HELP PLZZ!!!!!!!! Look at this equation: 2 H2 + O2 --> 2 H2O. Why isn't there any coefficient in front of oxygen?
2 answers:
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Answer:
3. C
4. D
Step-by-step explanation:
3.
Once
4.
A quadratic equation has no real roots when the discriminant () is negative.
.
Let's try all the equations:
(A)
(B)
(C)
(D)