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
algol13
3 years ago
14

What evidence is there that energy is conserved?

Chemistry
1 answer:
Tems11 [23]3 years ago
5 0
The law of conservation 

Hope this helps

~ Jordan ~
You might be interested in
In the decomposition of water, why is twice as much hydrogen as oxygen formed?(1 point)
Ugo [173]

Answer:

1. Which statement correctly describes the classification of chemical reactions into different categories?

-Not all reactions fit into a category, and some reactions can fit into more than one category.

2. In a synthesis reaction, two atoms of sodium (Na) combine with one molecule of chlorine gas (Cl2) to produce sodium chloride (NaCl). How many molecules of sodium chloride are produced?

-Two

3. In the decomposition of water, why is twice as much hydrogen as oxygen formed?

- There are two atoms of hydrogen and one atom of oxygen in a water molecule.

4. Which component is transferred between substances in an oxygen-reduction reaction?

-Electrons

5. In a chemical reaction, substance A transfers electrons to substance B. Which statement is correct?

-Substance B is reduced and acts as the oxidizing agent.

5 0
2 years ago
What is the enthalpy in KJ of reaction for the initial combustion if the delta H for vaporization is 75.75 KJ and the net delta
Gnesinka [82]

Answer:

-775.75

Explanation:

4 0
3 years ago
Which of the following are considered pure substances?
Helen [10]
B.Elements

Explanation: they cannot be separated
8 0
3 years ago
Thermal energy is the ___ of the kinetic and potential energies of all particles in an object.
galina1969 [7]

Answer:

A.

Explanation:

I forgot butt im surely it is;-)

8 0
3 years ago
What 3 gases does the flame test check for and what should you expect to see/hear?
Kazeer [188]
What of the gasses is N and the flame changes it's color from Orange to blue
7 0
4 years ago
Other questions:
  • Transition metals tend to
    10·1 answer
  • Work and energy have the same unit why​
    10·2 answers
  • A car travelling at 50m/s produces a force of 200N. What is the power of the engine in kilowatts(KW).
    13·2 answers
  • How many electrons will calcium gain or lose in forming an ion
    13·1 answer
  • A 0.334 g sample of an unknown halogen occupies 109 mL at 398 K and 1.41 atm. What is the identity of the halogen?
    12·1 answer
  • Sodium (Na) and iodine gas (I2) react to form sodium iodine (NaI).
    7·1 answer
  • PH Range of 7.1-14<br> Is that acid or a base?
    8·1 answer
  • Which type of rection has the general formuial ab+cd
    10·2 answers
  • Select the correct answer from each drop-down menu.
    10·1 answer
  • Please I’m skipping math and Ela for this help
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!