TEOS is the abbreviation for the compound tetraethylorthosilicate and has the formula Si(OC2H5)4 . Which of the following, when computed, gives the correct molecular weight, in amu, for TEOS?
| A. |
28 + 16 + 12 + 5 |
|
| B. |
(28 + 16 + 12 + 5) × 4 |
|
| C. |
28 + (16 × 4) + (12×4) + (5×4) |
|
| D. |
28 + (4×16) + (12×2×4) + (5×4× |
TEOS is the abbreviation for the compound tetraethylorthosilicate and has the formula Si(OC2H5)4 . Which of...
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26) Which of the following is an empirical formula of a compound that is 52.15 percent C, 13.13 percent H, and 34.73 percent O? SHOW WORK 26) A) C4H1202 B) C2H6O C) CH602 D) C3H06 E) None of the answers is correct. 27) Calculate the formula mass of (NH4)3AsO4. A) 165.02 amu B) 156.96 amu C) 417.80 amu D) 108.96 amu E) 193.05 amu
STRUCTURES OF ALKANES
1. Structures and Names of Alkanes Compound Complete Structural Formula Condensed Structural Formula Methane Ethane Propane 2. Isomers of Alkanes Isomers of Butane (CH) Compound Complete Structural Formula Condensed Structural Formula Molecular Weight (g/mol) Boiling Point °C) Density (g/mL) Isomers of Pentane (CsHz) Compound Complete Structural Formula Condensed Structural Formula Molecular Weight (g/mol) Boiling Point/Melting Point (°C) Density (g/mL) 2. Compound Complete Structural Formula Condensed Structural Formula Molecular Weight (g/mol) Boiling Point/Melting Point (°C) Density (g/mL) Compound...
25. Find the empirical formula and molecular formula of a compound that has the following the chemical analysis of a sample: Br is 68.1%, H is 1.3%, and C is 30.6%. The molecular weight of the compound is 469.8 g/mol. (10 points)
Please give a structure which follows the following criteria.
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Compound C 1. Molecular Formula = C12H22 2. At least a. 5 secondary carbons b. 3 tertiary carbons c. 2 primary...
Organic Chemistry II Question 3: Compound B has the molecular formula of C6H10 and gives (CH3)2CHCH2CH2CH3 when treated with excess H2 in the presence of Pd. B reacts with NaNH2 and CH3I to form compound C that has the molecular formula C7H12. Give the structures for B and C.
please explain all answers!
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explain
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