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
ad-work [718]
3 years ago
15

An exothermic reaction always _____.

Chemistry
1 answer:
masha68 [24]3 years ago
4 0
Releases heat
(Exothermic)
You might be interested in
What is necessary in order to build an ionic compound?
Mandarinka [93]

Answer:

idk what is the qution

Explanation:

6 0
3 years ago
Given the balanced equation representing a reaction occurring in an electrolytic cell:
Vikki [24]
The answer is (4) at the cathode, where reduction occurs. The Na+ gains one electron and become Na(l). So the reaction occurs at cathode and is reduction reaction.
4 0
3 years ago
Read 2 more answers
What are 5 renewable energy Resources and why are they better for the society and the environment
Ket [755]

Answer:

hydroelectric , hydrogen fuel cells , solar power , geothermal , wind power

Explanation:

all of these has little to no waste being produced and have little to no impact on the environment .

5 0
3 years ago
What is the purpose of finding oxidation states in the half-reaction method for balancing equations?
vazorg [7]

Answer:

B. To Identify the half reactions for the equation

4 0
3 years ago
You have a radioactive isotope with a mass of 400 grams. The sample has a half life of 5 days. How much is left after 25 days ha
Alexeev081 [22]

Answer:

Amount left after 25 days = 12.5 g

Explanation:

Given data:

Mass of sample = 400 g

Half life of sample = 5 days

Mass left after 25 days = ?

Solution:

First of all we will calculate the number of half lives passes in given time period.

Number of half lives = Time elapsed / Half life

Number of half lives = 25 days/ 5 days

Number of half lives = 5

At time zero = 400 g

At 1st half life = 400 g/2 = 200 g

At 2nd half life = 200 g/2 = 100 g

At 3rd half life = 100 g/2 = 50 g

At 4th half life = 50 g/2 = 25 g

At 5th half life = 25 g/2 = 12.5 g

4 0
3 years ago
Other questions:
  • Classify the following compounds as diatomic triatomic polyatomic molecules hc1 H2H O2 and NH3​
    6·1 answer
  • Match the terms to their definition.
    13·1 answer
  • How could you measure the average kinetic energy of a group of particles
    5·2 answers
  • A 38.4−g sample of ethylene glycol, a car radiator coolant, loses 852 J of heat. What was the initial temperature of the ethylen
    12·1 answer
  • Which statement is true with respect to the investigation? The student investigated only the physical properties of lead. The st
    12·2 answers
  • Help Asap plz Thx giving lots of points!!!
    7·1 answer
  • How many electrons does the Lewis structure for phosphorus trifluoride have?
    15·1 answer
  • In a first order reaction 40% of reactant gets converted into product in 30 minutes. What time would it require to convert 75% i
    11·1 answer
  • Why do atoms form Chemical Bonds ?​
    12·2 answers
  • The circumference of a circle is 31.4 centimeters. What is the circle's radius?<br> Use 3.14 for ​.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!