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A 31.0 mL sample of gas is collected at a temperature of 37 °C and pressure of 720 mmHg. What is its volume at 17 °C and 580 mmHg.
A sample of vapor occupies a volume of 125 mL at 100 degrees C and 748 torr. What is the volume of the same sample under STP conditions?
Car manufacturers are developing engines that use H2 as fuel. In locations where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis
Hydrangeas are flowers that retain blue coloration when grown in acidic soil and pink when grown in neutral or alkaline soil
How many molecules (not moles) of NH3 are produced from 1.52×10?4g of H2?
a student found that a maximum of 0.800g silver acetate is able to dissolve in 100.0ml of water. what is the molar
In Horner-Wadsworth-Emmons reaction, a 1,2-disubstituted alkene was produced in which the olefinic protons exhibited at vicinal coupling of 9.0 Hz in the 1H NMR. What is the stoichiometry of the double bond.
Beginning with propanol as the only organic compound (expcept solvents) available,
Permenant sterility in women occurs at 300.0 rem of exposure. The source radiates with 3540 rem at 500.0 cm.
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl?
Zinc metal can be obtained from zinc oxide (ZnO) by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2. What mass of zinc oxide is needed to react completely with 2.22 mol of carbon? Answer in units of g
The mass of a cube of iron is 324 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
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