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which property of rubbing alcohol is a chemical property
Which property of rubbing alcohol is a...
How much heat is needed to vaporize 225 g of rubbing alcohol C3H8O at its boiling...
How much heat is needed to vaporize 225 g of rubbing alcohol C3H8O at its boiling point? The enthalpy change of vaporization of rubbing alcohol = 0.664 kj/mol.
Which of the following are exothermic (give off heat)? (a) Rubbing alcohol evaporates from the skin....
Which of the following are exothermic (give off heat)? (a) Rubbing alcohol evaporates from the skin. (b) Fog forms over the Napa Valley. (c) Ice cubes solidfy in the freezer. (d) Liquid nitrogen boils at 77 K (its boiling point
Could you describe the differences of the chemical structures and solubility as well as boiling points...
Could you describe the differences of the chemical structures
and solubility as well as boiling points and why each one came out
sooner than the next? Thank you
Problem 3. Explaining a GLC Elution Order (6p). Below is a table of physical data for isopropanol, ethyl acetate and propyl acetate. Problem 3 Physical Constants Table Chemical Name Chemical Formula Chemical Structure Molar Mass (g/mol) Boiling Point (*) Density (g/ml) OH Isopropanol CH 0 60.1 82.5 0.786 H3C CHE Ethyl acetate...
I need the answers for this questions with explanation and please show the process of the...
I need the answers for this questions with explanation
and please show the process of the calculation.
1. Because density is a physical property of matter? 2. Is density an extensive or intensive property? 3. Which has less density, liquid water or ice?. Why? 4. Calculate the density of a metal object with a volume of 20.2 cm3 and a mass of 159 g. Say the type of material of the object if in a table we find the following...
Question 9 (1 point) When alcohol and water mix, there is no evidence of a chemical...
Question 9 (1 point) When alcohol and water mix, there is no evidence of a chemical reaction and the two liquids can be successfully combined in any ratio. Water has a boiling point of 100 °C and ethyl alcohol has boiling point of 79 °C. If equal amounts of water and alcohol are combined, what is the expected boiling point? (Outcome 6) 1) It will have two boiling points, 79 °C and 100 °C O 2) 79°C O 3) 100...
Substance 1: Physical description: This substance is a lustrous, gray substance. Chemical information: Observed melting point:...
Substance 1: Physical description: This substance is a lustrous, gray substance. Chemical information: Observed melting point: 2065-2070°C Observed boiling point: 2,972-2975 °C Estimated molar mass: 102 g/mol Density: 3.95 g/cm Solubility in water: Insoluble Other: This substance is a thermal conductor but an electrical insulator. This substance is very hard and abrasive. Spectroscopic information: There is no 'H or 13C NMR data for this substance. Sources:
Which of the following is con a. CH2CH(OH)CH3 b. CH2C(OH)(CHs)2 tained in rubbing alcohol? c. CH...
Which of the following is con a. CH2CH(OH)CH3 b. CH2C(OH)(CHs)2 tained in rubbing alcohol? c. CH CH2CH2OH d. CH2C(OH)(CH3)2 The IUPAC name of ethyl methyl ether is a. 1-methoxyethane b. ethoxymethane c. 2-methoxyethane d. 1-etoxymethape Select the correct IUPAC name of the following compound. c. methyl-3-methylpentyl ether d. 1-methoxy-3-methylbutane a. 3-methyl-1-methylbutane b. 1-methoxy-3-methylpentane Which of the following is a tertiary alcohol? a. CHs-CHOH CH3-CHH-CH2OH H3 d. Dehydration of an alcohol will produce a(n) a. alcohol Oxidation of a tertiary alcohol...
Question 6 What chemical and physical property are we manipulating to separate in a centrifuge? Solubility...
Question 6 What chemical and physical property are we manipulating to separate in a centrifuge? Solubility and Density Electronegativity and Color Boiling point and Odor None of the above pH and molar concentration Question 7 Which of the following is not a type of detector used in gas chromatography? Argon ionization detector Thermal conductivity detector UV visible spectrometric detector Electron capture detector None of the above
STRUCTURES OF ALKANES 1. Structures and Names of Alkanes Compound Complete Structural Formula Condensed Structural Formula...
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...
NGLES FOR ANY POLYGON-180 (N-2 IN- Name: Which of the follwing is used for chemical symbols...
NGLES FOR ANY POLYGON-180 (N-2 IN- Name: Which of the follwing is used for chemical symbols today? d. numbers 44. С. letters 一 a· drawings b. icons 45. The chemical formula of a compo and does NOT indicate the ー identity of the elements in the compound a. b. how elements are joined in the compound c. the composition of the compound d. relative proportions of the elements in the compound 46. Which substance has a chemical symbol that is...
Could you describe the differences of the chemical structures
and solubility as well as boiling points and why each one came out
sooner than the next? Thank you
Problem 3. Explaining a GLC Elution Order (6p). Below is a table of physical data for isopropanol, ethyl acetate and propyl acetate. Problem 3 Physical Constants Table Chemical Name Chemical Formula Chemical Structure Molar Mass (g/mol) Boiling Point (*) Density (g/ml) OH Isopropanol CH 0 60.1 82.5 0.786 H3C CHE Ethyl acetate...
I need the answers for this questions with explanation
and please show the process of the calculation.
1. Because density is a physical property of matter? 2. Is density an extensive or intensive property? 3. Which has less density, liquid water or ice?. Why? 4. Calculate the density of a metal object with a volume of 20.2 cm3 and a mass of 159 g. Say the type of material of the object if in a table we find the following...
Question 9 (1 point) When alcohol and water mix, there is no evidence of a chemical reaction and the two liquids can be successfully combined in any ratio. Water has a boiling point of 100 °C and ethyl alcohol has boiling point of 79 °C. If equal amounts of water and alcohol are combined, what is the expected boiling point? (Outcome 6) 1) It will have two boiling points, 79 °C and 100 °C O 2) 79°C O 3) 100...
Substance 1: Physical description: This substance is a lustrous, gray substance. Chemical information: Observed melting point: 2065-2070°C Observed boiling point: 2,972-2975 °C Estimated molar mass: 102 g/mol Density: 3.95 g/cm Solubility in water: Insoluble Other: This substance is a thermal conductor but an electrical insulator. This substance is very hard and abrasive. Spectroscopic information: There is no 'H or 13C NMR data for this substance. Sources:
Which of the following is con a. CH2CH(OH)CH3 b. CH2C(OH)(CHs)2 tained in rubbing alcohol? c. CH CH2CH2OH d. CH2C(OH)(CH3)2 The IUPAC name of ethyl methyl ether is a. 1-methoxyethane b. ethoxymethane c. 2-methoxyethane d. 1-etoxymethape Select the correct IUPAC name of the following compound. c. methyl-3-methylpentyl ether d. 1-methoxy-3-methylbutane a. 3-methyl-1-methylbutane b. 1-methoxy-3-methylpentane Which of the following is a tertiary alcohol? a. CHs-CHOH CH3-CHH-CH2OH H3 d. Dehydration of an alcohol will produce a(n) a. alcohol Oxidation of a tertiary alcohol...
Question 6 What chemical and physical property are we manipulating to separate in a centrifuge? Solubility and Density Electronegativity and Color Boiling point and Odor None of the above pH and molar concentration Question 7 Which of the following is not a type of detector used in gas chromatography? Argon ionization detector Thermal conductivity detector UV visible spectrometric detector Electron capture detector None of the above
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...
NGLES FOR ANY POLYGON-180 (N-2 IN- Name: Which of the follwing is used for chemical symbols today? d. numbers 44. С. letters 一 a· drawings b. icons 45. The chemical formula of a compo and does NOT indicate the ー identity of the elements in the compound a. b. how elements are joined in the compound c. the composition of the compound d. relative proportions of the elements in the compound 46. Which substance has a chemical symbol that is...
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