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Suppose you are measuring the mass of a sample using a balance that employs a standard mass of density dw = 8.0 g/mL.
a) What is the buoyancy correction (m/m\'), if the sample density is less than 8.0 g/mL?
b) What is the buoyancy correction if the sample density is equal to 8.0 g/mL?
c) What is the buoyancy correction if the sample density is greater than 8.0 g/mL?
what is the molarity of a solution containing 7.0 moles of solute in 4300 mL of solution?
The decomposition of ozone in the upper atmosphere is facilitated by {\rm NO}. The overall reaction and the rate law are O3(g) + O(g) = 2 O2(g) Rate = k [ O3}][ NO]
To what volume must 558 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
Describe two independent methods for determining the atomic mass of an element. Explain how these method are truly independent.
Draw the path taken by Ann as she walks her dog. Represent each segment of Anna's walk with a vector. The vectors should start and end at the centers of the red dots located on the image.
Determine the mass of carbon dioxide (in g) produced from the complete combustion of 1.40×10-2 g of C6H10 with excess oxygen.
Calculate the amount of energy in the form of heat that is produced when a volume of 4.70 L of SO2 (g) is converted to 4.70 L of SO3 (g) according to this process at a constant pressure and a temperature of 1.00 bar and 25 degree celsius.
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
total of 2.00 moles of a compound is allowed to react in a foam coffee cup that contains 122 gm of water. The reaction caused the temperature of the water to rise from 21.0 to 24.7
A 10.0 mL sample of liquid bleach is diluted to 100. mL in a volumetric flask. A 25.0 mL aliquot of this solution is analyzed using the procedure in this experiment. If 12.1 mL of 0.30 M Na2S2O3 is needed to reach the equivalence point, what is th..
a quantity of water is heated from 25.0 C to 36.4 C by absorbing 325 joules. what is the mass of the water?
Calculate the solubility of zinc hydroxide, Zn(OH)2, in 1.00 M NaOH. Ksp = 3.0 × 10-16 for Zn(OH)2, Kf = 3.0 × 1015 for Zn(OH)42-
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