Charcoal is a good absorbing agent due to its large surface area that can attract particles to its surface True, charcoal can attract particles that can pass through its pores True, the surface area of the charcoal makes it more exposed to the material to be absorbed False, charcoal does not have a large surface area False, the particles cannot be absorbed but will only stick to the surface of the charcoal

Charcoal is a good absorbing agent due to its large surface area that can attract particles to its surface True, charcoal can attract particles that can pass through its pores True, the surface area of the charcoal makes it more exposed to the material to be absorbed False, charcoal does not have a large surface area False, the particles cannot be absorbed but will only stick to the surface of the charcoal

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter8: Molecules And Materials

Section: Chapter Questions

Problem 8.71PAE

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gnment/takeCovalentActivity.do?locator=assignment-take Use the References to access important values if needed for this question. A prevailing pressure of one standard atmosphere will support a column of mercury 760 mm in height. Liquid isopropyl iodide has a density of 1.70 g/mL. The height of a column of isopropyl iodide that one standard atmosphere can support is mm. The density of liquid mercury is 13.6 g/mL. Submit Answer Retry Entire Group 9 more group attempts remaining
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Consider we have a silicate glass composition, this composition as shown below in percent by weight 15Na₂O +5K₂O + 2.5MgO +9.5 CaO +6 BaO + 5Al₂O3 +57 SiO₂. First, convert this composition to mole percent. Then classify each oxide added to the glass according to Sun's bond criteria. According to this classification, is this composition make glass or not? Min MO K Mg Ca Al Si Valance 1 1 2 2 2 3 4 Dissociation energy per MOX (in Kcal.) 120 115 222 257 260 402 424 Coordination Number 6 9 6 8 8 4 4 Molecular weight of oxides is shown below Oksitier (Molekil Agri): NajO (61.97), K,0 (94.18), MgO (40.31), CaO (56.08), Bao (153.33), ALO, (1015), 50, (60.08) Single Bond Strength (Kcal/mole) 20 13 37 32 33 101 106
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Consider we have a silicate glass composition, this composition as shown below in percent by weight 15Na₂O +5K₂O +2.5MgO +9.5 CaO +6 BaO + 5Al₂O3 +57 SiO₂- First, convert this composition to mole percent. Then classify each oxide added to the glass according to Sun's bond criteria. According to this classification, is this composition make glass or not? Min MO K Mg Ca Al Si Valance 1 1 2 2 2 3 4 Dissociation energy per MOX (in Kcal.) 120 115 222 257 260 402 424 Coordination Number 6 9 6 8 8 4 4 Molecular weight of oxides is shown below Oksitler (Molekül Agri): Na,O (61.97), KO (94.18), MgO (40.31), CaO (56.08), Bao (153.33), ALO, (10156), 50, (60.08) Single Bond Strength (Kcal/mole) 20 13 37 32 33 101 106
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