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2 years ago

12

The image shows a diagram of a chloroplast, which captures light energy from thesun. In what type of cell would you expect to fi

nd these
organelles?

1 answer:

Dahasolnce [82]2 years ago

6 0

Answer: a plant cell

Explanation:

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Which units represent destiny? Select all that apply.

ozzi

The basic units for density is $\frac{mass}{volume}$ and any get of units that has those units in the proper place can be considered a density unit. The ones that has those specifically are A, B, E and F

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3 years ago

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Binary Covalent (molecular) Compounds

prisoha [69]

Answer:

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Explanation:

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2 years ago

A colorless liquid has a molar mass of 60.01 g/mol. When the liquid was analyzed, it was 46.7% nitrogen and 53.3% oxygen. What i

MAXImum [283]

first we have to find the empirical formula of the compound

empirical formula is the simplest ratio of whole numbers of components making up a compound

for 100 g of the compound

N O

mass 46.7 g 53.3 g

number of 46.7 g/ 14 g/mol 53.3 g/ 16 g/mol

moles = 3.34 mol = 3.33 mol

divide by the least number of moles

3.34/3.33 = 1.00 3.33/ 3,33 = 1.00

therefore number of atoms are

N - 1

O - 1

empirical formula is - NO

mass of empirical unit - 14 g/mol + 16 g/mol = 30 g

molecular formula is actual composition of elements in the compound

molecular mass - 60.01 g/mol

number of empirical units = molecular mass / empirical unit mass

= 60.01 g/mol / 30 g = 2

there are 2 empirical units

2(NO)

molecular formula = N₂O₂

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2 years ago

In which state of the following compounds does nitrogen have the most positive oxidation state? group of answer choices no2 nano

Amiraneli [1.4K]

The compound nitrogen have most positive oxidation state is NO₂. The correct option is b.

<h3>What is oxidation state?</h3>

The total number of electrons gained or lost by an atom in order to form a chemical bond with another atom.

The charge on an ion is equal to the sum of the oxidation states of all the atoms in the ion. A substance's more electronegative elements are given a negative oxidation state.

A positive oxidation state is assigned to the less electronegative element.

Thus, the correct option is b, NO₂.

Learn more about oxidation state

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2 years ago

What do we know about elements with half-filled energy levels??

lisabon 2012 [21]

If the energy level of a certain element is filled based on the maximum number of allowable electrons per level, then it is no longer reactive. With this, half-filled energy level means that the element may retain those electrons and attract electrons from other elements or it may give off its electrons.

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2 years ago