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
Vsevolod [243]
3 years ago
9

if an endothermic reaction begins at 26°C and decreases by 2°C per minute how long will it take to reach 0°C?

Chemistry
1 answer:
KATRIN_1 [288]3 years ago
4 0

Answer:

13 minutes

Explanation:

For the endothermic reaction to reach 0°C, it will take 13 minutes.

 Let us follow the process step by step;

 Rate of decrease is 2°C per minute.

  Start is 26°C

    Time                   temperature

     0 min                    26°C

      1 min                     24°C

      2 min                     22°C

     3 min                      20°C

    4 min                       18°C

   5 min                        16°C

     6 min                      14°C

     7 min                      12°C

     8 min                     10°C

    9 min                       8°C

     10 min                      6°C

     11 min                       4°C

     12 min                      2°C

      13 min                      0°C

You might be interested in
According to reference table adv-10, which is the strongest reducing agent?
Mumz [18]
Li(s)    (answer  A)   
    Li  is  strongest  reducing  agent  because  of  the   lowest  standard reduction  potential.  when  something  is  oxidized, it  reduces  another  substance,  becoming a  reducing.Hence  Lithium  is  strongest  reducing  agent. Reducing  agent   is  stronger  when  it  has  a  more  positive  oxidation potential.
3 0
3 years ago
If an atom has 13 electrons how many electron shells does it have
svlad2 [7]

Answer:

Explanation:

If an atom has 13 electrons then it belongs to p-block of periodic table.

s level can accommodate 2 electrons.

p level can accommodate 6 electrons.

13 means 1s2 2s2 2p6 3s2 3p1.

As you can see there totally 5 sub-shells.

Total number of shells are 3(1,2,3).

4 0
3 years ago
4Al(s)+3O2(g)__> 2Al2O3(s)
nasty-shy [4]
What do you want us to work out?
8 0
3 years ago
PLZ HELP IM GIVING BRAINLEST TO WHOEVER HELPS ME AND GETS THE RIGHT ANSWER.
Nana76 [90]

Answer:

From hot tea to the ice cube

From the warm coffee to my cold hands

From the hot sand to my feet

Explanation:

Heat always travels from a hot object to a colder object, until equilibrium is reached and the objects are at the same temperature.

5 0
3 years ago
Read 2 more answers
How do i open the link when i get a question answered​
Feliz [49]

Answer:

Just click on the answer, if it is an external link DO NOT CLICK IT. it may contain dangerous stuff including h*cked stuff.

Explanation:

7 0
3 years ago
Other questions:
  • Why does your reflection in a mirror look different from your reflection in wood
    8·1 answer
  • An unknown solution has a ph of 8. how would you classify this solution?
    14·1 answer
  • 5.00 ml of commercial bleach was diluted to 100.0 ml. 25.0 ml of the diluted sample was titrated with 4.56 ml of 0.100 m s2o3 2-
    15·1 answer
  • Which statement is correct about the reaction that occurs between calcium chloride and sodium carbonate? It is a single replacem
    6·2 answers
  • Which type of mutation involves adding dna bases?
    11·1 answer
  • What type of relationship exists between birds and trees
    5·1 answer
  • A solution is
    11·1 answer
  • Write the chemical name for P3F4?<br> Correct spelling counts!
    12·1 answer
  • Explain how you would find the solubility of a solute
    11·1 answer
  • What atomic number 15 protons and 10 neutrons and 13 electrons
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!