Answer:
C. the solid dissolves after it is added to the liquid
Explanation:
Why, you may ask? Because endothermic reactions absorb energy by undergoing change. And that solid, just absorbed energy.
When something melts, the molecules inside the substance receive more and more energy, until the substance's molecules have enough energy to vibrate and wiggle past each other, breaking their structure. if the solid is receiving more energy from its surroundings, aka the liquid, the reaction is in fact absorbing energy. And if a reaction is absorbing energy, it's an endothermic reaction.
<span>Climate is the general weather pattern of an area over many years.</span>
Given:
Sulfur dioxide and dihydrogen sulfide system
Vapor Pressure of water, H2O = 23 torr
P_SO2 = P_H2S
Temperature of the system = 298 K
Assume: Total pressure of the system is 1 atm = 760 torr
If partial pressure of SO2 is equal to the concentration of H2S, then,
760 = 0.5*PSO2 + 0.5PH2S
760 = PSO2
Answer:
n chemistry, we talk about the attraction between protons (+) in the nucleus to the ... Because electrons are negatively charged, they are attracted to nuclei, which are ... Reasoning: There are the same number of energy levels/shells, but there are ... more distance between outer electrons resulting in a weaker attraction
Explanation:
