Questions random
What is the unit of the chemical reaction?
The mole
How many atoms of Hydrogen are on the left-hand side of the following chemical reaction?
3H2 + N2 i 2NH2
6 atoms of hydrogen
What are the units of the molar mass
g/mole
How many oxygen atoms are on the right-hand side of the following chemical equation? 4 FeCO3(s) + O2( g) ¡ 2 Fe2O3(s) + 4 CO2( g)
14 atoms of oxygen
is a particular type of chemical reaction in which a substance combines with oxygen to form one or more oxygen-containing compounds.
Combustion reaction
Co2O3(s) + C(s) ¡ Co(s) + CO2(g)
2 Co2O3(s)+3 C(s)¡ 4 Co(s)+3 CO2(g)
Which quantity or quantities must always be the same on both sides of a chemical equation?
The number of atoms of each kind.
SrCl2(aq) + Li3PO4(aq) ¡ Sr3(PO4)2(s) + LiCl(aq)
3 SrCl2(aq) + 2 Li3PO4(aq) ¡ Sr3(PO4)2(s) + 6 LiCl(aq)
What is the importance of balancing chemical rxn?
It ensures that chemical reactions adhere to the law of conservation of mass.
C4H10(g) + O2(g) ¡ CO2(g) + H2O(g)
2 C4H10(g)+13 O2(g)¡ 8 CO2(g)+10 H2O(g)