Answer:
US. With an installed capacity of 3,639MW in 2018, the US is the leading producer of geothermal energy across the world, producing 16.7 billion kilowatt hours (kWh) of geothermal energy throughout the year. ...
Indonesia. ...
Philippines. ...
Turkey. ...
New Zealand. ...
Mexico. ...
Italy. ...
Iceland.
Answer:
Both are endothermic reactions.
Explanation:
Chemical equation:
1/2H₂(g) + 1/2I₂(g) → HI(g) + 6.2 kcal/mol
Chemical equation:
21.0 kcal/mol + C(s) + 2S(s) → CS₂
Both reaction are endothermic because heat is added in both of reactions.
Endothermic reactions:
The type of reactions in which energy is absorbed are called endothermic reactions.
In this type of reaction energy needed to break the bond are higher than the energy released during bond formation.
For example:
C + H₂O → CO + H₂
ΔH = +131 kj/mol
it can be written as,
C + H₂O + 131 kj/mol → CO + H₂
Exothermic reaction:
The type of reactions in which energy is released are called exothermic reactions.
In this type of reaction energy needed to break the bonds are less than the energy released during the bond formation.
For example:
Chemical equation:
C + O₂ → CO₂
ΔH = -393 Kj/mol
it can be written as,
C + O₂ → CO₂ + 393 Kj/mol
I pretty sure the answer is true but here is also a site to help you. https://www.britannica.com/science/wave-water
The most effective poison is the poison that cost $30 per gallon.
<h3 /><h3><u>Procedure to determine the sample that is most effective </u></h3><h3 />
i<u>)</u><u> </u><u>Hypothesis</u> : Most expensive poison is the most effective
ii)<u> </u><u>Experiment </u><u>:</u>
Plant 12 dandelions under similar conditions which are :
- same soil
- same temperature
- water
- light
Divide the 12 Dandelions into four (4) different groups labelled ;
Apply the most expensive ( $30 ) poison to group A
Apply the second most expensive ( $20 ) poison to group B
Apply $10 poison to group C
Keep group D under natural conditions
iii) <u>Result </u>
The Dandelions grouped in Group A will die off faster than the plants grouped in other groups. which makes the poisons that cost $30 to be most effective.
Hence we can conclude that the most effective poison is the one that cost $30 per gallon.
Learn more about Dandelion : brainly.com/question/878684
<h2>
Answer: 6 moles</h2>
<h3>
Explanation:</h3>
3 H₂ + N₂ → 2 NH₃
↓ ↓
4 mol 3 mol
Since the moles of N₂ is the smaller of the two reactants, then N₂ is the limiting factor (the reactant that will decide how much ammonia is produced since it has the smaller amount of moles). ∴ we have to use it in calculating the number of moles of ammonia
The mole ratio of N₂ to NH₃ based on the balanced equation is 1 to 2.
∴ the moles of NH₃ = moles of N₂ × 2
= 3 moles × 2
= 6 moles