How many moles of Ag contain 4.49 x10^23 atoms Ag? a. 0.745 x10^24 mol c. 0.745 mol b. 0.745 x10^23 mol d. 27.0 mol
1 mole = 6.02 x 10^23; the number of moles of Ag contain 4.49 x10^23 atoms Ag is: (4.49 x 10^23 )/(6.02 x 10^23)= 0.745 mol.
s
Updated 6/8/2014 12:26:46 AM
Confirmed by jeifunk [6/8/2014 12:26:46 AM]
Rating

A concentrated solution contains a large proportion of solute relative to the solvent. true or false?
Updated 6/8/2016 12:48:36 PM
A concentrated solution contains a large proportion of solute relative to the solvent. TRUE.
Confirmed by jeifunk [6/8/2016 12:52:28 PM]
Einstein observed that Brownian motion of particles exactly matches the motion of atoms and molecules. true or false
Weegy: Einstein observed that Brownian motion of particles exactly matches the motion of atoms and molecules. TRUE. (More)
Updated 12/23/2015 10:53:00 AM
What is an example of the Tyndall effect? a. The dispersion of coffee creamer in a hot cup of coffee. b. Salt changing the melting point of ice. c. The reflection of light by small particles in a dilute milk solution. d. The movement of electrons in a solid bar of iron.
Weegy: An example of the Tyndall effect is the reflection of light by small particles in a dilute milk solution. (More)
Updated 6/2/2014 12:55:46 PM
Which of the following is not true about gas behavior according to the Kinetic Molecular Theory? a. Gases are composed of molecules whose size is negligible compared to the average distance between them. c. The average kinetic energy of a molecule is proportional to the absolute temperature. b. Molecules move randomly in all directions and at various speeds. d. Gases are heavy molecules with a low kinetic energy that is not dependent on temperature.
Weegy: d. Gases are heavy molecules with a low kinetic energy that is not dependent on temperature. User: Three factors affecting gas pressure are the amount of gas, temperature, and __________. a. Volume c. number of particles b. Density d. How fast the particles are moving (More)
Updated 9/9/2014 7:21:22 AM
Three factors affecting gas pressure are the amount of gas, temperature, and Volume.
Confirmed by andrewpallarca [9/9/2014 7:26:03 AM], Rated good by andrewpallarca
Which of the following is NOT an example of a physical change? a. mixing c. grinding b. melting d. decomposing
Weegy: d. decomposing is NOT an example of a physical change (More)
Updated 5/30/2014 8:34:15 AM
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