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If one were going to make an extremely efficient humidifying device, one would want to consider which of the following?I. gas contact timeII. temperatureIII. cross areaIV. surface area

The solubility of KCl at 75oC is 51 g KCl in 100 g H2O.  If a solution contains 99.0 g KCl in 194 g H2O at 75oC, then it is

Which one of the following is a metalloid (or semi-metal)?

A patient in ER is in severe respiratory distress. The patient is a known COPD patient who is normally on home oxygen at 1 L/m. The patient is placed on a nasal cannula at 4 L/min. After 4 hours, the patient is lethargic and breathing slow and shallow. ABGs reveal a Ph of 7.25, PaCO2 of 70 and a PaO2 of 80 mmHg. The patient is most likely suffers from:

The name of HCN(aq) is

What is the density of carbon dioxide (CO2) at STP?

A patient has an oral endotracheal tube in place and is being mechanically ventilated. A respiratory therapy practitioner hears a gurgling sound coming from the patient’s mouth throughout the inspiratory phase of the ventilator. The practitioner should:

When the Lewis structure for PCl5 is drawn, the environment around the central P atom is

If a rectangular piece of metal foil measures 22.7 mm x 24.5 mm x 0.08 mm, what is the volume of this sample of metal? Express to correct number of significant figures.

At 760 mm Hg and 25oC, a gas sample has a volume of 2070 mL.  What is the final pressure (in mm Hg) at a volume of 1250 mL and a temperature of 100oC?