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2 years ago

As you move upward, from level, in an energy pyramid, available energy ____.

Chemistry

1 answer:

svetlana [45]2 years ago

8 0

The available energy decreases as one moves upward in an energy pyramid.

<h3>Energy pyramid</h3>

The energy pyramid represents a model of how energy is transferred from one trophic level to another in ecosystems.

Energy is transferred from producers to primary consumers, from primary to secondary consumers, from secondary to tertiary consumers, and so on.

Only about 10% of the available energy in one trophic level is transferred to the next with the remaining 90% being lost as heat to the environment.

Thus, as one moves up the energy pyramid, the available energy decreases. This is why organisms at the higher end of the energy pyramid have to devise an efficient way of extracting energy from their foods.

More on energy pyramid can be found here: brainly.com/question/2515928

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What substance is produced by the reaction: H+[aq]+OH-[aq]=?

valkas [14]

Answer:

It produces water.

Explanation:

H+ + OH- produces H2O.

It is a type of Neutralization reaction.

6 0

3 years ago

The condensation temperature of a material is the temperature at which the material makes a transition between being a vapor and

kherson [118]

Answer: From highest to lowest, we have Iron> water> hydrogen

Explanation: Condensation temperature is temperature at which materials transit from being a vapor to being a solid.The early solar nebula consisted of water, iron and hydrogen, and the temperature in the nebula is said to decrease with distance away from the proto-sun, with heavy elements such as iron whose distance is nearer to the protosun, will have a higher condensation temperature as compared to light elements, such as hydrogen which have lower temperature since gases are further from the sun. water vapour is heavier than hydrogen and therefore will have a higher condensation temperature than hydrogen.

8 0

4 years ago

A gas at STP occupies 16 L of space. If the pressure changes to 2.6 atm and the temperature increases to 195 degrees C, what is

Tju [1.3M]

The new volume of a gas at STP that occupies 16L of space is 27.43L.

<h3>HOW TO CALCULATE VOLUME?</h3>

The volume of a given gas can be calculated using the following expression:

P1V1/T1 = P2V2/T2

Where;

P1 = initial pressure
P2 = final pressure
V1 = initial volume
V2 = final volume
T1 = initial temperature
T2 = final temperature

1 × 16/273 = 2.6 × V2/468

16/273 = 2.6V2/468

0.0586 × 468 = 2.6V2

V2 = 27.43

Therefore, the new volume of a gas at STP that occupies 16L of space is 27.43L.

Learn more about volume at: brainly.com/question/1578538

5 0

2 years ago

Hamid made this table to organize his notes on the properties of acids and bases.

Molodets [167]

Answer : The property in the wrong column is, base form hydrogen gas with metals

Explanation :

Acid : It is a substance that has ability of donating a proton or hydrogen ion, $H^+$ .

The properties of an acid are :

Acids are sour in taste.
It conduct electricity.
The texture of an acid solution is sticky.
It react with carbonates to give salt.
It changes the color of the litmus paper to red.
It react with a metal to give compound and hydrogen gas.

Base : It is a substance that has ability of donating hydroxide ion, $OH^-$ .

The properties of an base are :

Base are bitter in taste.
It conduct electricity.
The texture of an base solution is slippery.
It changes the color of the litmus paper to blue.
It does not react with a metal.

Hence, from the above information, we conclude that the property in the wrong column is, base form hydrogen gas with metals .

8 0

3 years ago

Read 2 more answers

Using the thermodynamic information in the ALEKS Data tab, calculate the boiling point of titanium tetrachloride . Round your an

ddd [48]

Answer:

The boiling point is 308.27 K (35.27°C)

Explanation:

The chemical reaction for the boiling of titanium tetrachloride is shown below:

Ti $Cl_{4(l)}$ ⇒ Ti $Cl_{4(g)}$

ΔH° $_{f}$ (Ti $Cl_{4(l)}$ ) = -804.2 kJ/mol

ΔH° $_{f}$ (Ti $Cl_{4(g)}$ ) = -763.2 kJ/mol

Therefore,

ΔH° $_{f}$ = ΔH° $_{f}$ (Ti $Cl_{4(g)}$ ) - ΔH° $_{f}$ (Ti $Cl_{4(l)}$ ) = -763.2 - (-804.2) = 41 kJ/mol = 41000 J/mol

Similarly,

s°(Ti $Cl_{4(l)}$ ) = 221.9 J/(mol*K)

s°(Ti $Cl_{4(g)}$ ) = 354.9 J/(mol*K)

Therefore,

s° = s° (Ti $Cl_{4(g)}$ ) - s°(Ti $Cl_{4(l)}$ ) = 354.9 - 221.9 = 133 J/(mol*K)

Thus, T = ΔH° $_{f}$ /s° = [41000 J/mol]/[133 J/(mol*K)] = 308. 27 K or 35.27°C

Therefore, the boiling point of titanium tetrachloride is 308.27 K or 35.27°C.

5 0

3 years ago