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During the titration of sodium carbonate with HCl, the dissolved carbonate ion will exist in three different forms; CO3-2, HCO3-1, and H2CO3. During which part of the titration (initial, first equivalence point, or second equivalence point) will each form predominate. Explain your answer.
The figure below is a heat curve for an unknown outerspace substance discovered by the Mars rover. By understanding the heat curve, scientists can make inferences about the composition of the planet. What is the temperature of fusion, Tfusion, and va..
the mri magnetic resonance imaging body scanners used in hospitals operate with 400 rm mhz radiofrequency energy.how
Problem- Determine the ionic strength for each of the following solutions. Assume complete dissociation of each salt and ignore any hydrolysis reactions.
Why is there little seasonal difference in albedo in the tropics and across most of the southern hemisphere, but greater seasonal difference in albedo north of 40 degrees N?
The reaction between iron (III) oxide and aluminum, to produce aluminum oxide and iron, has a heat of reaction (ΔH) equal to -851.5 kJ/mole. How much energy is released if 0.56 moles of aluminum are consumed
Calculate the average formal charge on an oxygen atom in the structure of the phosphate ion that minimizes formal charges, such as demonstrated in Part A.
Starting with 0.86 moles of HF, calculate the number of moles of H2O that is produced by this balanced reaction.
Problem- Write the full orbital diagram for gallium and circle the electron that corresponds to the first ionization
Taking into account air resistance, how do you throw a ball to get the maximum range? Why? Do highway speed limit signs refer to average speeds or instantaneous speeds? Explain.
The standard enthalpies of combustion for ethanol and dimethyl ether are -1367kJ mol-1 and -1460kJ mol-1, respectively, at 298K. what is delta U at 298K for the purposes below:
What is the formula for the compound formed between germanium with a valency of (IV) and antimony with a valency of (III)
Problem- A mitochondrial membrane complex consisting of ATP synthase, adenine nucleotide translocase (ADP-ATP translocase), and phosphate translocase functions in oxidative phosphorylation. Adenine nucleotide translocase, a transporter located in ..
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