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svlad2 [7]
3 years ago
13

Science pls help me having trouble on the third one

Chemistry
2 answers:
Ira Lisetskai [31]3 years ago
6 0
The diameters of the spheres are 72.5 meters square
neonofarm [45]3 years ago
6 0

Answer:

ijcQwertyjkllmnnbbvcxzssssdttyyjnnnvvcxyj

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Explain why photosynthesis is much slower in underwater plants.
Viktor [21]

Answer:

Gases such as carbon dioxide diffuse much more slowly in water than in air. Plants that are fully submerged have greater difficulty obtaining the carbon dioxide they need. To help ameliorate this problem, underwater leaves lack a waxy coating because carbon dioxide is easier to absorb without this layer.

Explanation:

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Ms. Garcia's science students are studying scale models. For her science project, Sarah has decided to make a scale model of the
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D. 109 cm

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Please help with q2
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A. It is counterproductive
B. Vinegar
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Oxygen is used to burn a sugar (C​ H​ O​ ) according to the following balanced equation
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3 years ago
What type(s) of intermolecular forces are expected between ch3ch2ch2ch2oh molecules?
12345 [234]

Answer : Hydrogen-bonding, Dipole-dipole attraction and London-dispersion force.

Explanation :

The given molecule is CH_3CH_2CH_2CH_2OH.

Three types of inter-molecular forces are present in this molecule which are Hydrogen-bonding, Dipole-dipole attraction and London-dispersion force.

  • Hydrogen-bonding : when the partial positive end of hydrogen is bonded with the partial negative end of another molecule like, oxygen, nitrogen, etc.
  • Dipole-dipole attraction : When the partial positively charged part of the molecule is interact with the partial negatively charged part of the molecule. For example : In case of HCl.
  • London-dispersion force : This force is present in all type of molecule whether it is a polar or non-polar, ionic or covalent. For example : In case of Br-Br , F-F, etc

Hydrogen-bonding is present between the oxygen and hydrogen molecule.

Dipole-dipole forces is present between the carbon and oxygen molecule.

London-dispersion forces is present between the carbon and carbon molecule.

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3 years ago
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