Chemistry, 22.06.2019 09:00 angelrenee2000

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

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Answer from: fperez616

Answer;

Falsfiable

Explanation;Scientific Hypothesis is a proposed set of phenomena that must be testable with evidence from the natural world. If an hypothesis cant be tested then it's not a scientific hypothesis.Scientific Theory is a broad explanation for a wide range of phenomena and usually integrate many individual hypothesis. The theory must be testable with evidence to support the theory.Scientific Laws on the other hand is a statement based on repeated experimental observations that describes some aspect of the world. Scientific statement, hypothesis, or theory should have falsifiability or should be falsifiable. Falsifiability refers to the capacity for some proposition, statement, theory or hypothesis to be proven wrong.

Answer from: bjbass899

option d falsifiable is correct

Explanation:

took the exam

Answer from: Quest

$\frac{239}{94}pu+\frac{1}{0}n ====> \frac{y}{z}x+\frac{134}{54}xe+3\frac{1}{0}$

the catch is that the top numbers are atomic masses the bottom numbers are the numbers of protons and electrons in an uncharged atom. they are the number of that atoms as you would find them on the periodic table. further, the numbers on the left are used to determine the missing numbers on the right

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137 subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54 subtract 54 from both sides.

40 = z

answer

$\frac{103}{40}x=\frac{103}{40}zr$

Answer from: Quest

definition

entropy is a measure of the randomness or the extent of disorder of a chemical process.

enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

entropy is measured in joule per kelvin (jk⁻¹) whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.

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