chemistry
a)Branched polybutadiene b)Branched polybutadiene c)Linear polybutadiene
chemistry
same here... Strange...
chemistry
A) glass B B) glass A
Alan
I think all of the except E are correct. Any idea?
chemistry
Sorry I meant the last one
chemistry
It's E
Chemistry
it's number 5
chemistry
2 and 3
chemistry
1201
chemistry
Tantalum metal is produced by reaction of potassium heptafluorotantalate (K2TaF7) with elemental sodium (Na) in a reactor heated to 850oC. The by-products are potassium fluoride (KF) and sodium fluoride (NaF). The reactor is charged with 244.0 kg of K2TaF7 and 13.0 kg of Na. A...
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