Explanation:
They are called consumer testing or comparative testing, is a process of measuring the properties or performance of products. ... Product testing might be accomplished by a manufacturer, an independent laboratory, a government agency, etc. Often an existing formal test method is used as a basis for testing
hope this helps
Answer:
second answer
Explanation:
The melting point would occur more quickly but stay the same.
So it is answer 2
Answer:
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Explanation:
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B; Seismometer would be the answer.
Molality= moles of solute /kg of solvent
moles of solute= mass/molar mass
moles of solute= 3.94 g / (342 g/mol)
moles of solute= 0.01 mol
molality= 0.01 mol / 0.285 kg
molality= 0.04 m
