Multiple Choice
Balance the following equation: Ca3(PO4) 2(s) + SiO2(s) + C(s) → CaSiO3(s) + CO(g) + P4(s)
A) Ca 3(PO 4) 2( s) + 3SiO 2( s) + 8C( s) → 3CaSiO 3( s) + 8CO( g) + P4( s)
B) Ca 3(PO 4) 2( s) + 3SiO 2( s) + 14C(s) → 3CaSiO 3( s) + 14CO( g) + P 4( s)
C) Ca 3(PO 4) 2( s) + 3SiO 2( s) + 8C( s) → 3CaSiO 3( s) + 8CO( g) + 2P 4( s)
D) 2Ca 3(PO 4) 2( s) + 6SiO 2( s) + 10C( s) → 6CaSiO 3( s) + 10CO( g) + P 4( s)
E) 2Ca 3(PO 4) 2( s) + 6SiO 2( s) + 10C( s) → 6CaSiO 3( s) + 10CO( g) + 4P 4( s)
Correct Answer:
Verified
Correct Answer:
Verified
Q13: How many atoms are in a drop
Q14: Calculate the mass in grams of 8.35
Q15: Terephthalic acid, used in the production of
Q16: The number of hydrogen atoms in 0.050
Q17: The iodine "clock reaction" involves the following
Q19: Tetraphosphorus hexaoxide ( ℳ = 219.9 g/mol)
Q20: Magnesium reacts with iron(III) chloride to form
Q21: In a blast furnace, elemental iron is
Q22: In combustion analysis, the carbon and hydrogen
Q23: The formula CH<sub>3</sub>O<sub>0.5</sub> is an example of