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
Mice21 [21]
3 years ago
10

Time: Continents Over Time View Hint Place all the images on the timeline before you click the "Check” button. If you get stuck,

click on the "View Hint" button, and to start over, click on the "Reset Images" button. C o 225 million years ago 200 million years 135 million years 65 million years ago Today ago ago e Reset images Check Next Chapter: Plates & Boundaries Dunamic Earth Cita Man​
Chemistry
1 answer:
Burka [1]3 years ago
7 0

Answer:

Explanation:

45

You might be interested in
PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP
anastassius [24]

Answer:

I believe the first one is correct but I think the second one would be the blood like substance. not a 100% sure sorry

6 0
3 years ago
An 80.0 g sample of iodine-131 was placed in a sealed vessel forty days ago. Only 2.5 g of this isotope is now left. What is its
MA_775_DIABLO [31]
1.25, you divide 2.5 by 80, then times by 40
3 0
3 years ago
Read 2 more answers
Earths atmosphere is warmed by the green house effect because heat radiant from earths surface is _ by gasses in the atmosphere.
mars1129 [50]
I think it would be B) Adsorbed
4 0
3 years ago
Which of the following examples best demonstrates kinetic energy?
Vlada [557]
Answer:-

Thanks for not describing your question well enough
4 0
3 years ago
An electrochemical cell is constructed using electrodes with the following half-cell reactions.
marshall27 [118]

Answer:

E cell = +1.95 V

Explanation:

At Anode : Oxidation reaction takes place

At Cathode : Reduction reaction takes place

The reaction with lower value of reduction potential will undergo Oxidation

Mn^{2+}(aq)+2e^{-}\rightarrow Mn(s)   E = -1.18 V

This equation undergo oxidation reaction and become:

Anode(Oxidation-Half) :

Mn(s)\rightarrow Mn^{2+}(aq)+2e^{-}      E = +1.18 V

Cathode(Reduction-Half) :

Fe^{3+}(aq)+e^{-}\rightarrow Fe^{2+}    E =+0.77 V

To balance the reaction multiply reduction-Half with 2.We get :

Fe^{3+} +2Mn(s)+\rightarrow Fe^{2+} + 2Mn^{2+}

Note that E is intensive property , do not multiply E  of oxidation-half with 2

Ecell =  0.77 -(-1.18)

E = +1.95 V

3 0
3 years ago
Other questions:
  • A chemical reaction gives off 1,500 kj of heat energy. about how many calories is this? (1 calorie = 4.18 joules)
    8·2 answers
  • 22. A flask containing 450 mL of 0.50 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO, do you need to put
    8·1 answer
  • What is the best description of the acceleration of an object?
    12·2 answers
  • Calculate the activation energy for vacancy formation in aluminum, given that the equilibrium number of vacancies at 500°C (773
    6·1 answer
  • Mixture that appears to contain only one substance is a
    8·2 answers
  • Analyze: What do the elements in each column of the periodic table have in common?
    6·1 answer
  • Thermodynamics and Q<br> How much energy is needed to heat 40.5g of water from 15.6°C to 73.0°C
    10·1 answer
  • Please help me with this homework
    12·2 answers
  • Pure hydrogen (H₂) is a hazardous substance. Thus, safer and more cost effective techniques have been developed to store it as a
    10·1 answer
  • What is the hardest things in the world​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!