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
Dennis_Churaev [7]
3 years ago
9

A + B = C + D + heat

Chemistry
1 answer:
Marrrta [24]3 years ago
4 0
The reaction is an exothermic one because heat is released to the surroundings. An exothermic reaction is a chemical reaction where energy is being released as the reaction by light or heat. On the other hand, endothermic reaction needs energy input for the reaction to proceed.
You might be interested in
An atom has the following electron configuration.
Wewaii [24]

Answer: 5

Explanation: add up all the electrons and it will amount to 23. Arranging by the old model for electronic configuration, we have : 2, 8, 8, 5

The last number being 5 represent its valence electron

3 0
3 years ago
Read 2 more answers
Which state of matter requires special conditions to form and is affected by electric and magnetic fields
amid [387]

Answer:

The uniqueness of the plasma state is due to the importance of electric and magnetic forces that act on a plasma in addition to such forces as gravity that affect all forms of matter.

Explanation:

3 0
2 years ago
Which of the following can be characterized as a physical change?
Taya2010 [7]

Answer:

D. Sweat evaporates from your skin

Explanation:

A physical change is a reversible process, no new substance is formed. A physical change does not affect the chemical composition of a substance.

Sweat evaporation from the skin is a physical change, because the change that occur is merely a change of state, Liquid to Gaseous state, no new substance is formed.

7 0
3 years ago
Assuming the reaction is first order in sucrose, determine the mass of sucrose that is hydrolyzed when 2.75 L of a 0.130 M sucro
Advocard [28]

Answer:125.84g

Explanation:Sucrose is dissacharides an organic compound in the class of carbonhydrate with the chemical formula C11H22O11.molar concentration is given by number of moles/Volume,this implies that moles=molar concentration ×Volume=0.130M×2.75L=0.3575moles.

Furthermore,number of moles=Mass of Sucrose/molecular Mass of Sucrose.

From it's formular C11H22O11, molecular Mass is the addition of the mass number which is 12 for C,2 for H and 16 for oxygen,O.so molecular Mass of Sucrose is (12×11)+(2×22)+(16×11)=352.

So mass =moles ×molecular mass=0.3575moles×352g/moles=125.84g

3 0
3 years ago
Why does water conduct electricity but only very poorly
e-lub [12.9K]

Answer:

actually pure water doesnt conduct electricity, any salts or impurities dissolved in water enable it to conduct electricity, When salts are dissolved in water, they separate into different electrically charged atoms called ions. Sodium chloride (NaCl), breaks up into positive Na ions and negative Cl ions.

5 0
3 years ago
Read 2 more answers
Other questions:
  • A solution is prepared by dissolving 10.0 g of NaBr and 10.0 g of Na2SO4 in water to make a 100.0 mL solution. This solution is
    6·1 answer
  • How many moles of carbon in 130g of C2H6
    7·2 answers
  • Which of the following is an advantage of using biopower?
    15·2 answers
  • Which of the following apply to gases. Select all that apply.
    10·1 answer
  • Calculate the concentration of OH- in a solution that contains 3.9 x 10-4 M H3O+ at 25°C. Identify the solution as acidic, basic
    8·1 answer
  • Magnesium has 2 valence electrons, and oxygen has 6 valence electrons. Which type of bonding is likely to occur between a magnes
    8·2 answers
  • When the caraway seed oil is heated, which of the two components will most likely distill first?
    5·2 answers
  • During vaporization, a substance changes from a liquid to a(n) blank. (fill in the blank)
    8·1 answer
  • How can people conserve water at home?
    12·2 answers
  • 1. What type of circuit is in the diagram?<br> parallel circuit<br> series circuit
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!