describe three different soil chemical or physical
properties that are affected by soil organic matter content. In
full detail explain how each soil characteristic is affected.
Are
the physical properties of a substance changed if that substance
undergoes a chemical change? Explain. Are the chemical properties
changed if the substance undergoes a physical change?
Explain.
State whether the following properties of a substance are
physical properties or chemical properties:
A. Substance boils at 1105 degrees Celsius.
B. Density of the substance at 20 degrees Celsius is
1.738g/cm³.
C. The substance burns in air. producing an intense white
light.
D. The substance reacts with chlorine to give a brittle white
solid.
E. The substance can be pounded into thin sheets or drawn into
wires.
F. The substance is a good conductor of electricity.
What are the physical and chemical properties of the following
oils:
- Almond oil
- Fish oil
- Coconut oil
- Palm Kernel oil
Please provide the website where you get your information. Thank
you.
A) What physical-chemical properties of a lipid bilayer allow it
to be an effective semipermeable barrier towards ions in
solution?
B) Would it be as effective a barrier towards hydrophobic
molecules?
C). Describe the basic structure of a:
• proteoglycan
• proteoglycan aggregate
• peptidoglycan
describe the important physical differences and a chemical
difference between each of the hydrogen compounds of the p-block
elements in period 2 and their counterparts in period 3