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
gizmo_the_mogwai [7]
3 years ago
5

There are two types of physical changes and chemical reactions- endothermic and exothermic. On the diagram below, which picture

(A or B) is endothermic and which picture (A or B) is exothermic? Be sure to explain your reasoning for both.

Chemistry
2 answers:
Ulleksa [173]3 years ago
8 0

Answer:

In ice cube heat is taken in absorbed it's an endothermic reaction

In fire heat is given out it is an exothermic reaction

Explanation:

Wanna give you one advice

Exit of heat means exothermic and you can memorize it by

The first word of both word exit ;exo

Hope it helps you

Agata [3.3K]3 years ago
6 0

Answer:

it is b because its releases heat in to all directions and not b because it staying inside and not releasing anything :)

Explanation:

You might be interested in
Are scientific theories all proven facts?
SSSSS [86.1K]
No! That’s why they’re called theories. Most of them have a lot of facts to back it up however the theories themselves are either proven or just hypothetical.
8 0
2 years ago
Read 2 more answers
If the pressure on a gas is decreased by one-half, how large will the volume change be?
Jet001 [13]

Answer:

It will double in size

Explanation:

i hope its correct

3 0
3 years ago
What is the mass of one mole of nitrogen atoms?
OLEGan [10]

Answer:

28.0

Explanation:

4 0
3 years ago
Read 2 more answers
A 3" diameter germanium wafer that is 0.020" thick at 300K has 3.419*10^17 As atoms added to it. What is the resistivity of the
earnstyle [38]
They temperature in my room is 57 degrees
5 0
3 years ago
The atoms, molecules, or compounds present at the start of a chemical reaction that participate in the reaction.
Art [367]
For the first one the answer is B. and the second one is D.
4 0
3 years ago
Read 2 more answers
Other questions:
  • calculate the water potential of a solution of 0.15m sucrose. the solution is at standard temperature.
    7·1 answer
  • What is an element considered a pure substance?
    13·1 answer
  • Magnesium phosphate is used as a dental polishing agent. how many moles of ions (cations and anions together) are in 1 mole of m
    6·1 answer
  • What is the total value of a small digit in 94257<br>​
    13·2 answers
  • Be sure to answer all parts. Calculate the pH during the titration of 30.00 mL of 0.1000 M KOH with 0.1000 M HBr solution after
    10·1 answer
  • Give reasons. Alkali metals are more reactive than alkaline earth metals<br>​
    11·1 answer
  • The corn crop in an area is prone to infestation by larvae from moths that feed on the cornstalks and ears of corn. The techniqu
    7·2 answers
  • A chemical reaction takes place in a closed system. The mass of the reactants before the reaction was grams. What must the mass
    14·1 answer
  • How many unbonded pairs of electrons are found on the alanine molecule
    14·1 answer
  • A 50.0 mL sample of 12.0 M HCl is diluted to 200 mL. What is true about the diluted solution?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!