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A flask that can withstand an internal pressure of 2525 torr, but no more, is filed with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst?
Referring to the line representation, is the cell reaction spontaneus or non-spontaneous? Explain your answer.
A sample of molten iron occupies a volume of 7.11 x 10-3 L. If the density of iron is 7.86 g/cm3, what is the mass of iron in grams in the sample?
specific brand of gourmet chocolate candy contains 7.00 rm g of dietary fat in each 22.7-rm g piece. How many kilograms of dietary fat are in a box containing 4.00 lb of candy?
If the initial pressure of iodoethane is 894 torr at 245°C, what is the pressure of iodoethane after three half-lives?
What is the mass percent of MgO in the mixture? Assume that only the MgO reacts with CO2.
The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites
A biochemical engineer isolates a bacterial gene fragment and dissolves a 10mg sample in enough water to make 30ml of solution. the osmotic pressure of the solution is .340 torr at 25 degrees C. the molar mass of the gene fragment is 1.81x10^4 g/m..
If the crystal field splitting (Δo) is 3.44×10-19 J for a cobalt compound, what wavelength of light (in nm) is absorbed when an electron from a lower energy d orbital is promoted to a higher energy d orbital? What color will the cobalt compound ap..
calculate the pH of a soluion created by mixing 389.5 mL of .182 M HC4H7O2,
Determine the molarity of a saturated NaI Sodium iodide solution (aqueous) formed as twenty five degree Celsius
A sample of gas occupies 15.0 liters at 4.00 atmospheres and 300 K. What is the new volume of the gas if pressure is decreased to 2.00 atmospheres and temperature is increased to 400 K?
How many kilograms of CaH2 are needed to fill a 147 L tank with compressed H2 gas at 160 atm pressure and 27 degrees C?
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