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AlladinOne [14]
4 years ago
8

What does it mean for a hypothesis to be testable? APEX

Chemistry
1 answer:
yuradex [85]4 years ago
4 0

Answer:

A Scientific hypothesis must be testable, for a hypothesis to be testable means that it is possible to make observations that agree or disagree with it. This statement may or may not be true, but it is not a scientific hypothesis. That's because it can't be tested.

Explanation:

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A sample of gas is kept at a temperature of 300 k, a volume of 1.45L, and a pressure of 3.00 kPa. How many moles of has are in t
klasskru [66]

Answer:

the number of moles of the gas is 0.00174 mol.

Explanation:

Given;

temperature of the, T = 300 K

volume of the gas, V = 1.45 L

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The number of moles of the gas is calculated using Ideal gas equation, as follows;

PV = nRT

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n = 0.00174 mol.

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7 0
3 years ago
Why are compounds, such as NaCl, more stable than the elements that make them up?
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Answer:

Explanation:

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the driving force for chemical reaction is that elements and compounds wil react until they produce more stable matter,

Na metal and Cl2 are very reactive.   When they react with each other they become more stable as the Na+ and Cl− ions

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26.32 because z easy

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