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2 years ago

Which is more reactive oxygen or hydrogen? explain why?

Chemistry

1 answer:

mash [69]2 years ago

6 0

Answer:

Explanation:

Which is more reactive hydrogen or oxygen?

Hydrogen is not particularly reactive. For example, just mixing hydrogen and oxygen gas will not cause a reaction at room temperature, but many metal elements oxidize at least on the surface in air. ... It is combustible because oxygen wants electrons and takes them from hydrogen to form water.

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If the mass percentage composition of a compound is 72.1% Mn and 27.9% O, its empirical formula is

mojhsa [17]

Answer:

MnO- Manganese Oxide

Explanation:

Empirical formula: This is the formula that shows the ratio of elements

present in a

compound.

How to determine Empirical formula

1. First arrange the symbols of the elements present in the compound

alphabetically to determine the real empirical formula. Although, there

are exceptions to this rule, E.g H2So4

2. Divide the percentage composition by the mass number.

3. Then divide through by the smallest number.

4. The resulting answer is the ratio attached to the elements present in

a compound.

Mn O

% composition 72.1 27.9

Divide by mass number 54.94 16

1.31 1.74

Divide by the smallest number 1.31 1.31

1 1.3

The resulting ratio is 1:1

Hence the Empirical formula is MnO, Manganese oxide

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3 years ago

True or False. If a fire destroyed all of the grass in a grassland, this would NOT affect the biodiversity of this ecosystem.

Andrews [41]

Answer:

This is false

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3 years ago

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What are weather balloons? (3 points)

WARRIOR [948]

C! objects that carry instruments into the stratosphere to measure atmospheric conditions

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2 years ago

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Which energy conservation takes place when a solar cell

sp2606 [1]

Answer:

Its science and cells

Explanation:

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3 years ago

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Given the formula representing a molecule:

Aleksandr [31]

Answer:

B) Symmetrical and nonpolar

Step-by-step explanation:

The formula is H-C≡C-H.

Each C atom has two electron regions, so VSEPR theory predicts a linear molecular geometry (see image below).

The molecule is symmetrical, because the green line divides the molecule into two halves that are mirror images of each other.

The C-H bonds are slightly polar, because C is more electronegative than H (µ ≈ 0.4 D).

The C atoms are partially negative (red), while the H atoms are partially positive (blue).

However, the two C-H bond dipoles point in opposite directions, so they cancel each other. The molecule has no net dipole moment.

Acetylene is nonpolar.

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3 years ago

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