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Calculate the number of atoms of Na in 0.25 mole in sodium oxide
What are the empirical and molecular formulas of a compound that is 40.27% potassium, 26.78% chromium, and 32.95% oxygen? The molar mass of the compound is 194.2 g/mol.
Tartaric acid (C4H6O6) is naturally found in fruits like grapes and banana. It is used in the food industry as a leaving agent that gives a sour taste. Determine the percent composition of each element in the compound.
How much heat is released when 358 g of water cools from 68.3°C to 18.9°C? The specific heat of water is 4.184 J/g°C.
The average diameter of an adult human eyeball is 24mm. What is the diameter in dm?
A water sample has a methyl orange acidity of 60 mg/L. Calculate the quantity of lime in mg/L of CA(OH)2 required to raise the pH to 3.7?
How many hydrogen atoms are in 2.50 g of pharmacolite,
CaHAsO4•2H2O (M = 216.0)?
1. Constraints on the number of independently moving particles; i.e., on whether the particles must move as an aggregate or can move separately.
2. Constraints on the direction of motion.
3. Constraints on the volume in which the motion is executed
How thermodynamic properties, in particular Entropy, would now respond to these constraints.
- The osmotic pressure of 250mL of an aqueous solution containing 0.150g of the enzyme lysozyme is found to be 0.0013atm at 24.850 Calculate the molar mass of lysozyme.
- How many grams of Lactic acid (C6H10O5) should be dissolved in 650g of cyclohexane (C6H12) to raise the boiling point to 84.910C? The normal boiling point of cyclohexane is 810C and its molal boiling point is 2.75 0C/m.
