Answer:
Would it be<em><u> 7.69 seconds</u></em>?
Explanation:
1. 2 H2 + O2 = 2 H2O
2. 6 K + B2O3 = 3 K2O + 2 B
3. 10 Na + 2 NaNO3 = 6 Na2O + N2
Answer:
Phase changes that require a loss in energy are condensation and freezing.
Explanation:
5480milligrams=5.47×10^1grams
5480×10^-2
5.480×10^(-2+3)
5.48×10^1grams
Answer:
Radio waves were first developed in WWII
Explanation:
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