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4 years ago

Vascular plants can be divided into three categories. These categories are

1 answer:

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They also have a specialized non-lignified tissue (the phloem) to conduct products of photosynthesis. Vascular plants include the clubmosses, horsetails, ferns,gymnosperms (including conifers) and angiosperms (flowering plants). Scientific names for the group include Tracheophyta and Tracheobionta.

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What is the conjugate acid of HCO3- ?OH-H2CO3CO32-H2OH3O+

adell [148]

Answer: The conjugate acid of $HCO_3^-$ is $H_2CO_3$

Explanation:

According to the Bronsted-Lowry conjugate acid-base theory:

An acid is defined as a substance which looses donates protons and thus forming conjugate base.
A base is defined as a substance which accepts protons and thus forming conjugate acid.

To form a conjugate acid of $HCO_3^-$ , this compound will accept one proton to form $H_2CO_3$

The chemical equation for the formation of conjugate acid follows:

$HCO_3^-+H^+\rightarrow H_2CO_3$

The conjugate acid formed is named as carbonic acid.

Hence, the conjugate acid of $HCO_3^-$ is $H_2CO_3$

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3 years ago

Sample A: 300 mL of 1M sodium chloride

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Answer:

Sample A contains the smaller volume

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Name and symbol for the first 20 elements.

velikii [3]

Answer:

H - Hydrogen

He - Helium

Li - Lithium

Be - Beryllium

B - Boron

C - Carbon

N - Nitrogen

O - Oxygen

F - Fluorine

Ne - Neon

Na - Sodium

Mg - Magnesium

Al - Aluminum

Si - Silicon

P - Phosphorus

S - Sulfur

Cl - Chlorine

Ar - Argon

K - Potassium

Ca - Calcium

Explanation:

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Name the 6 different Phase changes present here on Earth.

spin [16.1K]

Freezing,condensation,vaporization,sublimation

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In Part 2 of the experiment, Joe first adds a buffer to his lemonade. After adding the baking soda, his lemonade is __.

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b more likely to change pH

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