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2 years ago

14

You have an object with a mass of 14 g and a volume of 20 mL. Calculate the density and identify which material you have from th

e list.

1 answer:

arsen [322]2 years ago

8 0

Answer:

0.7 g/ml. Whichever material matches that closest is the right one.

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Dubnium chloride chemical formula

cupoosta [38]

Answer:

Db

Dubnium/Symbol

Explanation:

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3 years ago

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A group of birds eat fruit from a tree. The fruit falls to the ground where

olchik [2.2K]

Answer:

Both answer choice 2 and answer choice 3 are correct choices.

Explanation:

Biotic factors are living components in an ecosystem. They are living organisms which affect another living component in an ecosystem.

Antibiotic factors are non living components of an ecosystem. They are chemicals which affect living organisms.

The choice 2 is correct. The seeds spread out by mice is a biotic factor interacting with an antibiotic factor

Choice 3 is correct. The seeds in the soil grow into new trees are biotic factors interacting with an antibiotic factor

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4 years ago

What happens during covalent bonding?

Alika [10]

Answer:

The atoms share some of their outer electrons so that each atom has a stable noble gas arrangement.

Explanation:

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3 years ago

How much voltage is required to run 1.6 A of current through a 240

pentagon [3]

Answer:

answer is not there

Explanation:

V=1.6×240

V=384volt

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3 years ago

Malic acid, C4H6O5, has been isolated from apples. Because this compound reacts with 2 molar equivalents of base, it is a dicarb

Flura [38]

Answer and explanation:

The attached figure shows five different structures for the chemical formula C4H5O5, but only one of these structures represent the malic acid.

Malic acid is a dicarboxylic acid, this means malic acid has two

-COOH groups. Also, malic acid is a secundary alcohol, which means it has a R2-C-OH group.

-Structure A has two carboxylic groups, but it doesn´t have a secundary alcohol.

-Structure B doesn´t have any caborxylic group.

-Structure C has two carboxylic groups and it is a secundary alcohol. Structure C is the Malic acid

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3 years ago