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3 years ago

What determines the amount of chemical energy something has

1 answer:

3 0

Chemical energy is the energy stored in atoms that deal with the strictures etc. What determines this is the <span>thermodynamic.</span>

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What causes competition to occur in an environment?

mixas84 [53]

Answer:

Intraspecific competition examples,

Interspecific competition examples,

and what causes it to happen. <em>Skip to the bottom for shortest answer.</em>

Intraspecific competition is for instance, when two cows of the same species compete for grass, the food source.

Interspecific competition is for example, when a bear and another species compete for fish.

But why does this happen? ↓

This competition happens because of limiting factors in the ecosystem, and general competition. Animals compete for their food because they need this food to survive. If they do not compete for the food, the other animal will get the food and the opposing animal will be left hungry. These are the main reasons why animals will compete for their resources.

In conclusion,

In a short sum, competition happens because animals need food, and when they can't get food, they compete.

8 0

3 years ago

Which is not true regarding the specific heat of water? the specific heat of water explains capillary action. the specific heat

matrenka [14]

The answer is A. The specific heat of water explains capillary action I just took the exam and got it correct

4 0

3 years ago

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Given the balanced equation representing a reaction: h2 → h h what occurs during this reaction? 1. energy is absorbed as bonds a

larisa [96]

I believe the correct answer from the choices listed above is option 2. From the balanced equation, the energy is absorbed as the bonds are broken. Energy is needed to be supplied for the bonds to be broken.

Hope this answers the question. Have a nice day.

8 0

3 years ago

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An aqueous solution of nitric acid is standardized by titration with a 0.110 M solution of calcium hydroxide. If 21.1 mL of base

Mumz [18]

Answer:

$\large \boxed{\text{0.195 mol/L}}$

Explanation:

(a) Balanced equation

2HNO₃ + Ca(OH)₂ ⟶ Ca(NO₃)₂ + 2H₂O

(b) Moles of Ca(OH)₂

$\text{Moles of Ca(OH)}_{2} = \text{21.1 mL Ca(OH)}_{2} \times \dfrac{\text{0.110 mmol Ca(OH)}_{2}}{\text{1 mL Ca(OH)}_{2}}\\= \text{2.321 mmol Ca(OH)}_{2}$

(c) Moles of HNO₃

The molar ratio is 2 mol HNO₃:1 mol Ca(OH)₂

$\text{Moles of HNO}_{3} = \text{2.321 mmol Ca(OH)}_{2} \times\dfrac{\text{2 mmol HNO}_{3}}{\text{1 mmol Ca(OH)}_{2}}= \text{4.642 mmol HNO}_{3}$

(d) Molar concentration of HNO₃

$c = \dfrac{\text{moles of solute}}{\text{litres of solution}}\\\\c = \dfrac{n}{V}\\\\c= \dfrac{\text{4.642 mmol}}{\text{23.8 mL}} = \text{0.195 mol$\cdot$L$^{-1}$}\\\\\text{The molar concentration of the Ca(OH)$_{2}$ is $\large \boxed{\textbf{0.195 mol/L}}$}$

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4 years ago

In water, compounds that releases __________ ions are known as _________

liberstina [14]

Answer:

hydrogen,Acids

Explanation:

Hope this helps you

8 0

3 years ago

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