Considere as seguintes afirmativas sobre dois elementos químicos genéricos x e y
.X tem número...
Chemistry, 26.05.2020 17:58 Angelofpink2590
Considere as seguintes afirmativas sobre dois elementos químicos genéricos x e y
.X tem número de massa igual a 40
X é isóbaro de Y
y tem número de elétrons igual a 20
Determine o número atômico e a distribuição eletrônica para o cátion bivalente (carga +2) de Y
Answers: 3
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A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml
Answers: 1
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How is the atomic number of a nucleus changed by alpha decay
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Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
Answers: 3
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