5. Given the formula of a substance:
2 answers:
Answer:
I think A
Explanation:
I think A and is the answer
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Answer:
uranium, caesium, potassium, beryllium,
Explanation:
B steam causes wheels to turn is correct
Explanation:
mass -2kg
energy -16j
2
k.e -1/2mv
2
16j= 1/2×2×V
2
16× 2/2 =V
2
16 = V
√16= V
V= 4m/s
Then
momentum=MV
=2×4
=8kgm/s
Put a thermometer in the water and wait until it boils. When it boils record the temperature and compare it to the normal water boiling point.
Answer:
4NH₃(g) +3O₂(g) ⇒2N₂(g) +6H₂O(g)
Explanation:
