emerald
This page lists questions and answers that were posted by visitors named emerald.
Questions
The following questions were asked by visitors named emerald.
A figure shows two forces acting on an object. They have magnitudes F1 = 6.3 N and F2 = 2.1 N. What third force will cause the object to be in equilibrium?
14 years ago
a .72g sample of polyvinyl chloride is dissolved in 250.0ml of a suitable solvent at 25C. the solution has an osmotic pressure of 1.67mmHg.What is the molar mass of the PVC?
14 years ago
1.10g of an unknown compound reduces the freezing point of 75.22g benzene from 5.53C to 4.92C. What is the molar mass of the compound?
14 years ago
Calculate the mole fraction of the solute in the following aqueous solution: a) .112M C6H12O6 (d=1.006g/ml). b) 3.2% ethanol, by volume (d=.993g/ml); pure CH3CH2OH, d=.789g/ml
14 years ago
Answers
The following answers were posted by visitors named emerald.