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Draw an electrochemical cell made from a magnesium electrode in a 1.0 M MgSO4 solution and a nickel electrode immersed in a 1.0 M solution of NiSO4 , showing the items listed below, and send it to me (email) for extra credit.
a) write the net ionic equation for the reaction.
b) Label the anode and cathode
c) State what is oxidized and reduced
d) Show which directions the electrons flow
e) Calculate the cell emf for the cell at standard conditions
How many grams of NaN3 are required to produce 20.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L?
In the reaction between p-aminophenol and acetic anhydride to form acetaminophen, 0.450 ml of water was added. what is the purpose of the water
Problem- To prevent tank rupture during deep-space travel, an engineering team is studying the effect of temperature on gases confined to small volumes. What is the pressure of 4.00mol of gas D measured at 251 C in a 1.75-L container assuming idea..
Question- The following equilibrium was obtained when some NO gas was placed into a 2.00-L container until the pressure was 0.650 atm
calculate the specific heat capacity of this sample of mercury if the amount of energy required to heat 2.00 grams hg
The bottle is then brought outside and stored at 0.0°C. (a) What mass of liquid water condenses inside the bottle?
The following show the connectivity of atom only atom other than carbon and hydrogen are labeled how many degree of unsaturation are pressent in the compound? chose the correct answer from the following.
The earth has a radius of about 6.35 *10^6 m and a mass of 5.98 *10^24 kg. What would be the radius if the earth had the same mass density as matter in a nucleus
At 320 K and 16 atmospheres, the molar volume of ammonia (NH3) is about 10 % less than that of an ideal gas. Explain this observation.
if the half reaction at an electrode is the reduction of zinc fromzinc 2 ions how many grams of zinc would be produced
You will start with 500 mg of one of isoamyl acloho to make isoamyl acetate. While the alcohols are liquids, we will measure them by mass directly on the balance, not by volume (i.e. the density of the alcohol will not be used; pretend the alcohol..
calculate the concentration of each ion present in a solution that result from mixing 50 ml of a .20 m naclo3 solution
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