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Question- How much chromium metal can be produced from electrolysis of molten Na2CrO4 using 15 milliamps for 12 hours?
Here is the problem which I am struggling on, please help me!
If 69.5 kJ of heat is applied to a 1034 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
How many grams of aspirin were lost in the washing process you used to purify your product, assume you used 50 ml of water for washing
calculate the freezing point and boiling point of an aqueous solution that is .040 molality in na3po4. assume that the
Determine whether a bond between each of the following pairs of atoms would be pure covalent, polar covalent, or ironic.
Why did the book suggest using a Hirsch funnel? What would be the benefit of using a Hirsch funnel?
An unknown oxide of mercury decomposes while heated to form mercury metal and oxygen gas. While a 1.048 g sample of this unknown is heated, 0.971 g of mercury remains. Compute the moles of mercury and moles of oxygen in the compound.
The diameter of a penny is 19mm. the diameter of a Cu atom is 2.6A. How many Cu atoms side by side in a straight line could fit across the diameter of a penny
A certain gas has a volume of 200 dm3 at 27oC and 2 atmospheres of pressure. What is its volume at STP?
State the relevant equations starting with the mass action as well as mass balance expressions. For your last equation, state the charge balance, proton balance
what happens if cellulose is reacted with maleic anhydride C4H2O3? Again, how is the cellulose molecule/structure altered and what are the reaction by-products?
Under the same conditions of temperature and pressure it takes an equal volume of bromine vapor 4.74 min to effuse through the same hole. Calculate the molar mass of the unkown gas and suggest what this gas might be.
Draw both chair-conformations of trans-1-isopropyl-2-methylcyclohexane, & identify the most stable structure.
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