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1. Determine the volume of occupied by 2.34 grams of carbon dioxide gas at STP.
2. A sample of argon gas at STP occupies 56.2 liters. Determine the number of moles of argon and the mass in the sample.
3. At what temperature will 0.654 moles of neon gas occupy 12.30 liters at 1.95 atmospheres?
4. A 30.6 g sample of gas occupies 22.414 L at STP. What is the molecular weight of this gas?
5. A 40.0 g gas sample occupies 11.2 L at STP. Find the molecular weight of this gas.
6. A 12.0 g sample of gas occupies 19.2 L at STP. What is the molecular weight of this gas?
Problem- Which of the following compounds is most soluble in water? 3-pentanone octane 1-butanol methyl propyl ether propane
The attached flow sheet is associated with the solvent extraction-electowinningplant for which you work. All of the numbers represent the copper concentration in g/L and all the parenthetical numbers represent the sulfuric acid concentration in g/L. ..
Kw=1.0E-14. A sample of 0.1355g of an unknown monoprotic acid was dissolved in 25.0mL of water and titrated with 0.0950 M NaOH. If the acid required 19.3mL of base to reach the equivalence point, what is the molar mass of the acid
2 hcl aq mgs lt--gt mgcl2 aq h2 g heat. when the temperature is increased in the system referenced above the
if you started a ride with ice packs that held 1600g of frozen water at 0 degree celius and the temperature of the
Suppose that you were able to design an engine without a cold sink, so that the energy from a hot object could be transferred to the surroundings entirely as work, with no heat exchanged. (a) What would be the entropy change of the surroundings? (..
Question- Will 28.7 grams of SiO2 react completely with 22.6 grams of H2F2? If not, state which is the limiting reagent.
likely to exhibit a stable +2 oxidation state? What are their electronic configurations
Compute the individual concentrations of HMR and MR in a mixture measured with absorbency 0.604 at 520 micrometers and absorbency 0.727 at 425 micrometers.
What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of ethane? What is the splitting of the signal in the 1H NMR spectrum for the methyl protons of 1-bromo-2-methylpropane? Please explain?
A 100.0-mL buffer solution is 0.175M in HCIO and 0.150M in NaCIO .What is the pH after addition of 150.0mL of HBr?
if 2.15 g of an unknown solid nonelectrplyte is dissolved in18.1 g of naphthalene the resulting solution is
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