Explain the difference between active and passive solar energy systems
What will be an ideal response?
The active solar energy system uses more energy to power pumps and fans to move forward water and air throughout a home to make the system effective. Passive solar energy systems do not use pumps and fans, but are less efficient than active systems.
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Provide the approximate expression used in proportioning the dimensions of the treads and risers of a stair. What is the basis for this expression? List building codes' restrictions on the dimensions of treads and risers.
What will be an ideal response?
Which of the following statements is true?
A. The molar volume of mixing for an ideal gas is normally a positive value. B. While the molar volume of mixing can be a positive or negative quantity, the molar enthalpy of mixing must always be a positive quantity, according to the First Law of Thermodynamics. C. The ideal solution would be a reasonable model for the binary mixture of 1-butene and 1-butanol. D. According to the Gibbs phase rule, you can specify the temperature, pressure and composition independently for a binary vapor mixture. E. None of the above are true.
Match the following terms with the correct definitions
a. gradient d. gills b. crustaceans e. spawn c. harvest of energy through sun 1. lay eggs 2. photosynthesis 3. absorb oxygen 4. measurable change 5. aquatic organisms with exoskeletons
The first step in choosing an occupation is self-evaluation.
Answer the following statement true (T) or false (F)