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Some commercial drain cleaners contain two components: sodium hydroxide and aluminum powder. When the mixture is poured down a clogged drain, the following reaction occurs NaOH (aq)+Al (s) + H2O (l)-->NaAl(OH)4 (aq) + H2 (g). The heat generated in this reaction helps melt away grease and the dihydrogen gas released sirs up the solids clogging the drain. Calculate the volume of H2 formed at 20celsius and 750 torr if 3.12 g of Al is treated with excess NaOH.
For the oxidation-reduction reaction equation given here, 2Na + S --> Na2S, indicate how many electrons are transferred in the formation of one formula unit of product.
Chrysotile has the following percent composition: 28.03% Mg, 21.60% Si, 1.16% H, and 49.21% O. The molar mass for chrysotile is 520.8 g/mol
when comparing the CO2 emissions of various countries?
if you have 5l of a 10m solution and wish to make 100 mls of 0.01m how many mls of 10m solution would you use and how
42 kilograms of Copper (II) Phosphate reacts with 9.11x10 25 formula units of Potassium hydroxide in a double displacement reaction.
State the symbol of a sodium ion, Na+ followed by the formula of a sulfate ion, SO42-. State the expression 147N+α, where α is the lowercase Greek letter alpha.
A chemical process is designed to produce ethylene from ethane according to the reaction: C2H6 (ethane) ? C2H4 (ethylene) + H2 The fresh feed to the process contains pure ethane at a flowrate of 100 mole/min. The fresh feed is mixed with a recycl..
At high pressures, Ne behaves as an imperfect gas. In the range 300 K to 500 K the equation of state for one mole of Ne (g) can be written as : PV = RT + BP where B is a constant.
if it takes 1656 kj/mol to break all bonds in methane, what is the bond empathy of one C-H bond?
(a) How many Liters of C2H6 (g) are needed to react completely with 656.0 L of oxygen O2 (g), at STP to produce CO2 (g) and H2O (g)?
one type of electromagnetic radiation has a frequency of 107.1 MHz another type has a wavelength of 2.12*10^-10m,and another type ofelectromagnetic radiation has photons with energy equal to 3.97*10^-19J/photon. identify each type of electromagnet..
The goal of the recrystallization procedure is to obtain purified material with a maximum recovery. For each of the following situations, explain why this goal would be adversely affected.
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