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An imagnary element Xz conists of two isotopes having massess of 100.00 amu and 102.0 amu. A sample of Xz was found to contain 75.0% of the 100xz isotope and 25.0% of the 102xz. Calculate the atomic weight of Xz
Any advice on how you got the answer would be greatly appreticated.
You conduct an experiment where N2 is collected over water in a 2.12 L flask at 23.oC. At the conclusion of the experiment, the total pressure in the flask is 652. torr. What is the pressure of N2 in the flask?
2500 kg/hr of a mixture containing equal parts by mass of benzene and toluene are distilled. The flow rate of the overhead product stream is 988 kg/hr , and the bottom stream contains 17.03 wt% benzene.
how many grams of carbon dioxide (CO2) gas at are contained in a volume of 344 liters at STP?
What volume of carbon dioxide is produced at 1 atm and 87 °C when 1.6 liters of methyl alcohol burns? What volume of liquid water is produced in this reaction?
A microwave oven operating at 2.4 GHz has a power output of 650 W. A) What is the wavelength of the mocrowaves?
At constant volume, the heat of combustion of a particular compound is -3698.0 KJ/mol. When 1.895 g of this compound (molar mass=181.06 g/mol) was burned in a bomb calorimeter
what is the molarity of an NaOH solution if 25 mL of this solution reacts exactly with 22.3 mL of .253 molar sulfuric acid?
Calculate the partial pressure of carbon dioxide after cooling back down to the initial temperature and the mass percent, the mole fraction, and .
What is the molarity of benzyl alcohol if the molecular weight is 108.14, the volume is 5 mL
A sample of methane gas (CH4) at 18.8 oC is heated. The pressure increases from 1.78 atm to 2.46 atm, and the volume of the sample changes from 4.09 L to 1.89 L.
Explain why the in phase vibration is located at a higher frequence than the out of phase stretch in the case of acetylene.
a 1.150g of the hydrated salt ZnSO4. XH2O is dissolved in water and the sulfate ion is precipitated by adding an excess of BaCl2 solution. The mass of Pure and Dry BaSO4 precipitated obtained is 0.9335g. What is the formula of the zinc sulfate hyd..
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