What is the final temperature of the aluminum
A 45.0 g aluminum block initally at 28.0 Celsius absorbs 825 Joules of heat. What is the final temperature of the aluminum? The specific heat capacity of aluminum is 0.903 J/(g Celsius).
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An excess of zinc metal reacts with 500. mL of 12M hydrochloric acid and produces 48.8 L of hydrogen gas at 20 degrees C and 750 torr. Determine the mass of zinc metal reacted.
POCl3(g) POCl(g) + Cl2(g) is at equilibrium. Which of the following statements describes the behavior of the system if the partial pressure of chlorine is reduced by 50%?
What mass of CCl2F2 substance must evaporate in order to freeze 135 g of water initially at 15 degrees celsius? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/gK .)
Draw two Lewis structures for Cl2O7: one with a chlorine-chlorine bond and one with a Cl-O-Cl arrangement of atoms.
Assuming the connecting tubes have negligible volume, what is the partial pressure of each gas and the total pressure after all the stopcocks are opened?
The metal rhodium has a FCC crystal structure. If the angle of diffraction for the (311) set of planes occurs at 36.12° (first order reflection) when monochromatic x-radiation having a wavelength of 0.0711nm is used.
25 ml of 0.1002 HA was titrated with 10 ml of 0.1997 NaOH , pH is 4.46 , what is the Ka value? and what is the pH at equivalence point.
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