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For the chemical reaction



2KI+Pb(NO3)2⟶PbI2+2KNO3




how many moles of lead(II) iodide will be produced from 101 g of potassium iodide?


Phosphorus reacts with oxygen to form diphosphorus pentoxide, P2O5 .



4P(s)+5O2(g)⟶2P2O5(s)



How many grams of P2O5 are formed when 2.17 g of phosphorus reacts with excess oxygen? Show the unit analysis used for the calculation by placing the correct components into the unit-factor slots.

The reaction between iron(II) oxide and carbon monoxide produces iron and carbon dioxide. How many moles of iron can be obtained when 6.25 mol FeO reacts with an excess of CO?


FeO+CO⟶Fe+CO2



Using a while loop: Write a program to print integers 1-50 and their cubes.

is the economy experiencing a recessionary out gap of inflationary output gap?


The Significant different between method of teaching and teacher qualification?

If 2.98 mol of  C5H12 reacts with excess O2, how many moles of 

CO2 will be produced by the following combustion reaction?

C5H12+8O2⟶6H2O+5CO2



Leaving a glass of milk on the table causes it to spoil easily






Find the equations of the tangents to the graph of y=x+1/x that are parallel to y+2x=0




The combustion of ethane (C2H6) produces carbon dioxide and steam.

2C2H6(g)+7O2(g)⟶4CO2(g)+6H2O(g)

How many moles of CO2 are produced when 5.55 mol of ethane is burned in an excess of oxygen?


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