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【单选题】
男，60岁，煤气中毒一天后来院，深昏迷，休克、尿少、血COHb60％，拟诊“急性一氧化碳中毒” 护土迅速判断病人的病情属于（ ）。A.
轻度中毒
B.
中度中毒
C.
重度中毒
D.
极重度中毒
E.
中毒性脑炎
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皮皮学刷刷变学霸
举一反三
【简答题】The so-called Lyman series of lines in the emission spectrum of hydrogen corresponds to transitions from various excited states to the n = 1 orbit. Calculate the wavelength of the lowest-energy line i...
【单选题】The pH inside endosomes is about 5.0, and the pH in the cytosol is about 7.0. Calculate the amount of free energy needed to maintain this acidity difference at 37°C. Ignore the effects of the transmem...
A.
10.9 kJ/mol
B.
11.9 kJ/mol
C.
12.9 kJ/mol
D.
13.9 kJ/mol
【单选题】Which process could be used to calculate the bond energy for the covalent bond X-Y by dividing its ∆H by n?
A.
XYn(g) → X(g) + nY(g)
B.
2XYn (g) → 2XYn-1(g) + Y2(g)
C.
Y(g) + XYn-1(g) → XYn(g)
D.
nXY(g) → nX(g) + 2n Y2(g)
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