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A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s2.) Show your work for credit.
Calculate the mass of silver chloride required to plate 135 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% Ag.
A misture of .25 mol N2 an d .60 mol H2 are placed in a 1.0 L evacuated flask at 300 degrees Celcius and it is then allowed to reach equilibrium. If the equilibrium misture contains .45 mol H2, what is the equilibrium constant for reaction
question find the adiabatic flame temperature in the complete combustion of propane c3h8 entering at 2.5 bars and 25 c
State chemical equations for the formation of the following Fischer esterification products- ethyl acetate, phenyl propanoate, benzyl acetate, isopentyl butanoate, methyl o-aminobenzoate.
One of my titration-related topic and I'm finding for a mystery akali metal element which has compound formula of M2CO3. M, being the mystery one (it can be any of the akali metals). From my data and calculation, I obtained an amu value of 31 g/mol...
A 0.075M aqueous solution of a weak , monoprotic acid is 0.85% ionized. Calculate the value of the ionization constant, Ka, for this acid.
An acid-base equilibrium system is created by disolving 0.10 mol HF in water to a volume of 1.0 L. What is teh effect of adding 0.050 mole F-(aq) to this solution. a. the pH of the solution with decrease
How many grams of solid calcium hydroxide Ca(OH)2 are required to prepare 200 mL of a 0.05 M solution. Molar mass (formula weight) of Ca = 40.1 g/mol, O = 16.0 g/mol, and H = 1.01 g/mol.
A concentration cell has the same kinds of half-cells, for example Cu?CuSO4(aq), but has a nonzero emf due to differences in CuSO4 molalities. Explain how it is possible for the galvanic cell Cu(s)?CuSO4(aq)?Cu(s), that contains only one CuSO4 sol..
Explain what is the molar heat capacity of titanium metal if it takes 89.7 joules to increase the temperature of a 33.0 g block of titanium by 5.20 degrees C
Starting with the standard free energies of formation from the following table calculate the values of delta G° and E° cell of the following reactions:
The final volume of the balloon is 1500 mL. The atmospheric pressure is 1.00 atm. What was the original pressure of HI in the cylinder before the release of HI
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