(a)
Interpretation:
The potential difference across each of the resistors is to be stated.
Concept introduction:
The potential difference which is also known by various names like voltage or electric potential difference is defined as the difference in electric potential between two specific points in an electric circuit.
(b)
Interpretation:
The magnitude of each current is to be stated.
Concept introduction:
The current can be defined as the amount of electric charge flowing through a particular section per unit time. Current through an element is directly proportional to the potential difference across that element in the circuit.
(c)
Interpretation:
The power dissipated by the resistor
Concept introduction:
The phenomenon which results in the generation of heat as a part of the product due to friction or resistance is termed as power dissipation.
(d)
Interpretation:
The potential difference between point
Concept introduction:
Potential difference which is also known by various names like voltage or electric potential difference is basically defined as the difference in electric potential between two points.
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Chapter 2 Solutions
Principles of Instrumental Analysis
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- alt ons for Free Response Questions FRQ 1: 0/5 To spectrophotometrically determine the mass percent of cobalt in an ore containing cobalt and some inert materials, solutions with known [Co?) are prepared and absorbance of each of the solutions is measured at the wavelength of optimum absorbance. The data are used to create a calibration plot, shown below. 0.90- 0.80- 0.70 0.60 0.50 0.40- 0.30 0.20- 0.10- 0.00- 0.005 0.010 Concentration (M) 0.015 A 0.630 g sample of the ore is completely dissolved in concentrated HNO3(aq). The mixture is diluted with water to a final volume of 50.00 ml. Assume that all the cobalt in the ore sample is converted to Co2+(aq). a. What is the [Co2] in the solution if the absorbance of a sample of the solution is 0.74? 13 ✗ b. Calculate the number of moles of Co2+(aq) in the 50.00 mL solution. 0.008 mols Coarrow_forwardPlease correct answer and don't used hand raitingarrow_forwardCloso-boranes and arachno-boranes are structures that exhibit B-B, B-H-B, and B-H bonds. Correct?arrow_forward
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