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Question- A sample of an ideal gas has a volume of 2.30 L at 288 K and 1.12 atm. Calculate the pressure when the volume is 1.20 L and the temperature is 305 K. B) If 26.5 moles of an ideal gas is at 9.83 atm at 94.60 °C, what is the volume of the gas? C) If 6.09 moles of an ideal gas has a pressure of 3.47 atm, and a volume of 45.13 L, what is the temperature of the sample in degrees Celsius?
This solution offers detailed step-wise calculations pertaining to a chemistry lab.
What was the concentration, in mol/L and mg/L, of Cu^2+ and Zn^2+ in the original solution? If the solution was prepared by dissolution of 0.654 g of brass in 250.00 mL solution, what the percentage of copper and zinc in the original sample of bra..
Tooth enamel in mainly hydroxyapatite, Ca10(PO4)6(OH)2. If 1.117g of tooth enamel reacts with acid to give 1.111g of calcium chloride, what is the percentage of hydroxyapatite in the tooth enamel sample
If 36.0 mL of 0.150 M HCl(aq) is needed to neutralize all the NH3(g) from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
Propose a mechanism to account for the formation of a cyclic acetal from 4-hydroxypentanal and one equivalent of methanol
A buffer that is 0.210 M in acid, HA, and 0.172 M in the potassium salt of its conjugate base, KA, has a pH of 4.66. What is the pH of the buffer after 150. mL of 0.359 M LiOH is added to 0.950 L of this buffer? Assume that the volumes are additiv..
If the density of the solution is 1.1094 g/mL, what is the molarity of the sulfuric acid?
Question- A crystal lattice has copper at all the edge positions and nickel at all the body positions in a unit cell. 1) What is the formula of the unit cell?
The term molecular mass better suited than the term formula mass?
Calculate the molar Gibbs free energy change for the phosporylation of glucose by ATP to produce glucose-6-phosphate. Assuming the reaction happens at 310K and at pH 7. The concentration of ATP, ADP, G6P, and Glu are 1850 µM, 138 µM, 83 µM, and 50..
1In a hydrogen fuel cell, hydrogen gas and oxygen gas are combined to form water. Write the balanced chemical equation describing this reaction (using lowest whole-number coefficients).
octane has a density of 0.692g/ml at 20C. How many grams of O2 are required to burn 30.5 gal of C8H18
Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high
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