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How many grams of H2O (g) are theoretically produced from 1026.9 g of sucrose, C12H22O11 (g), and an excess amount of oxygen?
C12H22O11 (g) + O2 (g) → CO2 (g) + H2O (g) (unbalanced)
Suggest a simple chemical test that would distinguish between the following compounds. State what you would see: a) n-pentane and 1-pentene
why are there variations in the weight of acid consumed for the same brand of antacid?
A 3.00 g sample of a salt dissolves in 9.10 g of water to give a saturated solution at 25°C. What is the solubility (in g salt/100 g of H2O) of the salt?
how many joules of heat are required to heat 143 g of aluminum from 55.0 oc to
For each of the following reactions, identify which reactant is the Lewis acid. Select 1 if the first listed reactant is the Lewis acid or 2 if the second listed reactant is the Lewis acid
What is the sum of all the coefficients in the balanced equation?
What is the mass in grams of 2.50 x 10^12 lead (Pb) atoms. Enter your answer in scientific notation.
Study of a first-order reaction, In the study of a first-order reaction, A--->B, it is found that A/Ao=0.125 after one hour. The system initially consisted of 0.20 mole of a gaseous A at 25 degrees C and 1 atm
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.052 moles of sulfuric acid is mixed with water to make 179 mililiter of solution, what is the molarity of H+?
tripling the concentration of A increases the rate by a factor of 27, doubling the concentration of B has no effect on the rate, and tripling the concentration of C increases the rate by a factor of 3. Write down the rate law for this reaction.
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA-, A2-) at pH 6.26
The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state
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