What is the formula of naphthalene?
C10H8
Naphthalene/Formula
Can you eat mothballs?
As little as one mothball can be toxic when swallowed. The chemicals can harm blood cells. Effects may not appear for up to five days after a mothball is eaten.
What is the enthalpy of formation of naphthalene?
The enthalpy of combustion and the enthalpy of formation of naphthalene were found to be 5320 ± 110 kJ/mole and 246 ± 115 kJ/mole, respectively. These results are compared from the values of 5160 kJ/mole and 83 kJ/mole reported by previous investigators.
What is the percent composition of naphthalene c10h8?
Percent composition by element
| Element | Symbol | Mass Percent |
|---|---|---|
| Hydrogen | H | 6.291% |
| Carbon | C | 93.709% |
Can I put mothballs in my room?
Mothballs should not be placed in closets, attics, basements, storage chests or trunks, garment bags or other spaces other than in tightly closed containers as explained above. Gasses from the mothballs escape into the air and can cause respiratory problems.
Is naphthalene an acid or base?
The three components of the mixture will react differently to sodium bicarbonate and sodium hydroxide because each of the bases’ conjugate acids has a different pKa. The pKa’s of benzoic acid and 2-naphthol are 4.17 and 9.5, respectively, while naphthalene is a neutral compound.
Do moth balls keep mice away?
Mothballs contain a small amount of naphthalene and can be a deterrent in large quantities, however, they aren’t powerful enough to get rid of mice and rodents. Using mothballs to deter rodents is more likely to make your home smell bad rather than get rid of mice or prevent mice from entering the home.
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.
What products contain naphthalene?
The major consumer products made from naphthalene are moth repellents, in the form of mothballs or crystals, and toilet deodorant blocks. It is also used for making dyes, resins, leather tanning agents, and the insecticide carbaryl.
What is the formula mass of KCl?
74.5513 g/mol
Potassium chloride/Molar mass
For example for KCl, (1 atom X 39.0983 Potassium) + (1 atom X 35.453 Chlorine) = (74.5513 g/mol) which is the molar mass for KCl.
Do moth balls melt in rain?
Answer: Either or will melt, cannot be in the rain or water, etc…
How is Ezekiel like all the other prophets?
Ezekiel, like all the other prophets, has beheld only a blurred reflection of the divine majesty, just as a poor mirror reflects objects only imperfectly.
When was the last recorded prophecy of Ezekiel?
On the basis of dates given in the Book of Ezekiel, his span of prophecies can be calculated to have occurred over the course of about 22 years. The last recorded prophecy of Ezekiel dates to April 570 BCE. Monument to Holocaust survivors at Yad Vashem in Jerusalem.
How old was Ezekiel when he was born?
If this is a reference to Ezekiel’s age at the time, he was born around 622 BCE, about the time of Josiah’s reforms. His “thirtieth year” is given as five years after the exile of Judah’s king Jehoiachin by the Babylonians.
Which is the correct order of the Book of Ezekiel?
THE RESTORATION. NOTES ON THE STRUCTURE OF THE BOOK OF EZEKIEL. For the Canonical order and place of the Prophets, see Ap. 1 and p. 1206. For the Chronological order of the Prophets, see Ap. 77. For the Inter-relation of the Prophetical Books, see Ap.