Plants obtain nitrogen from the soil by taking up ________
A) soluble organic compounds
B) soluble anions
C) soluble cations
D) all of the above
E) none of the above
D
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Which of the following is true about partial molar properties?
A. When evaluating a partial molar property of a component in a mixture, you keep temperature, molar volume and the mole fraction of all but one of the components constant. B. The partial molar enthalpy of a component in a mixture is equal to the pure component molar enthalpy of that component (at the same T and P) if the system is modeled as an ideal solution. C. The partial molar entropy of a component in a mixture is equal to the pure component molar entropy of that component (at the same T and P) if the system is modeled as an ideal solution. D. The partial molar enthalpy of a component in a mixture is equal to the pure component molar enthalpy (at the same T and P) if the system is modeled as an ideal solution or an ideal gas. E. None of the above are true.
A sheave should be placed:
A. As close to the bearing as possible. B. Midway between the bearing and the end of the shaft. C. As far away from the bearing as possible. D. None of the above answers is correct.
The areas of floor spaces, roofs, and land are sometimes referred to as their footprint sizes since area is an expression of the space enclosed or covered.
Answer the following statement true (T) or false (F)
What are the minimum safety precautions to be taken in gassy operations?
What will be an ideal response?