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The Tropical Temperatures Problem: Think of the temperature at each point on the equator of the earth at a particular time (time does not change). (a) Suppose a random point somewhere on the equator is chosen and its temperature recorded. Is there any reason to believe there must be another point on the equator where the temperature is exactly the same? (b) Is there any reason to believe there are two points somewhere on the equator where the temperatures are exactly the same? (c) Is there any reason to believe there are two diametrically opposite points on the equator of the earth where the temperatures are exactly the same? Find at least two ways to think about the problem and arrive at a solution.
Based on the chemistry of an ion-exchange chromotography describe how you will calculate Mpc for your water samples.
calculate the energy involved in the conversion of 272 g of steam at 373 K to ice at 243 K. Be sure to use the correct sign.
A metallic object to be plated in copper is placed in a solution of CuSO4. What mass of copper will be deposited on the object if a current of 0.22 amps flows through the cell for 1.5 hours
Write the IUPAC name of the expected product(s) for the oxidation of each of the following compounds. A. 2-pentanol
Write a balanced chemical equation for the following reaction in an acidic solution. Cr2O72-(aq)+Br-(aq)>>Cr3+(aq)+Br2(aq)
Please explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4 .1 M NiF2 .2 M Rb2CO3 0.01 M Sr(OH)2 and .03 M ScBr3.
At 25 oC, experiment shows that the total pressure of the gases in equilibrium with the solid is 0.116 atm. What is the equilibrium constant Kp and Kc?
what is the mass percent composition of aluminum in aluminum
What are the main effects of petroleum toxicity, what is gasoline, what are the components of gasoline, define word dispersant & list the chemical composition of the chemical dispersant "corexit"
A mixture of aluminum and zinc weighing 1.67g was completely dissolved in acid to give 1.69L of hydrogen gas measure at STP. What is the weight of aluminum in the original mixture
Suppose that the gas-phase reaction A B and B A are both elementary processes with rate constants of 6.56e-02 s-1 and 3.51e-04 s-1, respectively
HFC's (hydrofluorocarbons) are replacing CFC's (chlorofluorocarbons) because the C-H and C-F bonds are stronger than C-Cl bonds. If the bond enthalpy of a C-F bond is 482 kJ/mol.
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