A bacterium is in a nasty environment. What sort of reproduction would it use in this situation? Why? How else would it protect itself? (hint: what were those special capsules called and why were they special?)

Answers

Answer 1

Answer:

The bacteria in nasty environment undergoes multiple fission.

Explanation:

The bacteria is a unicellular prokaryotic organisms that are found in each and every places of the world. They can survive in extremes of temperatures and pH. They can save themselves through special processes in the extreme climates.

The bacteria undergoes multiple fission in these climates. They cover themselves up with a strong and tough capsule inside which they undergo several Binary fissions. This leads to the formation of multiple cells enclosed with a capsule.

With the return of the favourable climate, the capsule rupture and these newly formed cells come out.

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What happens to the motion between water molecules when liquid water transforms to a solid?Hydrogen bonds are broken.

Atoms in the liquid water move more slowly.

Atoms in the liquid water move more quickly.

More hydrogen bonds form between the molecules.

Answers

When liquid is in a solid the atoms move slower because their is less room and atoms in a liquid move faster
Hope this helped

Final answer:

When water changes from a liquid to a solid, the atoms move slower and form more hydrogen bonds, giving ice its solid structure.

Explanation:

When liquid water transforms to a solid state (i.e. ice), the motion between water molecules changes. Hydrogen bonds are actually formed, not broken. Because of the decrease in temperature, atoms in the liquid water start to move more slowly, not quickly. This slower movement allows for more hydrogen bonds to form between the water molecules, which is what essentially gives ice its solid structure.

Learn more about State Change of Water here:

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What does cell division allow ALL multicellular organisms to do? A. reproduce B. repair tissue C. get rid of waste D. produce energy

Answers

the answer is B.repair tissue

A 440.0 g piece of copper is dropped into 400.0 mL of water at 20.00 °C. The final temperature of the water was measured at 35.80 °C. Calculate the initial temperature of the metal. (SCu = 0.3850 J/gC)

Answers

Answer:

207.50°C

Explanation:

Mass of metal (M1) = 440g

Volume of water = 400mL

Initial temperature of water (T2) = 20°C

Final temperature of the mixture (T3) = 35.80°C

Specific heat capacity of the metal (C1) = 0.3850J/g°C

Specific heat capacity of water = 4.184J/g°C

Density of water = 1g/mL

Temperature of metal (T1) = ?

Heat lost by the metal = Heat gained by the water

Q = MC∇T

Q = heat energy

M = Mass

C = specific heat capacity

∇T = change in temperature

M1C1(T1 - T3) = M2C2(T3 - T2)

M2 = ?

Density = mass / volume

Mass = density * volume

Mass = 1g/mL * 400mL

Mass = 400g

M1C1(T1 - T3) = M2C2(T3 - T2)

400 * 0.3850 (T1 - 35.80) = 400 * 4.184 * (35.80 - 20)

154(T1 - 35.80) = 1673.6 * (15.8)

154T1 - 5513.2 = 26442.88

154T1 = 26442.88 + 5513.2

154T1 = 31956.08

T1 = 31956.08 / 154

T1 = 207.50

The initial temperature of the metal was 207.50°C

What are van der waals forces

Answers

Answer:

Explanation:

Van der Waals forces are weak attractions that hold electrically neutral molecules together. At some point these molecules have an induced dipole, that is, the molecule acquires a partially positive and a partially negative charge momentarily, causing them to attract each other. They are Van de Waals forces: Dipolo - Dipolo forces, London forces, Ion forces - Dipolo

Dipole-dipole forces: they are attractive forces between polar molecules (polar molecules occur when two atoms have different electronegativity, then the one with the greatest electronegativity will attract electrons towards each other, giving rise to two opposite charges on the bond. That is, this generates that in a polar molecule there is separation between positive and negative charges)

London Dispersion Forces: occurs between non-polar molecules (union between atoms of the same element or between atoms with very little electronegativity difference) due to the movement of electrons. At some point there are more electrons to one side, which, being close to another atom or molecule, the electrons of the second are repelled, originating two instantaneous dipoles, which give rise to a force of attraction.
Ion-dipole forces: they are attractive forces between an ion (an atom that has lost or gained an electron, then it has a charge) and a polar molecule.

They are weak, short-range electrostatic attractive forces between uncharged molecules, arising from the interaction of permanent or transient electric dipole moments.

Which property describes how much energy must be added to an atom to remove an outermost election

Answers

Answer:

By definition, the first ionization energy of an element is the energy needed to remove the outermost, or highest energy, electron from a neutral atom in the gas phase. The process by which the first ionization energy of hydrogen is measured would be represented by the following equation.

Explanation:

Answer:

THE ANSWER IS C OK THANKS FOR THE ASK

Explanation:

The process of isotopes breaking down and emitting particles, such as alpha or beta, to form a new substance.