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Balloon utilized for atm research has volume of 1 x 10 exponents of 6. Presume balloon is filled with helium STP, and allowed to ascend to 10km, where pressure is 243mmHg, and temp is -33C. Explain the volume of balloon under these atm conditions?
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
In the welding shop of the XYZ Manufacturing plant you have a cylinder with a volume of 548L of a compressed gas, and the pressure gauge shows 238 psig at the room temperature 25 C.
find the volume of a gas inside a cylinder.1. air trapped in a cylinder fitted with a piston occupies 168.8 ml at 1.08
Sketch a cell which depicts the electrolysis of a 1.00 M aqueous solution of HCl. Assume both the electrodes are copper. Indicate the ions in the solution and the half-reaction at each electrode. Calculate the minimum voltage required for the elec..
which of the following are found in cell membranes?
The equation for the reaction is CaCO3(s) + 2HCl(aq) arrow CaCl2(aq) +H2O(l) +CO2(g) The excess HCL (aq) is titrated by 6.45 mL of 0.125 M NaOH(aq). Calculate the mass percentaageof CaCO3(s) in the sample.
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4 degrees C. The vapor pressure of water at 69.4C is 227.7..
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during a steam distillation. The boiling point of the mixture is 69.4°C is 227.7 mmHg.
Kevlar is a strong synthetic fiber used in bullet proof vests and body armor. Kevlar is made by the condensation reaction between 1,4-phenylene-diamine and terephthaloyl chloride. Modify the monomers below to create one repeat unit of the polymer.
Predict the common charges of the ions of tin. Explain your reasoning in terms of electron configuration. Also, predict the highest possible charge of a zirconium ion. Explain your reasoning in terms of electron configuration.
Show the complete hydration reaction for 3-octane. Use the condensed structural to show reactants
At 25 degrees celsius at 0.50 g sample of polyisobutylene (a polymer used in synthetic rubber) in 100.0 ml of benzene solution has an osmotic pressure that supports a 5.1mm column of solution (d = 0.88 g/mL). What is the molar mass of the polyisob..
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