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A gas sample occupies a volume of 396 mL at a pressure of 1.28 atm and 72 degree Celsius. Compute the volume of the gas if its temperature is changed to -31.5 degree Celsius while its pressure is held constant.
compute the pH at the temperature of twenty five degrees Celsius of a solution combined by adding 50 mL of 1.60 M sodium hydroxide solution to 0.5 of .0850 M HC5H3O3.
When a mixture of 10.0 g of C2H2 and 10.0 g of O2 is ignited, the resultant combustion reacion produces CO2 and H2O. How many grams of C2H2, O2, CO2
What percent of bacetrial cell wall will be hydrolyzed at the end of 3 minutes assuming product formation is in 1st order of reaction? b) What will be a concentration of hydrolyzed product at the end of 4 minutes?
the route you would use to go from starting material product to the end.
A solution of salt (molar mass 90 g mol -1) in water has a density of 1.29 g/mL. The concentration of the salt is 35% by mass.
The atomic weight of a newly discovered el-ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 gms and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
Bohr's model is used to treat emission lines of hydrogen lamp. It may also be used to study emission lines in mercury lamp or krypton lamp, the other two lamps that are used in this lab.
Why would we obtain the same equation of state for linear molecules and non-linear molecules ( that is, taking rotations and vibrations into account?
After running the reaction for some time, we collect the product and find a total of 3.1 x 10-3moles of COOH groups. What is the molecular weight of the material? Extent of reaction?
Neglect activity and assume that neither Hg2+ nor SCN- react significantly with water (no formation of HgOH+ or HSCN). Hint: you will probably want to make an assumption in the charge balance to simplify the problem and then test to see if the ass..
If your methanol was wet (contained water), what compound would be formed and isolated along with trityl methy ether. Explain and what effect would that have on the melting point of the product
The following table lists molar concentrations of several ions in seawater. Using a density of 1.022 g/mL for seawater
We can measure the concentration of HCl solution by reaction with pure sodium carbonate: 2H^+ +Na_2CO_3 -->2Na^+ +H_2O + CO_2. Complete reaction with 0.9674 + and - 0.0009g of Na_2CO_3 (FM 105.9884 + and - 0.0007) required 27.35 + and - 0.04 mL of..
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