Explanation:
Chemical reactions can occur very slow or very fast depending on the following conditions:
- If the reactants are in solid phase, less surface area is exposed and the process proceeds very slowly. The exposed surface area is directly proportional to the rate of chemical reactions.
- If the concentration of the reactants are low. For gaseous systems, low pressure can inhibit the progress of chemical reactions.
- If the reaction is taking place at low temperature.
- No presence of a catalyst.
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Answer:
It must be negative, for the reaction to be feasible.
explanation:
Answer:
Hydrochloric acid + sodium → sodium chloride + water
NaOH +HCl → H2O and NaCl
Explanation:
salt is a neutral ionic compound. Let's see how a neutralization reaction produces both water and a salt, using as an example the reaction between solutions of hydrochloric acid and sodium hydroxide. The overall equation for this reaction is: NaOH +HCl → H2O and NaCl.
Answer:
Both:
-They are both made up of cells embedded in an extracellular matrix. It is the nature of the matrix that defines the properties of these connective tissues.
Cartilage:
-Cartilage is thin, avascular, flexible and resistant to compressive forces.
-Cartilages are soft and flexible components present in ear, nose and joints.
Bone marrow:
-Bone is highly vascularised, and its calcified matrix makes it very strong.
-Bones are hard and tough which gives the structural framework of the skeleton in the body.
Answer:
pluto is considered a dwarf planet because it did not meet the three criteria the IAU uses to define a full sized planet
Explanation:
