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Explain the process of galvanization.
Explain electroplating.
What three things are needed for combustion reactions?
List some harmful by-product of combustion.
A Breathalyzer instrument contains two ampules, each of which contains 0.75 mg K2Cr2O7 dissolved in 3 mL of 9 mol L^-1 H2SO4(aq). One of the ampules is used as reference. When a person exhales into the tube of the Breathalyzer, the breath is direc..
In a certain city electricity costs .15$ per Kw/hr. Explain what is the annual cost to for electricity to power a lamp post for 7 hrs a day with
The energy difference of 3.8 kJ/mol between gauche and anti butane corresponds to an equilibrium constant, Keq, of approximately 1.9. Calculate the percentage of each conformer at equilibrium.
Is it theoretically possicle to separate 99.99% of 0.10M KI from 0.10M KBr by controlled-potential electrolysis
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively. If 7.50 mol benzene is mixed with 6.64 mol toluene
What would be the relative standard deviation in the molarity of the base if the standard deviation in the measurement of mass in a.) is .002g and this uncertainty limits the precision of calculation?
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield?
A blackbody emits light with a frequency of 1.54 x 1014 s-1. The total energy emitted per second at this frequency is 1.02 x 10-11 J. How many photons are emitted per second
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
A natural gas mixture is burned in a furnace at a power-generating station at a rate of 13.0 mol per minute. (a) If the fuel consists of 9.3 mole CH4, 3.1 mole C2H6, 0.40 mol C3H8, and 0.20 mole C4H10, what mass of CO2 (g) is produced per minute? ..
Question- As the biochemistry lab supervisor, you need to prepare 2.5 L of 35 mM buffer at pH = 4.00 for an upcoming lab experiment. If you have available to you malic acid and sodium malate, then calculate the mass (g) of malic acid and sodium ma..
How do you calculate the transition when given only the wavelength?
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