A solution has pH 7. Another solute is added to the solution and the pH changes to 6. What does this tell us about the concentration of hydrogen ions in the solution?
A) The hydrogen ion concentration decreased by a factor of 10
B) The hydrogen ion concentration decreased by a factor of 100
C) The hydrogen ion concentration increased by a factor of 10
D) The hydrogen ion concentration increased by a factor of 100
C
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Which of the following statements regarding the NFPA safety diamond is true?
a. The NFPA safety diamond tells you whether the fuel in a fire is paper, liquid, gas, or wood. b. The NFPA safety diamond must be displayed on any building or vehicle that contains hazardous materials. c. The number of NFPA safety diamonds on a vehicle indicates the toxicity of the hazardous material. d. The NFPA safety diamond identifies the known safety hazards of a given material.
There are several safety testing standards for properly evaluating "trapeze" harnesses.
Answer the following statement true (T) or false (F)
On a Class A prescription balance that is sensitive to 8 mg, what is the smallest quantity that can be weighted with a potential error of no more than 5 percent?_______________
What will be an ideal response?
When troubleshooting a Vital Signs, Inc, Hi-Fi large-volume nebulizer, you note the oxygen concentration to be too high. You should check:
I. the entrainment setting II. the oxygen flowmeter setting III. the tubing for obstructions IV. the fittings and connections for tightness A) I B) I and II C) I, II, and III D) I, II, III, and IV