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
madreJ [45]
3 years ago
15

Explain the law of conservation of energy.

Chemistry
2 answers:
frosja888 [35]3 years ago
8 0

Answer:

Energy cannot be destroyed or created but can be transformed from one form to another

Ulleksa [173]3 years ago
6 0
<h2>Energy is conserved. It never appears or disappears. It just changes from one kind of type to another. The Universe contains the same amount of energy it started with. This amount can never change.</h2><h2></h2>

You might be interested in
Which is the following is a decomposition reaction
lora16 [44]

The equation that is a decomposition reaction is

PbCO3(s) ---> PbO(s) + CO2(g)

That is option D.

<h3>Properties of a decomposition reaction</h3>

A chemical reaction is defined as the combination of substances called reactants to form a product. The various types of chemical reaction include:

  • synthesis reaction

  • combustion reaction

  • decomposition reaction

  • single or double replacement reaction

Decomposition reaction is that type of chemical reaction in which the reactant breaks down to form two or more products.

Therefore the heating of lead (II) carbonate is a decomposition reaction.

Learn more about decomposition reaction here:

brainly.com/question/15229375

5 0
2 years ago
Attempt 4 A galvanic cell has an X electrode with X 2 plus ions in the left beaker and a Y electrode with Y 2 plus ions in the r
babymother [125]

Answer:

See explaination

Explanation:

Since X is more reactive than Y

=> X is oxidized to X2+ and Y2+ is reduced to Y

Overall cell reaction is:

X(s) + Y2+(aq) => X2+(aq) + Y(s)

please kindly see attachment for further solution.

4 0
3 years ago
What is"An Elephant's Excellent trunk"mostly about?
mr_godi [17]
Mostly about what it can do with its trunk! also about how strong it is or evan how long! love to help!
contact me if you need more info
-luna
3 0
3 years ago
Read 2 more answers
Số hợp chất tố đa của nguyên tố này với nguyên tố khác theo hóa trị của nó
SVETLANKA909090 [29]

Answer:

Carbon

Explanation:

Carbon

5 0
3 years ago
3.) All matter has both physical and chemical properties. A physical property is one that does not change the chemical nature of
dexar [7]

Answer:

D

Explanation:

It would be D because you are observing the reaction and don’t change anything

8 0
3 years ago
Other questions:
  • Which of the following is a substance that is found between the cell membrane and the nuclear us which primarily consist of wate
    15·1 answer
  • A cucumber is placed in a concentrated salt solution. What will most likely happen? Select one: a. Water will flow from the cucu
    15·2 answers
  • Use the chart to determine which atom in the carbon–chlorine bond is assigned the delta negative charge. carbon atom chlorine at
    10·2 answers
  • Jasmine is a cook, and she wants to buy new equipment. She is presented with dishes made of copper, clay, plastic, and glass. Sh
    13·1 answer
  • For the equilibrium reaction 2NH3(g) + 22 kJ ↔ N2(g) + 3H2(g), which of the following changes would result in the formation of m
    14·1 answer
  • ANYONE KNOW CHEMISTRY.............................,..
    12·1 answer
  • Saturated aqueous sodium chloride(d=1.2g/mL) is added to the following mixtures in order to dry the organic layer. Which layer i
    5·1 answer
  • For a beryllium-gold voltaic cell containing Be2+(aq) and Au3+(aq) solutions, do the following. (a) Identify the cathode. (Inclu
    13·1 answer
  • Mono atomic molecules contain two atoms per molecule​
    11·1 answer
  • Which molecule has the same empirical formula as molecular formula?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!