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Write the cell notation for a voltaic cell with the following half-reactions. (Include states-of-matter under SATP conditions in your answer.)Al(s) ? Al3+(aq) + 3e-2H+(aq) + 2e- ? H2(g)
E85 fuel is a mixture of ethanol and gasoline. What is the mass in kilograms of E85 (d=0.758g/mL) in a 14.0 gallon tank.
explain how to find distinct terminal alkynes.
Plan and Design Lab: To Determine the water of crystallization of a hydrated salt XY•nH2O and to determine the value of n in the formula XY•nH2O with a relative formula mass of 392.14.
The heat of fusion of ice (the heat associated with ice melting) is 6.0 . Find the temperature of the coffee after the ice melts.
A radioactive isotope may change a proton into a neutron in an attempt to become more stable. While doing so, a particle is emitted from the nucleus of that isotope.
Separat the components of a water-insoluble mixture of barium sulfate (BaSO4) and nickel (ii) carbonate (NiCO3). Chemicals provied to aid in the separation and recovery of the 2 component mixturee are HCl(aq) and K2CO3(aq)
25.0ml of a 4.21M HCL solution at 25.2C and 50.0ml of a 2.2M NaOH solution at 25.2C are reacted together to give a temperature of 44.1C.
dry-cleaning solvent (molecular weight = 146.99 g/mol) that contains C, H, and Cl is suspected to be a cancer-causing agent. When a 0.133 g sample was studied by combustion analysis, 0.239 g of CO2 and 0.0323 g of H2O formed. How many moles of eac..
Write a structural formula and a line-angle formula of each isomer of C4H8. Do not include any cyclic structure. Write the IUPAC name of each isomer. Make sure to include the cis- or tran- in the name if applicable.
For the molecular fragments given below indicate the multiplicity and relative intensities of the peaks that would be produced by the bold-faced hydrogen atoms in a 1H nmr spectrum
What information is obtained from analyzing the blank? Is this sample 100% elution solvent?
a question about an organic chemistry lab report. I am synthesizing aspirin (acetylsalicylic acid) using salicylic acid, acetic anhydride, and a catalyst.
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