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
Alika [10]
3 years ago
9

Which of these describes an exothermic reaction?

Chemistry
2 answers:
solong [7]3 years ago
8 0

In Endothermic reactions, energy is absorbed.

GenaCL600 [577]3 years ago
6 0

Answer:

The answer is "Energy is released by the reaction"

Explanation:

I took the test Trust me

If you get it wrong please mark wrong...

You might be interested in
In an ecosystem, which of the following is NOT an abiotic factor
Oksana_A [137]
Algae is not an abiotic factor.

4 0
2 years ago
If ammonia were formed from dalton's simplest formula of one atom of each element, what would he have concluded about the relati
baherus [9]
He would have concluded that the order of operations would be different. This therefore would affect the periodic table's order. 
8 0
3 years ago
State two differences between metals and non metals with respect to their
Naya [18.7K]

Answer:

<u>Physical Properties</u>

1. Metals are shiny but most non - metals lack this property.

2. Metals are able to deform under compression (malleable) but most non - metals lack this property.

<u>Chemical Properties</u>

<u>1</u><u>.</u><u> </u><u>Metal</u><u>s</u><u> </u><u>are</u><u> </u><u>good</u><u> </u><u>conductors</u><u>of</u><u> </u><u>heat</u><u> </u><u>and</u><u> </u><u>electricity</u><u> </u><u>but</u><u> </u><u>most</u><u> </u><u>non</u><u> </u><u>-</u><u> </u><u>metals</u><u> </u><u>are</u><u> </u><u>insulators</u><u>.</u>

<u>2</u><u>.</u><u> </u><u>Metals</u><u>,</u><u> </u><u>when</u><u> </u><u>exposed</u><u> </u><u>to</u><u> </u><u>water</u><u> </u><u>atmospheric</u><u> </u><u>oxygen</u><u> </u><u>tend</u><u> </u><u>to</u><u> </u><u>rust</u><u> </u><u>but</u><u> </u><u>non</u><u> </u><u>-</u><u> </u><u>metals</u><u> </u><u>lack</u><u> </u><u>this</u><u> </u><u>chemical</u><u> </u><u>property</u>

7 0
3 years ago
How do you draw a bohr diagram for a boron ion?
Otrada [13]
Because Boron likes to lose 3 electrons when it undergoes ionization, we draw a boron ion like a helium atom, with just 2 electrons in the first shell, and 0 in the second

5 0
2 years ago
Read 2 more answers
“Gasoline boils at a relatively low temperature (about 150°C). The kerosene is removed at around 200°C, followed by diesel oil a
ANEK [815]
Well its Organic Chemistry... and is the Fractional Distillation of Crude Oil
3 0
3 years ago
Other questions:
  • HYDROGEN PEROXIDE WITH CONCENTRATION OF
    5·1 answer
  • The way metals surface reflects light is called
    7·2 answers
  • 25. Why does increasing concentration usually increase reaction rate?
    8·1 answer
  • CO(g) + 12 O2(g) → CO2(g)The combustion of carbon monoxide is represented by the equation above.(a) Determine the value of the s
    13·1 answer
  • Draw the major organic product of the regioselective reaction of 2-methyl-2-pentene with H2O in presence of H2SO4. You do not ha
    8·1 answer
  • In a face-centered cubic structure, every atom has twelve neighbors. which arrangement of balls serves as the best model for thi
    13·1 answer
  • 3. A chunk of wood measures 4 cm x 5 cm x 6 cm and has a mass of 84 g. What is
    7·1 answer
  • What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? A. 0.42 g B. 2.4 g C. 42 g D. 260 g
    8·1 answer
  • What is the molarity of a solution that contains 50.0g of NaOH (molar mass = 40 grams/mole) in 2.0L of solution?
    9·2 answers
  • At 3 atm of pressure, a cylinder with a movable piston contains 2000 ml of gas. If the pressure
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!