Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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help me with this. thank you.
Transcribed Image Text:L-atm-
4. Starting from the universal gas constant (R = 0.0821 a), determine the volume (in L) occupied by
%3D
mol-K
2.45 moles of an ideal gas at 32.0°C and a pressure of 0.956 atm.
5. Cadmium (Cd) is a heavy.metal which has a leaching rate of about 0.0012 mg/L per year. Consider a lake
which has a volume of 2.25 x 10° L, and initially contains 0.002 kg of Pb. Determine the amount of Pb (in kg)
present in the lake after 5.0 years assuming that there is no evaporation of water from the lake's surface.
Transcribed Image Text:Useful conversion factors
1 tbsp = 14.79 mL
%3D
1 Pa = 1 N/m²
%3D
1 dyne = 1.0 × 10-5 N
1 m3 = 1000L
%3D
%3D
K = 273.15 + °C
%3D
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