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Write the balanced formula unit equation for the reaction of hydrobromic acid with magnesium hydroxide. What is the sum of the coefficients? (Do not forget coefficients of one.)
A balloon with an initial volume of 3.8 L at a temperature of 305 K is warmed to 385 K. What is its volume at the final temperature?
What volume o CO gas is produced by the following reaction at 240K and 1 atm pressure? Use ideal gas law for this gas
The optimal temperature for the action of lactate dehydrogenase is 36*C. It is irreversibly inactivated at 85*C, but a yeast containing this enzyme
If R = 0.0821 liter-atmospheres/mole-degree K, the flask volume is 275 ml, the pressure is 775 torr., calculate the density of the vapor for CH2Cl2 at 75C 2.
Each tablet contains 80. mg of the active ingredient and comes in bottles of one hundred. How many mL of a 0.100 M solution of HCl are required to dissolve ther active ingredient in a full bottle of Gaviscon tablets?
The Space Shuttle usesaluminum metal and aluminum perchlorate in its reusable boosterrockets. The products of the reactionare aluminum oxide, aluminum chloride, nitrogen oxide gas, andsteam:
The vapor pressure of water at 20oC is 17.5 mmHg. What is the vapor pressure of water (in mmHg) over a solution prepared from 258 g sucrose (C12H22O11) and 350 g water?
Consider a gas at 1.00 atm in a 5.00 L container at 20 degrees celsius. What pressure does the gas exert when transferred to a volume of 2.77 L at 43 degrees celsius?
What is the maximum mass of CuS which can be formed when 38.0 mL of 0.500 M CuCl2 are mixed with 42.0 mL of 0.600 M (NH4)2S? Aqueous ammonium chloride is the other product.
Calculate the wavelength and frequency of an emitted gamma particle having the energy of 1.29x 10^11 J mol. Enter in scientiic notation.
For an ensemble consisting of a mole of particles having two energy levels separated by 1000. cm-1, at what temperature will the internal energy equal
Determine the numerical values of the parameters A, B, and C in the Antoine equation relating vapor pressure of pure substances to temperature using an appropriate linear regression procedure.
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