"% Silica" is which of the following: a. the proportion of a SiO2 in the mineral...
"% Silica" is which of the following:
a. the proportion of a SiO2 in the mineral
b. the percent of Si in a mineral
c. the percent of sulfur in a mineral
d. the percent of sulfur plus iodine in a mineral
Homework Answers
ANSWER: a. the proportion of a SiO2 in the mineral is a correct answer because silica mean chemical compound in rocks or minerals, and in general % silica is refer to Proportion of sillicon oxide(SiO2) in a mineral.
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"% Silica" is which of the following:
a. the proportion of a SiO2 in the mineral...
Another name for SiO2 is a. Silicon b. Silica c. Silica gel CO2 and SiO2 look...
Another name for SiO2 is a. Silicon b. Silica c. Silica gel CO2 and SiO2 look similar but have very different chemical and physical properties. This is due to a. The Si-O bond is stronger than the C-O bond b. The C-O bond is ionic c. CO2 is a gas while SiO2 is a liquid The Si compound used as a drying agent is Silicon dioxide b. Silica gel c. Silicon a. Which statement about Sn is NOT true? Sn...
Which igneous rock or magma has the lowest silica (sio2) content? granite basalt andesite
Which igneous rock or magma has the lowest silica (sio2) content? granite basalt andesite
6. Which of the following oxide materials when added to fused silica (high purity amorphous SiO2) will increase its ind...
6. Which of the following oxide materials when added to fused silica (high purity amorphous SiO2) will increase its index of refraction: Al2O3. Tio, NiO, MgO? Why? You may find Table below helpful. (2 %) Table lonic Radii for Several Catins and Anions (for a Coordination Number of 6) onie adius onic adius Cation Br 0.053 0.196 0.136 0.100 Cl 0.181 Ca2+ F- 0.133 0.220 0.140 Cs+ 0.170 o2 S2 0.077 Fe3+ 0.069 0.184 0.138 0.072 0.067 0.102 Mn2+ Na+...
Which one of the following correctly depicts a mineral and its composition? Group of answer choices...
Which one of the following correctly depicts a mineral and its composition? Group of answer choices Diamond - D Quartz - SiO2 Calcite - CAlCO3 Gold - Go
1. Another name for SiO, is a. Silicon b. Silica c. Silica gel CO, and SiO,...
1. Another name for SiO, is a. Silicon b. Silica c. Silica gel CO, and SiO, look similar but have very different chemical and physical properties. This is due to a. The Si-O bond is stronger than the C-O bond b. The C-O bond is ionic c. CO2 is a gas while SiO, is a liquid The Si compound used as a drying agent is a. Silicon dioxide b. Silica gel c. Silicon 3. Which statement about Sn is NOT...
Problem 6: The energy band diagram for an ideal MOS-capacitor is shown below. tx 0.2 μm and Ep = E, at the Si-SiO2 interface. Assume no oxide charge and φ'm5-0. Answer the following. EpM Eps T...
Problem 6: The energy band diagram for an ideal MOS-capacitor is shown below. tx 0.2 μm and Ep = E, at the Si-SiO2 interface. Assume no oxide charge and φ'm5-0. Answer the following. EpM Eps Toz9ev 055ev a) What is the numerical value of the electron concentration at the Si-SiO2 interface? b) What is the substrate doping type and concentration? c) What is the electrostatic potential at the Si-SiO2 interface? d) What would be the depletion depth (width)? e) What...
22. Which of the following choices is/are ionic oxides? a. SrO b. SiO2 c. SO2 A)...
22. Which of the following choices is/are ionic oxides? a. SrO b. SiO2 c. SO2 A) I only B) II only C) III only D) I and II E) II and III
kindly answer the following thank you! 3. Since the surface of the silica gel on a...
kindly answer the following thank you!
3. Since the surface of the silica gel on a silica gel TLC plate is covered in SI-O-H groups, organic molecules that can hydrogen bond will be much more attracted to the silica gel surface. Given that which of the following compounds would have the lowest Rf value if each of these was analyzed using a slica gel TLC plate and dichloromethane as a solvent? OH 4. Determine the Rf values for the two...
37. Which of the following substances has bonding best described as ionic bonding? A) SiO2 B)...
37. Which of the following substances has bonding best described as ionic bonding? A) SiO2 B) NO2 C) S02 D) CO2 E) A1203 38. Which of the following compounds is likely to occur as a liquid at room temperature? A) CaF2 B) Mgo C) C3H12 D) FeCl3 E) LiF --* 39. Which of the following compounds is likely to occur as a solid at room temperature? A) CH4 B) SO2 C) N2 D) FeCl3 E) H20
6)Using the balanced equation: SiO2 + 6HF → H2SiF6 + 2H2O, if 40.0 g SiO2 and...
6)Using the balanced equation: SiO2 + 6HF → H2SiF6 + 2H2O, if 40.0 g SiO2 and 40.0 g HF react, determine: a) how many grams of H2SiF6 are produced, b) the limiting reactant, c) the excess reactant, d) the left over mass of your excess reactant e) the percent yield if 45.8 g H2SiF6 was produced in lab.
Another name for SiO2 is a. Silicon b. Silica c. Silica gel CO2 and SiO2 look similar but have very different chemical and physical properties. This is due to a. The Si-O bond is stronger than the C-O bond b. The C-O bond is ionic c. CO2 is a gas while SiO2 is a liquid The Si compound used as a drying agent is Silicon dioxide b. Silica gel c. Silicon a. Which statement about Sn is NOT true? Sn...
6. Which of the following oxide materials when added to fused silica (high purity amorphous SiO2) will increase its index of refraction: Al2O3. Tio, NiO, MgO? Why? You may find Table below helpful. (2 %) Table lonic Radii for Several Catins and Anions (for a Coordination Number of 6) onie adius onic adius Cation Br 0.053 0.196 0.136 0.100 Cl 0.181 Ca2+ F- 0.133 0.220 0.140 Cs+ 0.170 o2 S2 0.077 Fe3+ 0.069 0.184 0.138 0.072 0.067 0.102 Mn2+ Na+...
1. Another name for SiO, is a. Silicon b. Silica c. Silica gel CO, and SiO, look similar but have very different chemical and physical properties. This is due to a. The Si-O bond is stronger than the C-O bond b. The C-O bond is ionic c. CO2 is a gas while SiO, is a liquid The Si compound used as a drying agent is a. Silicon dioxide b. Silica gel c. Silicon 3. Which statement about Sn is NOT...
Problem 6: The energy band diagram for an ideal MOS-capacitor is shown below. tx 0.2 μm and Ep = E, at the Si-SiO2 interface. Assume no oxide charge and φ'm5-0. Answer the following. EpM Eps Toz9ev 055ev a) What is the numerical value of the electron concentration at the Si-SiO2 interface? b) What is the substrate doping type and concentration? c) What is the electrostatic potential at the Si-SiO2 interface? d) What would be the depletion depth (width)? e) What...
kindly answer the following thank you!
3. Since the surface of the silica gel on a silica gel TLC plate is covered in SI-O-H groups, organic molecules that can hydrogen bond will be much more attracted to the silica gel surface. Given that which of the following compounds would have the lowest Rf value if each of these was analyzed using a slica gel TLC plate and dichloromethane as a solvent? OH 4. Determine the Rf values for the two...
37. Which of the following substances has bonding best described as ionic bonding? A) SiO2 B) NO2 C) S02 D) CO2 E) A1203 38. Which of the following compounds is likely to occur as a liquid at room temperature? A) CaF2 B) Mgo C) C3H12 D) FeCl3 E) LiF --* 39. Which of the following compounds is likely to occur as a solid at room temperature? A) CH4 B) SO2 C) N2 D) FeCl3 E) H20
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