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
JulijaS [17]
2 years ago
12

HELP!!!! Will mark give 5 stars and thank!! Please!

Chemistry
1 answer:
Aloiza [94]2 years ago
7 0

Answer:

An endothermic reaction is a reaction where heat is taken in from the surroundings. This could be in the process of vaporisation from liquid to gas. However an exothermic reaction is when heat is given out to the surroundings. An example of this would be condensation gas to liquid!

Explanation:

You might be interested in
How do isobars help meteorologists predict weather?
asambeis [7]
The answer will be (B)
7 0
3 years ago
Read 2 more answers
What is hydrogen bonding
yKpoI14uk [10]

Answer:

a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.

Explanation:

For example, in water molecules (H2O), hydrogen is covalently bonded to the more electronegative oxygen atom. Therefore, hydrogen bonding arises in water molecules due to the dipole-dipole interactions between the hydrogen atom of one water molecule and the oxygen atom of another H2O molecule.

4 0
3 years ago
Between reaction of magnesium powder and lead oxide which is oxidized in the reaction and which is oxidizing agent
GuDViN [60]

Answer:

Mg is oxidized and Pb is the oxidizing agent

Explanation:

7 0
3 years ago
What's the answer to number 5? I need the answer quickly please
Anton [14]
That's because <span>the specific heat capacity of water is higher than specific heat capacity of iron, meaning that the water would need to lose more heat energy to drop its temperature.</span>
4 0
4 years ago
Qual é a etapa onde ocorre a adição de cloro para eliminação de microorganismos patogênicos? AULA DE CIÊNCIAS 6° ano
-BARSIC- [3]

Answer:

A desinfecção

Explanation:

A desinfecção é o processo no qual o cloro é adicionado para matar microorganismos patogênicos prejudiciais, como bactérias, vírus, etc. Este é um processo químico e biológico. alguns desinfetantes comuns são cloro, dióxido de cloro e ozônio.

6 0
3 years ago
Other questions:
  • Elements in a group have the same number of valence electrons and the same ____
    10·1 answer
  • The group that shows the effect of the variable being tested is called the
    8·2 answers
  • If the following reaction is carried out with 50.0g of Na2S and 35.0g of AgNO3, which is the limiting reactant?
    10·1 answer
  • Which group was fighting communists in Nicaragua in the 1980s?
    13·1 answer
  • What is the colour of feso4.7h2o crystals
    15·1 answer
  • Not related to any subject but how do you tell someone you like them?
    8·1 answer
  • What is the silver ion concentration in a solution prepared by mixing 425 mL 0.397 M silver nitrate with 427 mL 0.459 M sodium p
    6·1 answer
  • What is the name for a triangle-shaped deposit of sand and soil at the mouth of some rivers
    8·1 answer
  • Plz helpppp
    10·2 answers
  • Write a scientific explanation of conduction.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!