Period: 3 Balance the following equations AND list the type of chemical reaction of the chemical equation. Make sure to show
your work. For each element, there needs to be the same number on both sides of the arrow. Use your REP's to balance
each equation.
Chemical Equation
Reaction Type
1.
MgCO3
MgO +
CO2
2.
_Ba(CN)2+
H2SO4 →
BaSO4 +
HCN
3.
NaCl +
H2SO4 →
Na2SO4 +
HCI
4.
2 Al +
3 cu
single replacement
3 CuSO4 → | Al2(SO4)3 +
rep
2-2x112
3= 3xT Cu Tx3=3
3=3x 1/5043
5.
C2H6+
02 →
CO2 +
H2O

How many orbitals does the p sub shell container

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h