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A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25M . The concentration of Cu^2+ in one of the half-cells is 1.5×10-3 . What is the concentration of Cu2+ in the other half-cell?
The temp rises to 17.9 degrees celsius. Neglecting heat capacity of container, what is the specific heat of the metal? The specific heat of H2O(l) is 4.18 J/(g*degree Celsius)
How many mL of 5.0 M NaOH can be added before its buffering capacity is exhausted?
The HCl molecule is quite well described by the morse potential with hcDe=5.33 ev. v=2989.7 and xv+52.05 . Assuming that the potential is unchanged on deuteration , predict the dissociation energy of HCl and DCl
Calculate the heat that must be supplied to 10.8 g of Ne at .15 atm to raise its temperature from 28C to 51C at constant pressure. Assume that neon behaves as an ideal gas.
To a solution that is known to contain come of the soluble ions from group 1 and no other cations or inteferring substances, 12 drops of 6M hydrochloric acid is added and no precipoiate forms.To clear solution is evaporated to half its volume and ..
Nitrogen dioxide decomposes according to the reaction 2NO2(g) 2NO(g) + O2(g) where Kp = 4.48 × 10-13 at 25°C. What is the value for Kc?
The disappearance of X is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below.
how many grams will remain after 98.0 daysnbsp if phosphorus-32 has a half-life of 14.0 days starting with 6.00g of
A student has analyzed several 1 nL volume samples of a 10-12 M solution. What is the expected precision due to Poisson statistics
What component of air will bring about this reaction and what is its approximate concentration in air? If you had a stoppered flask with basic luminol and then opened it to the air
What is the pressure in the tank in atmpshere at a temp. of 33 degrees celcius after the CO2 (r) has been coverted to gas?
Explain why bubbles are observed to emerge from the jar when it is in the boiling water. b. Explain why the lid "pops down" on the jar top soon after removing the jar from the boiling water.
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