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
ollegr [7]
2 years ago
12

The energy change in an endothermic reaction is: A. Internal B. External C. Negative D. Positive

Physics
1 answer:
77julia77 [94]2 years ago
4 0

Answer:

Positive

Explanation:

In an endothermic reaction, the products are at a higher energy than the reactants. This means that the enthalpy change of the reaction (∆H) is positive

You might be interested in
How many planets are made up of gas
Vadim26 [7]

Answer:

The four gas giants in our solar system are Neptune, Uranus, Saturn, and Jupiter. These are also called the Jovian planets. "Jovian planet" refers to the Roman god Jupiter and was intended to indicate that all of these planets were similar to Jupiter.

Explanation:

i hope this helps

7 0
2 years ago
How much time does it take the cheetah to travel 500 meters, if its average speed is 70 meters per second?
Anettt [7]

l=500m

speed=70m/s

t=?

t=500/70=7.14s

7 0
3 years ago
how long will it take an object to move 100 meters if the object is traveling with an average speed of 2.0 meters per second
sasho [114]

Hmm lemme think i dont know Hmmmmmm


6 0
2 years ago
At which point does the planet have the least gravitational force acting on it?
Elza [17]

Answer:

At which point does the planet have the least gravitational force acting on it?

Explanation:

In an elliptical orbit, when a planet is at its furthest point from the Sun, it is under the least amount of gravity, meaning that the force of gravity is strongest when it is closest.

5 0
2 years ago
Read 2 more answers
Magnet A doesn't have its poles labeled, but Magnet B has a clearly labeled north and south pole. If the
dusya [7]

Answer:

D:   The side of Magnet A that's attracted to Magnet B's south pole must be Magnet A's north pole

Explanation:

D:  The side of Magnet A that's attracted to Magnet B's south pole must be Magnet A's north pole because

1) opposite poles attract each other

2) similar poles repel each other

3)magnetic lines of force start at the north pole and end at the south pole

4 0
2 years ago
Read 2 more answers
Other questions:
  • A ball is thrown with a speed of 20 m/s at an angle of 40o above the horizontal from the top of a 22-m tall building.
    10·1 answer
  • A sailboat moves north for a distance of 10.00 km when blown by a wind 30° east of south with a force of 5.00 × 104 N. How much
    12·1 answer
  • Question 10 of 10
    8·1 answer
  • A cube that is 20 nanometer on an edge contains 399,500 silicon atoms, and each silicon atom has 14 electrons and 14 protons. In
    5·1 answer
  • A seed can be round when parents are crossed, scientists refer to the first generation of offspring as
    8·1 answer
  • Myopia is a condition of the eye where the crystalline lens focuses the light rays to a position between the lens and the retina
    8·1 answer
  • Why do animals float when they die​
    13·1 answer
  • Obama company has identified that bill clintonâs receivable account of $100 is uncollectible. What is the journal entry needed t
    12·1 answer
  • A ship's fathometer (an echo sounder) transmits a sound pulse and records the return of an echo 7.4 seconds later. If the speed
    11·1 answer
  • Chen is testing the friction of three surfaces. he pushes the same ball across three different surfaces with the same force and
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!