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
ikadub [295]
3 years ago
5

When most chemical reactions take place, some ____ in the reactants must be broken, a process that requires energy.

Physics
2 answers:
kifflom [539]3 years ago
7 0
I know it’s compounds
BabaBlast [244]3 years ago
6 0

Answer:

compound I believe number 1

You might be interested in
Batman chased the joker on his batbike for 20 minutes, traveling at the speed of 30 kilometers per minute. How far did Batman go
AURORKA [14]

Answer:

123 kilometer

Explanation:

none

8 0
3 years ago
16. The energy absorbed in 10minutes by an electrical heater is 1.5 MJ. The supply voltage is 240 V. calculate: a) The current d
dsp73

Answer:

If by 1.5 MJ you mean 1.5E6 Joules then

W = P t    = power X time

W / t = P   power

P = 1.5E6 J / 600 sec = 2500 J / s

P = I V

a) I = 2500 J/s / (240 J/c) = 10.4 C / sec  = 10.4 amps

b) Q = I t = 10.4 C / sec * 300 sec = 3120 Coulombs

c)  E = P * t = 2500 J / sec * 100 hr * 3600 sec / hr = 9.0E8 Joules

5 0
3 years ago
Imagine that two balls, a basketball and a much larger exercise ball, are dropped from a parking garage. If both the mass and ra
pashok25 [27]

Here if we assume that there is no air friction on both balls then we can say

F = mg

now the acceleration is given as

F = ma = mg

a = g

so here both the balls will have same acceleration irrespective of size and mass

so we can say that to find out the time of fall of ball we can use

y = \frac{1}{2}gt^2

t = \sqrt{\frac{2y}{g}}

now from above equation we can say that time taken to hit the ground will be same for both balls and it is irrespective of its mass and size

3 0
4 years ago
One mole of an ideal gas expands isothermally from 0.01 m3 to 0.05 m3. The final pressure of gas is 1.2 atm. [15 Marks] determin
erik [133]

Answer:

Initial pressure = 6 atm. Work = 0.144 J

Explanation:

You need to know the equation P1*V1=P2*V2, where P1 is the initial pressure, V1 is the initial volume, and P2 and V2 are the final pressure and volume respectively. So you can rearrange the terms and find that (1.2*0.05)/(0.01) = initial pressure = 6 atm. The work done by the system can be obtained calculating the are under the curve, so it is 0.144J

4 0
3 years ago
Which of the following statements is the best definition of climate?
noname [10]
Climate is a particular place's distance from the equator
4 0
3 years ago
Other questions:
  • What is the acceleration due to gravity near the surface of earth
    12·2 answers
  • A student does an experiment with a pendulum. In the first trial, she displaces the pendulum 5 cm. In the second trial, she disp
    14·2 answers
  • Calculate the kinetic energy of a 4kg cat running 5m/s
    12·1 answer
  • HELP ME PLZ!!! Two lifeguards pull on ropes attached to a
    12·1 answer
  • 1) The current in a light bulb is 0.335 Amps. How long does it take for a total charge of 2.76 C to
    12·1 answer
  • On a typical clear day, the atmospheric electric field points downward and has a magnitude of approximately 103 N/C. Compare the
    9·1 answer
  • 11)
    7·1 answer
  • The illustration shows a rollercoaster and indicates four different positions the car might be at as it moves along the track. A
    15·1 answer
  • 19. a) Name the type of Joint present in i) Neck ii) Shoulder b) Which of the skull bones are movable ?​
    14·1 answer
  • Q2. A certain machine is used to lift a load of 500N when an effort of 50N is applied to the machine the load is raised by 10m a
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!