The electrode of a ph meter is placed in a sample of urine
The electrode of a pH meter is placed in a sample of urine and a reading of 7.9 is obtained. Is the sample acidic basic, or neutral? What is the concentration of H3O+ in the urine sample?
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A 1000 turns wire are tighly wound on a toroid with a rectangular cross section, the heigh of toroid is 0.5 cm . The inner and outer radii of 2 cm and 3cm respectively. The current in the wire I=100 mA, Ur = 4000. N= 1000, Find H,B,phi and inducta
A 0.00445 mol sample of a weak acid, HY, is dissolved in enough water to form 0.0976 L of solution. If the pH of the solution is 4.02, what is the Ka of HY? Use E notation with 3 significant figures.
The cylindrical coaxial cable with the cross section shown below, has inner and outer radii of 5mm and 15mm respectively. The dielectric parameters are; er=2, signma=5*10^(-10) S/m and Ur=1.
Stage one-the analysis that includes systematic identification and consideration of the key aspects of the firm's environment and stage two-the synthesis of the key aspects into an understanding of the strategic opportunities and threats
you decide to make the font size large enough so that a person with 20/40 vision will be able to read the letters displayed on the screen with your slides with 95% accuracy from 20 m away. What is the minimum width of the displayed letter strokes
The cylindrical coaxial cable with the cross section shown below, has inner and outer radii of 5mm and 15mm respectively. The dielectric parameters are; er=2, signma=5*10^(-10) S/m and Ur=1
Based on the original objective function, would you recommend that they accept the offer? d. Assuming that Sydneyville purchases the 50 square feet of maple, how is the optimal solution affected?
A bowling ball is placed on a coil spring. The spring constant is 400N/m. When the bowling ball is placed on the spring, the spring compresses down 0.1m. If the spring is vertical how far will the bowling ball go
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