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3 years ago

Which has a geographic North Pole and South Pole?

Chemistry

2 answers:

Karolina [17]3 years ago

8 0

Answer:

The Earth rotates on the geographic North and South Poles the geographic North and South poles are within the lines of latitude coverage in the north on the other side of the Earth the South Pole Line on a continental landmass known as in Anatarctica the answer is a earth only

Bogdan [553]3 years ago

7 0

Answer:

A. Earth only

Explanation:

The Earth rotates on the geographic north and south poles. The geographic north and south poles are where lines of longitude (meridians) converge in the north. On the other side of the Earth, the South Pole lies on a continental land mass known as Antarctica.

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"the substances that are formed by a chemical change are called the" "the state of matter in which a material has a definite vol

Triss [41]

The substances that are formed by a chemical change are called the product.

While the state of matter in which a material has a definite volume and a definite shape is the solid.

In a chemical reaction, the reactant on the left hand side undergoes a chemical change and gives product.

While in a solid state, a material has a definite volume and a definite shape is the solid.

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4 years ago

What can bias a scientists's observations

Julli [10]

A bias is said to occur when a researcher influence the outcome of his experiments. Many things can bias a scientist observation.
A design bias may occur if the scientist did not take into consideration the inherent biases that are liable in the experiment he is performing.
Sampling bias may occur if the process of sapling introduces an inherent bias into the study; this may be in form of omission or inclusion.

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3 years ago

For the reaction: CO(g) + H2O(g) â‡Œ CO2(g) + H2(g) the value of Kc is 1.845 at a specific temperature. We place 0.500mol CO and

patriot [66]

Answer:

Explanation:

In the equilibrium:

CO(g) + H₂O(g) ⇄ CO₂(g) + H₂(g)

Kc is:

Kc = 1.845 = [CO₂] [H₂] / [CO] [H₂O]

Where [] are equilibrium concentrations of each species

Initial concentrations:

[CO] = 0.500mol / 1.00L = 0.500M

[H₂O] = 0.500mol / 1.00L = 0.500M

In equilibrium, concentrations will be:

[CO] = 0.500M - X

[H₂O] = 0.500M - X

[CO₂] = X

[H₂] = X

Where X is reaction coordinate. The amount of reactant that reacts producing products.

Replacing in Kc expression:

1.845 = [CO₂] [H₂] / [CO] [H₂O]

1.845 = [X] [X] / [0.500M - X] [0.500M - X]

1.845 = X² / X² - X + 0.25

1.845X² - 1.845X + 0.46125 = X²

0.845X² - 1.845X + 0.46125 = 0

Solving for X:

X = 0.288M; Right solution

X = 1.9M; False solution: Produce negative concentrations.

Replacing, equilibrium concentrations are:

[CO] = 0.500M - X = 0.212M

[H₂O] = 0.500M - X = 0.212M

[CO₂] = X = 0.288M

[H₂] = X = 0.288M

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3 years ago

How is the atmosphere like an ocean

miss Akunina [59]

The ocean is primarily a liquid and the atmosphere is mostly gas, so they are different states of matter. They also have different chemical compositions which really ought to be common knowledge. Also, very few fish swim in the sky.

YEP

4 0

4 years ago

Read 2 more answers

What is the true ratio of atoms in a molecule or formula unit called?

Colt1911 [192]

Answer:

O the molecular formula

Explanation:

The true ratio of atoms in a molecule or formula unit is called the molecular formula.

The molecular formula of a compound shows the true number of atoms that are combining to form a compound.

For example, the molecular formula of water is H₂O.

Empirical formula of a compound is its simplest ratio.
When the number of atoms are divided by the smallest possible factor, it yields the empirical formula.

3 0

3 years ago