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11111nata11111 [884]
3 years ago
5

What is the first letter of every species

Chemistry
1 answer:
dalvyx [7]3 years ago
5 0
Different species have different names that start with different letters. However, all species names are generally preceded by a genus name
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Select the conjugate acid-base pair(s). a) HI, I b) HCHO2, SO4^2- c) CO3^2-, HCI d) PO4^3-, HPO4^2-
Semenov [28]

Answer:

d) PO4^3-, HPO4^2-

Explanation:

Basically, an acid and a base which differs only by the presence or absence of  proton (hydrogen ion) are called a conjugate acid-base pair.

a) HI, I

This is incorrect. For the acid, HI the conjugate base is I⁻ ion.

b) HCHO2, SO4^2-

This is incorrect, there's no relationship between both entities.

c) CO3^2-, HCI

This is incorrect, there's no relationship between both entities.

d) PO4^3-, HPO4^2-

This is correct. The difference between both entities is the Hydrogen ion. This is the conjugate acid-base pair

6 0
3 years ago
If a black hole is invisible how can we determine when one is present
Gelneren [198K]

Answer: you can’t

Explanation: i’m dumb too

8 0
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A three-component mixture of organic compounds in diethyl ether consists of a carboxylic acid, an amine base, and a neutral comp
Dmitrij [34]

Answer:the sodium carboxylate salt

Explanation:

The reaction between the carboxylic acid and the sodium hydroxide yields a sodium carboxylate. This sodium carboxylate is an ionic in nature; RCCOO-Na+. This can effectively interact with water and remain in the aqueous phase since it is composed of the carboxylate ion and sodium ion in solution. The aqueous phase always contains water soluble ionic substances of which the sodium carboxylate is a typical example of such.

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4 years ago
When snow melts does its volume decrease or increase?
kompoz [17]

The volume of the snow decreases. This had happened because the snow is made up or comprised of water (H2O) and oxygen (O). When the snow starts melting, the air inside the snow discharges into the atmosphere and the water turn out to be a puddle on the ground. 

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3 years ago
In a chromatography experiment, chlorophyll pigments are separated using paper. What is the stationary phase in this experiment?
stira [4]
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7 0
3 years ago
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