Reactions cannot occur without a certain minimum amount of energy. What is this minimum amount of energy called? A.the activatio
n energy B.the activated complex C.the kinetic energy of reactants D. the potential energy of products
2 answers:
Answer:
The correct answer is option A.
Explanation:
Activation energy is defined as amount of energy given to a chemical system with which results in chemical reaction.Or minimum amount of energy required by the reactants to undergo a chemical reaction.
Activation complex is a state in a chemical reaction which attained at very high temperature. It is an intermediate state between reactant and product.
The kinetic energy of reactants is the energy due to motion of the reactant molecules.
The potential energy of products is the chemical energy possessed in the bonds of the product.
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Answer:
<u><em>Volume of NaOH, aka V2 = 6.32 mL to 3 sig. fig.</em></u>
A chemistry student weighs out 0.0941 g of hypochlorous acid (HClo) into a 250. ml. volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.2000 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Round your answer to 3 significant digits mL.
Explanation:
1 mole HClO = 74.44g
0.0941g = = 0.00126 moles
Concentration = no. of moles/volume in L
Hence, Concentration of HClO = 0.00126/ 0.250L
= 0.005M.
C1V1 =C2V2
0.005 × 250 mL = 0.2 × V2
<u><em>Volume of NaOH, aka V2 = 6.32 mL to 3 sig. fig.</em></u>