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
aleksandrvk [35]
2 years ago
9

A potential energy diagram is shown. What is the activation energy of this reaction?

Chemistry
2 answers:
andrezito [222]2 years ago
7 0

Answer: a. 50 kJ

Explanation: good luck

joja [24]2 years ago
6 0
50 KJ is the answer!
You might be interested in
when carbon dioxide is bubbled through lime water the solution first turn milky and to colour less . Explain why these changes o
Annette [7]

Answer:

When excess of carbon dioxide is passed in lime water, calcium carbonate is converted to calcium bicarbonate which is soluble, hence the milkiness due to calcium carbonate disappears.

Explanation:

Ca(OH)2+CO2 → CaCO3 (Milkiness) ↓+H2O

CaCO3+H2O+CO2 → Ca(HCO3)2 (soluble)

5 0
3 years ago
Which college classes would a student most likely take to become an oceanographer? Select 4 choices.
Setler [38]

Answer:

marine biology

coastal ecology

astronomy

meteorology

Explanation:

As a college student, to study oceanography one will have to take classes in the field of marine biology, coastal ecology, astronomy and meteorology.

An oceanographer is someone or a professional that studies the ocean in order have more scientific knowledge about them.

Oceanography is a merger of geology, biology, chemistry, physics as it pertains to the ocean.

  • There is no need to study human anatomy to study oceanography.
  • Marine biology and coastal ecology deals with study of life forms in their marine environment.
  • Astronomy and meteorology helps to gain insight about the formation of the ocean and how weather relates to the ocean.
5 0
3 years ago
What is a way of transforming energy by exerting a force over distance?
xz_007 [3.2K]

Answer:

a. Work

Explanation:

If you apply a force over a given distance - you have done work. Work = Change in Energy. If an object's kinetic energy or gravitational potential energy changes, then work is done. The force can act in the same direction of motion.

8 0
3 years ago
Read 2 more answers
1.
marin [14]
<span>Myoglobin, like most proteins, has a complex three dimensional structure that is formed from many twisted helices. There are more than one helix, and it does not look like beads on a straight piece of string. It is not branched.</span>
4 0
2 years ago
A compound of mercury and oxygen is heated in order to decompose the compound. A 4.08 grams sample of mercury oxide upon heating
arlik [135]

Answer:

HgO (empirical formula)

Explanation:

4.08 - 3.78 = 0.3g (oxygen)

(\frac{4.08}{201})   \:  \:  \:  (\frac{0.3}{16} )

0.02 : 0.02

0.02/0.02 : 0.02/0.02

1 : 1 (ratio)

HgO ( empirical formula)

2HgO ----> 2Hg + O2 ( your equation correct)

7 0
2 years ago
Other questions:
  • The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy . If the rate
    15·2 answers
  • 1.1 Outline a method for separating the chalk from potassium chloride,
    13·1 answer
  • 88. Molybdenum, Mo is an element used in missile and aircraft parts. How many unpaired electrons are in Mo? 02 x 3 = .6 mol Catt
    12·1 answer
  • An organism that makes its own food
    15·1 answer
  • All of these properties are for alkali metals except one
    12·1 answer
  • Which one allows you to obtain the most precise volume? Circle one.the first one on the right because it's too ee and also helps
    10·1 answer
  • I will give the first person brainliest! please helppp
    15·1 answer
  • HELP FAST PLZ!!!!!!!!!!!!!_____ energy from the outlet transfers energy to the light bulband
    15·2 answers
  • An electrolyte can be checked to ensure that it has correct chemical composition by measuring its _____.
    14·1 answer
  • What is the goal of the nifty home experiment
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!