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A scuba diver releases a balloon containing 155 L helium attached to a tray of artifacts at an underwater site. when the baloon reaches the surface it has expanded to a volume of 355 L. the pressure at the surface is 1.00 atm. what is the pressure at the under water site? Pressure increases at 1.0 atm for every 10 m depth; at what depth was the diver working. Assume the temp remains constant.
Explain why the wild horse analogy can be used to help explain a certain type of chemical bonding
Is strategic behavior important in this market pharmaceutical drugs. Avoid answering any of the questions with a quote.
a substance containing 28.84 nitrogen 0.0648g hydrogen and oxygen and carbon with total mass of the substance 1.2953 is
Azulene has an appreciable dipole moment. Write resonance structures for azulene that explain this dipole moment and that help explain its aromaticity.
The standard reduction potiental for the reduction of Eu+3 to Eu+2 is -.43 volts... list atleast 3 substances capable of reducing Eu+3 to Eu+2
Given a stationary phase of silica gel and nonpolar and polar analyte, which would elute first. Also if given a polar analyte/solute like cocaine, how might an increase in the polarity of the solvent affect the transport of the analyte
Calculate using tabulated enthalpies only, the amount of energy (in kJ) required to raise the temperature of the gas mixture from 100 °C to 200 °C (at constant pressure).
In an oversight in the experiment Jamie did not add the 4-5 additional drops of 6M HNO3. As a result, will the reported number of moles of oxygen be too high or too low in the final product. Explain.
When 0.941 mol of gaseous HI is sealed in a 1.00-L flask at 225°C, it decomposes until the equilibrium amount of I2 present is 0.171 mol: 2HI(g) ? H2(g) + I2(g) Use these data to calculate Keq for this reaction at 225°C
A solution contained KIO3 and excess KI. 25 cm3 of this solution were acidified and the liberated I2 required 26.8 cm3 of 0.1 M Na2S2O3 for complete recaction.
How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NiCl2 for 80.0 minutes?
Suppose that a 2.00-L metal bottle that contains air at 113K and 2.5 atm pressure is sealed off. If we inject 60.0 mL of liquid helium and allow the entire system to warm to room temperature (25°C), what is the pressure inside the bottle?
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