Is this thing balanced?
H2+O2 → H2O
The equation is not balanced
How many moles of Ca3 are in 57.82 grams?
0.4809 mol
What element has the following electron configuration:
1s2 2s2 2p5
Fluorine
NaCl
Ionic bond
A -> B + C
Decompostion
S8+8O2 → 8SO2
Yes, the reaction is Balenced
How many grams of Zn(OH)2 are in 3.67 moles?
365g
What is the electron configuration for Boron?
1s2 2s2 2p1
Cu2
Metallic bonding
A + BX -> AX +B
Substitution
KClO3 → 2KCl + 3O2
No, the reaction is not balanced
How many moles of Mg(NO3)2 are in 487.6 grams?
3.287 moles
What element has the following electron configuration:
1s2 2s2 2p6 3s2 3p5
Chlorine
NH4
Covalent
Zn + CuSO4 -> ZnSO4 + Cu
Substition and REDOX
Al + HCl → H2 + AlCl3
No, the reaction is not balanced
calculate the number of moles in a 2.03g sample of citric acid (C6H8O7)
0.0106 mol
What is the electron configuration for Argon?
1s2 2s2 2p6 3s2 3p6
Name the bond:
Y has 4 valence electrons and there are two X atoms, both having 2 valence electrons. X hands over the 4 total atoms to Y. the end product is X2Y
Ionic
CdSO4(aq) + K2S(aq)-> CdS(s)+ K2SO4(aq)
2C3H8+7O2→6CO2+8H2O
No, this reaction is not balanced
2.00 g of solid sodium hydroxide is added to a solution of hydrochloric acid.
How many moles of hydrochloric acid will react with the solid sodium hydroxide?
NaOH(aq)+HCl(aq)→NaCl(aq)+H2O(l)
0.0500 mol
What element has the following electron configuration:
[Ar] 4s2 3d10 4p3
Arsenic
Name that bond:
A has 5 valence electrons and B has 6 valence electrons. A and B form a double bond with 2 pairs of lone electrons for both of them. the end product is AB
Covalent
CH4 + O2 -> CO2 +H2O
Combustion :)