Real gas particles have more complex interactions than ideal gas particles.
Explanation:
Real gases do not behave exactly like ideal gases because real gas particles have more complex interactions than ideal gas particles.
At high pressures and low temperatures, a gas tends to deviate from ideality.
- In an ideal gas molecules are not taking up space in the gas volume and intermolecular attractions are not pulling the particles closer to each other.
- This condition is true when the gases are at low pressures and high temperature.
- At a high pressure and low temperature, the gas deviates.
- Under this condition, the gas becomes less energetic and intermolecular attraction becomes appreciable.
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Answer:
75.15g of NH₄Cl
Explanation:
It is possible to answer this question using Henderson-Hasselbalch formula:
pH = pka + log₁₀ [A⁻] / [HA] <em>(1)</em>
Where A⁻ is weak base, NH₃, NH₄Cl is HA, conjugate acid.
Using Kb, it is possible to find pka, thus:
Kw / Kb = Ka → 5.56x10⁻¹⁰.
pKa is -log Ka → <em>9.26</em>
Moles of NH₃ are:
1.53L × (0.08mol / L) = <em>0.1224 moles of NH₃</em>.
Replacing these values in (1):
8.2 = 9.26 + log₁₀ [0.1224] / [HA]
[HA] = 1.405moles of NH₄Cl
As molar mass of NH₄Cl is 53.491g/mol, you need to add:
1.405moles of NH₄Cl ₓ (53.491g / 1mol) = <em>75.15g of NH₄Cl</em>
I hope it helps!
Explanation:
Radioactive isotopes are unstable isotopes whose neutron/proton ratio differs from its stability ratio.
- These isotopes will naturally decay and break down on their own.
- A nucleus with neutron/proton ratio combination which is different different from its stability ratio will be unstable and split into one or more other nuclei.
- This is accompanied by the emission of small energetic particles.
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Answer
Omega-3 fatty acid
Explanation:
The monomers are small units or molecules which join with each other end in a huge to end and give rise to the polymers.
DNA and albumin:
If we talk about albumin it is a protein which is present in eggs. All proteins are made up of monomers of amino acids. Similarly, DNA is also a polymer because it is made up hundreds and thousands of small monomeric units called nucleotides.
glycogen:
It is also a biological polymer where several monomer units of glucose are joined together through alpha acetal linkages.
Omega-3 fatty acid:
It is not a polymer. Its a group of fatty acids that contain a double bond at carbon of 3rd position from one end of the carbon chain that was initiated from methyl group and contains one carboxyl group located at the other molecular end. For example: Alpha-Linelenic acid.
Therefore, Omega-3 fatty acid is the right option.
Hope it helps!
Answer:
6.It is concluded that while high temperature has an unfavourable effect on seed set of radish plants, it also weakens the incompatibility reaction between pollen and style, so that the result is a small increase in yield.
7.The result of the study showed that music with a higher intensity is more distracting and has a greater effect on task performance and concentration. The result helped formulate the Attention Drainage Effect theory, which is based on Kahneman's (1973) capacity model of attention
8. If the food is more colorful then the fish will eat more because they're more interested in the colors
9.If plants do not receive enough light, they will not grow at their maximum rate or reach their maximum potential, regardless of how much of any other variable – water, growth medium or fertiliser – they receive. Light is the driving force for photosynthesis, a plant process that changes sunlight into chemical energy. Plants need five things in order to grow: sunlight, proper temperature, moisture, air, and nutrients. These five things are provided by the natural or artificial environments where the plants live. If any of these elements are missing they can limit plant growth.
The independent (or manipulated) variable is something that the experimenter purposely changes or varies over the course of the investigation. The dependent (or responding) variable is the one that is observed and likely changes in response to the independent variable.
10.What effect does smiling have on a teacher giving no homework.
Hypothesis
If a student smiles at teacher, then no homework will be assigned
independent variable is smiling
dependent variable is homework
Explanation: