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An experiment shows that a 248mL gas sample has a mass of 0.433g at a pressure of 745 mmHg and a temperature of 28 degrees C. What is the molar mass of the gas
For the following battery: Cd(s) | CdCl2(aq) || Cl-(aq) | Cl2(l) | C(s) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) From which electrode will electrons flow from the batter..
What is the magnitude of the net gravitational force on the mass at the origin due to the other two masses Take the gravitational constant to be = 6.67×10?11 .
The inner and outer surfaces a spherical shell with radii of 1cm and 2cm are 300C and 100C respectively .If the thermal conductivity of the shell is 2w/m.k,determine the heat transfear through the shell.
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
In this experiment the choice of precipating reagent is important. briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to seperate Fe3+ and Al3+ ions from Ca2+, Cu2+, and K+ions at pH9-10...
a 37.4-l volume of methane gas is heated from 22 degrees c to 78 degrees c at constant pressure. what is the final
How would you distinguish experimentally between an amphourous, a crystalline and a crosslinked polymer
the solution is 0.55°C lower than the melting point of pure Camphor. Calculate the molar mass of the unknown compound
Briefly explain which indicator, bromocresol purple (pKa = 6.3; from yellow to purple) or thymolphthalein (pKa= 10.0; from colourless to blue), would be better for use in this titration
What is the empirical formula for an prganic compound whose percentage composition is 40.0% carbon
What force keeps the gases of the earth's atmosphere from diffusing into interplanetary space, where the pressure is essentially zero?
What is the dew point of a mixture of air and water vapor at 60°C and 1 atm in which the mole fraction of the water is 12%. The total pressure on the mixture is constant.
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