Answer:
![Ka=\frac{[H^+][NO_2^-]}{[HNO_2]}](https://tex.z-dn.net/?f=Ka%3D%5Cfrac%7B%5BH%5E%2B%5D%5BNO_2%5E-%5D%7D%7B%5BHNO_2%5D%7D)
Explanation:
The reaction
The reaction of nitrous acid with water is a dissociation reaction of an acid:
The Ka equation
Answer:
Milk boils at about 212 F (100 c)
Explanation:
A physical property is a property in which a chemical change is not nessecary to undergo to know about.
Since all the other options require a chemical change to know, they are not physical properties.
The third option is a physical property because it does not require a chemical change to know.
7 ..... i think because in CH3 there would be 3 H atoms while in 2CH2 there would be four
The water cycle is a cycle that makes water go in the sky and back on ground again. It has 3 main processes which are Condensation: water droplets collect on a cold surface and combine with humid air, Evaporation: the process of a liquid turning into a gas, and Precipitation: The process of water falling from the sky like; rain, snow, sleet, and hail.
