1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Paul [167]
3 years ago
11

Look at the potential energy diagram for a chemical reaction.

Chemistry
1 answer:
vladimir1956 [14]3 years ago
8 0

Answer: The activation energy is 10 kJ and the reaction is exothermic.

Explanation: Exothermic reactions are those in which heat is released and thus the energy of products is less than the energy of reactants.

Endothermic reactions are those in which heat is absorbed and thus the energy of products is more than the energy of reactants.

Activation energy is the extra amount of energy required by the reactants to cross the energy barrier to convert to products.

Given : Energy of reactants = 40kJ

Energy of activation: (50-40)=10 kJ

Energy of products = 50 kJ

Energy of products = 15 kJ

Thus Energy of products (15kJ) < Energy of reactants(40kJ), the reaction is exothermic as energy has been lost to surroundings in the form of heat.

You might be interested in
Which group tends not to form ions or react?
Anastaziya [24]
Group 8 elements. They are unreactive and stable
3 0
3 years ago
15 POINTS!!
makkiz [27]
The cell walls are different, plant cells require more rigidity. that's all I know
4 0
3 years ago
Read 2 more answers
Calculate the percentage of all elements in Fel(OH)3
Vsevolod [243]

Answer: 30.06% is your answer.

I hope this helps.

Stay safe and have a good day :D

7 0
3 years ago
What product(s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?
fenix001 [56]
Catod(-)
K⁺
2H20 +2e⁻ ---> H2 +2OH⁻

We can also say, that
K⁺ +OH⁻ +H2  = KOH +H2   
At the cathode KOH and H2 are formed.
8 0
3 years ago
What instruments can be used to measure volumes of liquids?
TiliK225 [7]
Graduated cylinders or beakers. 
8 0
3 years ago
Read 2 more answers
Other questions:
  • A weight of 100 pounds moved a distance of 12 feet equals 120 240 1200 ft.-lbs. of work.
    8·1 answer
  • Which yields H+(aq) as the only positive ion in an aqueous solution?(1) CH3CHO (2) CH3CH2OH (3) CH3COOH (4) CH3OCH3
    8·2 answers
  • Why is feo named using a roman numeral, iron (ii) oxide, whereas cao named without a roman numeral, calcium oxide?
    11·1 answer
  • PLEASe help I will count you brainless please :) what element is this?
    8·1 answer
  • By definition 12 grams of carbon-12 must contain how many atoms?
    11·1 answer
  • Identify which redox reactions occur spontaneously in the forward direction. Check all that apply.
    5·1 answer
  • Which isotope has the greatest number of protons?
    6·1 answer
  • What is the purpose of continuing to heat a substance after it reaches a temperature plateau?
    5·1 answer
  • Do you think the video game "Minecraft" will ever die?
    8·2 answers
  • The formula for a lutetium carbonate compound is Lu2(CO3)3. What would be the formula for a lutetium nitrate compound given that
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!