Table of Contents
- 1 What is the i value of naphthalene?
- 2 What is the specific heat of naphthalene?
- 3 Is naphthalene poisonous to humans?
- 4 Is camphor and naphthalene same?
- 5 Is naphthalene a liquid?
- 6 How does naphthalene cause death in humans?
- 7 How to calculate the heat of combustion of naphthalene?
- 8 How to get the molecular weight of naphthalene?
What is the i value of naphthalene?
The standard enthalpy of sublimation of naphthalene has been determined calorimetrically at 298.15 K. The value obtained, (73.00 i 0.25) kJ mol-l is in agreement with the accepted value derived from vapour pressure measurements. 1.
What is the specific heat of naphthalene?
0.365 cal/g
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | 195.8 |
| Temperature (K) | 298.1 |
| Reference | Eibert, 1944 |
| Comment | |
|---|---|
| T = 30 to 200°C, equations only in t°C. Cp(c) = 0.365 cal/g*K (30 to 80°C); Cp(liq) = 0.329 + 0.000824t cal/g*K (80 to 200°C).; DH |
How do you calculate the heat of formation of naphthalene?
- 14.4 kcal. B.
- 17.4 kcal. C.
- 16.4 kcal. D.
- 15.4 kcal. Medium. Solution. Verified by Toppr. B.
- 17.4 kcal. Standard heat of formation of C10H8 = 10×heat of formation of CO2 + 4× heat of formation of water – heat of combustion of naphthalene. Heat of formation of C10H8 = 10∗(−94)+(−68. 4)−(1231) = 17. 4kcal.
What is the delta H of naphthalene?
The standard enthalpies of formation ΔH°f[naphthalene TCNQ(c), 298.15 K]=716.95±7.30 kJ/mol, ΔH°f [anthracene TCNQ(c), 298.15 K] =763.84±4.87 kJ/mol, and ΔH0f[TMPD(c), 298.15 K]=39.60±3.85 kJ/mol were measured by oxygen combustion calorimetry.
Is naphthalene poisonous to humans?
Acute (short- term) exposure of humans to naphthalene by inhalation, ingestion, and dermal contact is associated with hemolytic anemia, damage to the liver, and neurological damage. EPA has classified naphthalene as a Group C, possible human carcinogen.
Is camphor and naphthalene same?
As nouns the difference between camphor and naphthalene is that camphor is (organic compound) a white transparent waxy crystalline isoprenoid ketone, with a strong pungent odour, used in pharmacy while naphthalene is a white crystalline hydrocarbon manufactured from coal tar; used in mothballs.
What is the formula of naphthalene?
C10H8
Naphthalene/Formula
What is the freezing point of naphthalene?
80.26 °C
Naphthalene/Melting point
Is naphthalene a liquid?
Naphthalene (NAF-thuh-leen) is a white crystalline volatile solid with a characteristic odor often associated with mothballs. The compound sublimes (turns from a solid to a gas) slowly at room temperature, producing a vapor that is highly combustible.
How does naphthalene cause death in humans?
It is converted to 1-naphthol and 2-naphthol, which can be excreted though the kidney. When naphthalene is metabolized in the liver, oxidative stress induces massive hemolysis, resulting in hemolytic anemia, methemoglobinemia, hemoglobinuria, and jaundice.
What will happen if I eat naphthalene?
Naphthalene is a white solid substance with a strong smell. Poisoning from naphthalene destroys or changes red blood cells so they cannot carry oxygen. This can cause organ damage.
Is camphor good for skin?
Camphor for skin Lotions and creams containing camphor can be used to relieve skin irritation and itchiness and may help to improve the overall appearance of skin. It has antibacterial and antifungal properties that make it useful in healing infections.
How to calculate the heat of combustion of naphthalene?
Heat of combustion= 122.12 g mol−1 This gives -3228 kJ mol-1 /(4.184 kJ kcal-1 /122.12 g = 6.318 kcal/g The factor for the 1341 calorimeter with an 1108 Oxygen Combustion Vessel will usually fall within a range from 2410 to 2430 calories per degree Celsius, with the exact value for each installation to be determined by the user.
How to get the molecular weight of naphthalene?
Molecular weight: 128.1705 Download the identifier in a file. The 3d structure may be viewed using Java or Javascript .
How to calculate net heating value from gross calorific value?
We calculate the Net Calorific Value (often referred to as the Lower Heating Value, LHV) from the Gross Calorific Value and the elemental (ultimate) analysis of the sample. Click here to place an order for determining Gross Calorific Value.
What are the different names for naphthalene tar?
The 3d structure may be viewed using Java or Javascript . Other names: Albocarbon; Dezodorator; Moth flakes; Naphthalin; Naphthaline; Naphthene; Tar camphor; White tar; Camphor tar; Moth balls; Naftalen; NCI-C52904; Mighty 150; Mighty RD1; Rcra waste number U165; UN 1334; UN 2304; NSC 37565 Permanent link for this species.