12 Questions
Which pair of reactants mixing will result in a precipitation reaction?
Na2SO4(aq) + Ba(NO3)2(aq)
How many grams of water react to form 6.21 moles of Ca(OH)2?
112 g of H2O
How many Li atoms are contained in 3.00 g of lithium (Li, atomic mass 6.94 g/mol)?
4.18 x 10^24 Li atoms
What is the empirical formula for C6H12O6?
CH2O
Write a possible molecular formula for CH2O.
C2H4O
How many moles are there in 1.50 g of ethanol, C2H5OH?
0.0326 mol
What is the capacity of a water barrel in quarts?
112 quarts
Which statement about saturated hydrocarbons is correct?
They contain only single bonds
What is the attractive force in nonpolar hydrocarbon molecules known as?
Van der Waals forces
Which type of hydrocarbon contains triple bonds?
Alkyne
What does the empirical formula represent?
The most reduced version of the chemical formula
In the chemical reaction Bel2(aq) + CuSO4(aq) → BeSO4(aq) + Cu(s), what is the net ionic equation?
Be2+(aq) + 2CuSO4(aq) → 2BeSO4(aq) + Cu(s)
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