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
yarga [219]
3 years ago
7

Will Upvote!

Chemistry
2 answers:
Greeley [361]3 years ago
4 0
I would think energy has been transferred <span />
Degger [83]3 years ago
3 0

Answer:

B. Energy was transferred

Explanation:

All chemical and biochemical reactions release or absorb energy from the environment in some way. Every process of heat transfer between bodies, substances and the enviroment is also considered a process of energy transfer.

The processes that release heat are called exothermic and give us a feeling of warmth. This is the case, for example, with combustion.

On the other hand, the sensation of cold we feel when leaving a bath, or when we take an ice cube, is associated with endothermic processes. Such processes, like evaporation and fusion of water, for example, absorb heat from the environment and this can also be perceived by our body.

You might be interested in
Is acid rain exothermic or endothermic?
trasher [3.6K]

Answer:

in the presence of water, a strong acid will dissociate quickly and release heat, so it is an exothermic reaction.

Explanation:

7 0
3 years ago
Laura sees a horse pulling a buggy.
Tcecarenko [31]

Answer:

B

Explanation:

I think that the anserw is B.

4 0
2 years ago
What would be considered the reactant(s) in H2 + O2 &lt;-&gt; H2O
jeka94

Answer:

H2+ 02

Explanation:

becuase those 2 are at the beginning of the equation and in front of the equilibrium sign :)

6 0
4 years ago
How does the mass per nucleon of an element change as the atomic number increases?
alex41 [277]

Answer:

Explanation: So, the atomic number is the number of protons present in an atom. For example, Helium's atomic number is 2, meaning it only has 2 protons. In most cases, the number of nuetrons and protons are equal, so Helium (usually) has 2 protons and 2 nuetrons - this is the nucleus. The atomic mass, or mass per nucleon is the proton and nuetron added together, so the atomic mass of Helium is about 4. Therefore, on the periodic table, as the atomic number increases by 1, the atomic mass increases by about 2 (the atomic mass is an average so it's not exact).

8 0
2 years ago
Mendeleev's periodic table of elements was created in 1901.<br> O A. True<br> O B. False
LiRa [457]
B. False
It was created in 1869
3 0
4 years ago
Other questions:
  • 1 mole of no2(g) has a greater entropy than 1 mole of n2o4(g). true or false
    12·1 answer
  • Which energy transformation occurs after a sky diver reaches terminal velocity
    13·1 answer
  • For which of the following will the entropy of the system increase?
    7·1 answer
  • PLEASE I WILL PUT YOU AS BRAINLIEST, 20 POINTS
    9·2 answers
  • Students conducted an experiment to determine the relative reactivity of lithium,
    6·1 answer
  • (Si la masa de la roca es 150 g y su volumen es 25 ml, ¿cuál es la densidad de la roca? ​
    15·1 answer
  • Which is an example of a homoozygous genotype? (There can be more than one answer)
    13·1 answer
  • Use the periodic table to write the electron configuration of selenium (Se).
    6·2 answers
  • Which property is a physical property of matter?
    7·2 answers
  • Where do the electrons that are excited by the energy in sunlight first come from?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!