Chemistry, 18.05.2021 19:00 shongmadi77
Select ALL the TRUE statements about a metal crystal,
A Valence electrons stay with the cations.
B. Valence electrons form a "sea" that freely move around
C. The sea of electrons shield the cations when a metal is hammered thin, or pulled into wires, so the metal doesn't break easily
D. Whenever the negative charges in a metal get aligned, the metal breaks
Answers: 2
Chemistry, 21.06.2019 23:30
Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.
Answers: 2
Chemistry, 22.06.2019 13:30
Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.
Answers: 1
Chemistry, 22.06.2019 15:00
Answer explain why it is not possible to deduce a complete order of reactivity.
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Chemistry, 22.06.2019 15:30
A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas
Answers: 1
Select ALL the TRUE statements about a metal crystal,
A Valence electrons stay with the cations.
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