<h2>
Answer: 13985.4 g</h2>
Explanation:
Mass = volume × density
Mass = 652 cm³ × 21.45 g/cm³
= 13985.4 g
Explanation:
Answers:
Hydrogen bond is formed when positive end of one molecule attracted negative end of other molecule. The concept is similar to magnetic attraction where opposite poles attract each other.
Explanation:
While understanding hydrogen bond, two terms are important, one is electronegativity (tendency of atoms to attract electrons towards itself) and other is dipole (separation of positive and negative charge in a molecule). Hydrogen bond is always formed between hydrogen atom and other atoms having electronegativity different than hydrogen.
Differ from Ionic and Covalent Bonds:
Hydrogen bond is weaker than ionic and covalent bond. Ionic and covalent bonds are intramolecular (within the molecule) whereas hydrogen bond is intermolecular (between molecules).
Example:
Formation of hydrogen bonding in water.
It would be D Because the earth orbits the sun
Answer:
Lustrous
Explanation:
Metals are lustrous which gives them a property of having Shiny surfaces
When the volume and quantity of the gas are held constant, we can use the Gay-Lussac's Gas Law expressed as
P1/T1 = P2/T2
in which if the pressure of the gas decreases, we know that the temperature decreases.
We first convert the temperature to absolute temperature
T1 = 70 + 273 = 343 K
Rearranging the Gay-Lussac's equation to solve for the final temperature
T2 = P2T1 / P1
= (720 mmHg)(343 K) / 740 mmHg
= 334 K = 61ºC
