Balancing Equations
What is the balanced form of:
_CO2 + _O3 --> _O2 + _C4?
8CO2 + 2O3 --> 11O2 + 2C4.
What is the most reactive element?
Francium.
A solution contains .583 moles of NaCl in .65L of water. What is the molarity?
0.89
What is the lightest element?
Hydrogen.
What is the highest pH a substance can have?
14.
What is the balanced form of this equation:
_H2CO + _H2O --> _H6C2 + _O3?
2H2CO + H2O --> 2H3C + O3.
What element has the highest ionization energy?
Helium.
What is molarity measuring?
The concentration of a solute in a solvent.
What is the element that makes up organic molecules?
Carbon.
What is the lowest pH a substance can have?
0.
What is the balanced equation of:
_CO2 + _H2O --> _C6H12O6 + _O2?
6CO2 + 6H2O --> C6H12O6 + 6O2.
What element has the largest atomic radius?
Francium/ Fr.
What is the molarity made with .475 moles of ammonium nitrate with 500mL of water?
A molarity of 0.95.
What is the heaviest element that is found in nature?
U/Uranium.
What is the pH of water? And is it an acid or base?
7, and it's neutral.
What's the balanced equation:
_C3O5 + _H3O --> _O3 + CH4?
C3O5 + 4H3O --> 3O3 + 3CH4.
What element has the highest amount of electronegativity?
Fluorine/ F.
A solution with 10g of NaCl in 0.76L of water has a molarity of what?
Molarity=0.23
What was the first man-made element?
Neptunium/Np.
What is the pOH of a substance with a pH of 13?
pOH=1.
What is the Balanced equation:
_Al2(SO3)3 + _NaOH --> _Na2SO3 + _Al(OH)3.
6NaOH + Al2(SO3)3 --> 3Na2SO3 + 2Al(OH)3.
What element has the highest melting point?
Carbon has the highest melting point.
What is the molarity of a solution with 500g of glucose in 2,000mL of water?
1.38 is the molarity.
Who arranged the periodic table in the way that we now see it?
Dmitri Mendeleev.
What does pH measure specifically?
The amount of positive hydrogen ions.