Blood flowing into and out your heart makes your pulse
Answer:
I also have this question but see the 69 page of ur question book
Answer:
B. double-replacement RXN
Explanation:
more specifically, this is a precipitation rxn.
Answer:
A
Explanation:
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I'm taking this lesson now, so imma help u ( if u need anything else ask me)
so given Molar mass= 32 g/mol
molar mass= (empirical formula) n
32 = (14x1 + 2x1) n
32 = 16 n , so n= 2
so, molecular formula= N2H4