def test_compound_name_HCl_aqueous():
actual = compound_name('HCl(aq)')
expected = "hydrochloric acid"
assert actual == expected
def test_compound_name_H2O():
actual = compound_name('H2O')
expected = 'water'
assert actual == expected
def test_compound_name_HCl_gas():
actual = compound_name('HCl(g)')
expected = "hydrogen chloride"
assert actual == expected
def test_compound_name_SO2():
actual = compound_name('SO2')
expected = 'sulfur dioxide'
assert actual == expected
def test_compound_name_N2O5():
actual = compound_name('N2O5')
expected = 'dinitrogen pentoxide'
assert actual == expected
def test_compound_name_Al_NO3_3():
actual = compound_name('Al(NO3)3')
expected = 'aluminum nitrate'
assert actual == expected
def test_compound_name_FeCl2():
actual = compound_name('FeCl2')
expected = 'iron(II) chloride'
assert actual == expected
def test_compound_name_Zn_NO3_2():
actual = compound_name('Zn(NO3)2')
expected = 'zinc nitrate'
assert actual == expected
def test_compound_name_K2SO4():
actual = compound_name('K2SO4')
expected = 'potassium sulfate'
assert actual == expected
def test_compound_name_NaCl():
actual = compound_name('NaCl')
expected = 'sodium chloride'
assert actual == expected