Answer:
C.
Explanation:
The concetration can be found by dividing the water ph constant by the [H=] or [OH] to find the other
John Dalton performed an experiment showing that combining 40 grams of oxygen with 30 grams of carbon will form 70g carbon monox
1 answer:
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Explanation:
Sublimation is defined as a process in which solid state of a substance directly changes into vapor or gaseous state without undergoing liquid phase.
For example, naphthalene balls show sublimation at room temperature.
As this process does not cause any change in chemical composition of a substance. Hence, it is known as a physical process.
Similarly, when sublimes readily at
. This shows change in physical state of carbon dioxide is taking place, i.e, from solid to gaseous phase.
Thus, we can conclude that when sublimes readily at
then it means physical properties are usually associated with a compound that undergoes this kind of change.