Ions
What is the Cl ion?
Cl-
Another name for burning is?
Combustion
A reaction that gives off heat is?
An exothermic reaction
What colour is the sodium flame?
Yellow
What is a proton donor?
An acid
What is the Aluminium ion?
Al3+
Balance N2 + H2 ---> NH3
N2 + 3H2 ---> 2NH3
A reaction that absorbs heat is?
An endothermic reaction.
What colour is the potassium flame?
Lilac
Is ethanoic acid a strong or weak acid?
weak
What is the charge on the sulfate ion?
2-
Reduction is?
Gain of an electron, loss of oxygen or gain of hydrogen
Bond breaking is?
Endothermic
What is the test for oxygen?
Relighting a glowing splint
Name an amphoteric oxide
Aluminium or zinc oxide
What is the charge on the lead ion in PbCl2
2+
Oxidation is?
Loss of an electron, gain of oxygen, loss of hydrogen
Bond making is?
Exothermic
What is the test for ammonia?
Damp red litmus paper turns blue
What is the formula for phosphoric acid?
H3PO4
What is the charge on the MNO4 ion?
1-
What is the ionic half equation for AgNO3 + NaCl?
Ag+(aq) + Cl-(aq) ---> AgCl (s)
What is the pressure used in the Haber process?
200 atmospheres
Is silver chloride soluble or insoluble?
Insoluble
Minus the log of the hydrogen ion concentration is?
pH