Chemistry, 09.01.2022 14:00 helpmewithmath70
What do these two changes have in common?
photosynthesis
a piece of pear turning brown
Select all that apply.
Both are only physical changes.
Both are chemical changes.
Both are caused by heating.
Both are caused by cooling.
Answers: 1
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How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
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Answers: 1
What do these two changes have in common?
photosynthesis
a piece of pear turning brown
...
a piece of pear turning brown
...
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