<em>Answer:</em>
- At 60 centigrade, the kinetic energy of the substance will be greatest.
<em>Explanation:</em>
As we know, the kinetic energy of substance is directly proportional to Temperature.
The total Kinetic energy can be calculated as follow
K.E = 3/2 n.R.T
From the equations, it is cleared that Temperature is directly proportional to temperature.
Option A is the correct option.
In terms of the collision theory, increasing the concentration of a reactant increases in the number of collisions between the reacting species per second and therefore increases the reaction rate.
Answer:- A) glucose has covalent bonds.
Explanations:- Glucose is a molecule that has carbons, oxygen and hydrogen. All these are non metals and do sharing of electrons to gain their nearest noble gas configurations and so glucose has covalent bonds.
Table salt is NaCl. Na is a metal and Cl is a non metal so the bond formed between them is ionic.
Steel alloy has Iron and carbon and so it would have ionic and metallic bonding.
Iron oxide also has a Iron(metal) and oxygen(non metal) and so it has ionic bond.
So, the only and only correct choice is A) Glucose.
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Answer:
The higher temperature increases the reaction rate but it also favors the reverse reaction.
