What do scientists call a smart guess?

Chemistry

2 answers:

Artyom0805 [142]2 years ago

6 0

Scientists call smart guesses a hypothesis.

Alexus [3.1K]2 years ago

4 0

An educated guess is called estimation

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Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exert

Damm [24]

Answer: The given statement is true.

Explanation:

According to the Dalton's law, total pressure of a mixture of gases that do not react with each other is equal to the partial pressure exerted by each gas.

The relationship is as follows.

$p_{total} = \sum_{i=1}^{n} p_{i}$

or, $p_{total} = p_{1} + p_{2} + p_{3} + p_{4} + ......... + p_{n}$

where, $p_{1}, p_{2}, p_{3}$ ....... = partial pressure of individual gases present in the mixture

Also, relation between partial pressure and mole fraction is as follows.

$p_{i} = p_{total} \times x_{i}$

where, $x_{i}$ = mole fraction

Thus, we can conclude that the statement Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of the pressures exerted independently by each gas in the mixture, is true.

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Why does waters boiling point decrease with increases in elevation

lesantik [10]

Answer:

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For example, the higher in elevation you are. The lower the atmospheric pressure is. In other words heated water reached boiling point quicker.