. H2SO4
b. H2Oc. H+ d. SO4
2-
Why do molecules lose hydrogen ions?
Why do molecules lose hydrogen ions?
Because water is polar.
Hydrogen ions will dissociate (come off) only if they are attached