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The vapor pressure of isopropyl alcohol at 25 C is 44 mmHg at sea level. Explain what is the vapor pressure at 25 C at 8555 ft?
Population ratio between two energy levels is 0.98. The space between the energy level is 0.625 meV. What is the system's temperature?
according to the following reaction how many moles of nitrogen gas will be formed upon the complete reaction of 0.646
If 4.21*10^-3 moles of Ca^2+ react with excess PO4^3- to form calcium phosphate, how many moles of the solid will form.
What is the empirical formula for the hydrocarbon?
Tungsten has a BCC structure, an atomic radius of 0.137 nm and an atomic weight of 183.84 g/mol. Compute its theoretical density.
Ammonium nitrate decomposes to N2O and water at temperatures between 250 deg. celcius and 300 deg. celcius. write a balanced chemical recation describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the ..
Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 25 mL of octanol at pH 4.00 in water.
Write chemical equations for the reaction of calcium with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations
Would the change in enthalpy of a neutralization rxn involving weak acid as well as strong base be greater or less that of a rxn between a strong acid and strong base. WHY
Explain what property is required for the many cofactors, groups and coenzymes that make up the electron transport chain. Explain what must be true of all of them in order for the ETC to work as intended
The compound dichlororodifluoromethane (CCl2F2) has a normal boiling point of -30C, a critical temperature of 112C, also a corresponding critical temperature of 40 atm. If the gas is compressed to 18atm at 20C, will the gas condense Why if so
Calculate the pH of the following solutions with the given [H+] or [OH-] and indicate whether the solution is acidic or basic
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