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If the copper is drawn into wire whose diameter is 8.50 mm, how many feet of copper can be obtained from the ingot? The density of copper is 8.94 rm{g/cm^3}.
A sample of nitrogen N2 has a volume of 300 mL at 34^C and a pressure of 745 mmHg. What is the Volume of Nitrogen at STP
Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds. Equation 1 shows its preparation from PCl3 and Cl2. (1) PCl3(l) + Cl2(g) PCl5(s)
a gas company in massachusetts charges $2.80 for 15ft^3 of natural gas at 20 degrees C and 1 atm. Calculate the cost of heating 200mL of water from 20 degrees C to 100 degrees C.
How many grams of Mg2SO4 is required to make up 100mL of 20g/L Mg2SO4 solution in water?
Initial Concentration of azomethane Initial rate Exp. 1 1.13 x 10-2 M 2.8 x 10-6 M/s Exp. 2 2.26 x 10-2 M 5.6 x 10-6 M/s
After the Ketone react with sodium borohydride in ethanol. HCl be added dropwise, and then remove the ethanol by distillation, then add DCM and ice water.
An unknown gas having a mass of 2.041 g occupies a volume of 1.15 liters at 0.974 atm and 20 degrees Celcius. Calculate the molar mass of the unknown gas.
Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished. what would be the new equilibrium total pressure.
What mass of iron would be required to cover a football playing surface of 120 yds × 60 yds to a depth of 1.0 mm?
The speed of sound in air is 344 m/s at room temperature. The lowest frequency of a large organ pipe is 30 s-1 and the highest frequency of a piccolo is 1.5 x 104 s-1. Find the difference in wavelength between these two sounds.
A sample of propane occupies 250.0 L at 125 kPa and 38 degrees celsius. Find its volume at 100.0 kPa and 95 degrees celsius.
A sample of fluorine gas occupies 855 mL at 710 mm Hg and 1550C. What is the mass of the sample?
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