Answer:
D) saturated fat
Explanation:
Saturated fat -
It is a form of fat , where saturation is present , i.e. , presence of single bonds , it is a type of very unhealthy fat .
Butter , red meat , coconut oils and palm are rich in saturated fat , and are mostly in solid state at room temperature .
These fats often tends to be collected in the walls of arteries , and , can act as a restriction to the flow of blood .
Hence , the correct option for the given information of the question is saturated fat .
Answer:
The molecules absorb heat and acquire more kinetic energy.
Explanation:
In a solid, the solids only vibrate about their mean positions but do not translate. When energy is supplied to the molecule in the form of heat, the molecules vibrate faster. Eventually, they acquire sufficient energy to leave their mean positions and translate. Hence the solid crystal collapses.
When ice is heated, water molecules acquire sufficient kinetic energy to translate. The intermolecular bonds are gradually broken in the solid framework as heat is absorbed. The heat required for this is known as the latent heat of fusion.
The temperature remains constant until phase transition is over, then temperature rise resumes.
Urea Formaldehyde Foam Insulation is the thermal insulation material that is no longer used because of formaldehyde gas emission
Urea Formaldehyde Foam Insulation is mixture of urea formaldehyde resin, foaming acid agent, and a propellant used in the 1970s for insulating purposes.
It was specifically designed to insulate the areas of the building that were hard to access. Unlike regular process, it was sprayed into the walls by using holes.
It is no longer used because it caused a raise in the formaldehyde gas in the residence. This gas caused irritations to the people living in the building. Residents started to report health issues like respiratory problems, and eyes, nose, throat irritation.
If you need to learn about the formaldehyde gas, click here.
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Answer:
Another way to describe a reaction that gives out free energy is Spontaneous Reaction
Density = mass/volume
mass of metal =30.2 gram
volume of metal = 22.9-20 = 2.9mL
density = 30.2/2.9 =10.414 gram/mL
