1. AgNO3 +
V Ni-
Ni(NO3)2 +
V Ag
2.
SiCl4 +
H20
-
H4SiO4 +
HCI
3.
Zn +
Pb(NO3)2
-
Zn(NO3)2 +
Pb
4.
Ag20
-
Ag +
02
5.
BaCl2 +
Al2(SO4)3
BaSO4 +
AICI3
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How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Fossil fuels are organic compounds that are made from