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Why are masses in chemistry lab usually determined by a difference method?
Wiki User
∙ 9y ago
I suppose that you think to tared weight. Net weight is the difference between gross weight and tared weight.
Wiki User
∙ 8y ago
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How is the mass defect determined?
The mass of a nucleus is subtracted from the sum of the masses of its individual components.
What is the difference between the masses of sodium bicarbonate and calcium carbonate?
Sodium bicarbonate is NaHCO3, Calcium carbonate is CaCO3.
How is the average mass number of an element is determained?
The atomic number (the mass) of an element is determined by finding the masses of the isotopes of that element, adding them all together, and dividing by the number of isotopes. (The Atomic number is the average of all the masses.)
What is the difference between isotopes of the same element?
They have different numbers of neutrons. Due to a difference in number of neutrons, they also have different masses. For example, take the element carbon. Carbon could have six neutrons (12C) or eight neutrons (14C). Both 14C and 12C are isotopes of carbon and therefore have different masses.
What jobs use the periodic table?
Just about anything! You can do research on cleaner energy, or designing better detergent for your laundry (any house hold items really). The purpose of chemistry is to design new products that is more effective and safe. One of the funny jobs to hear about is designing golf balls!
When two unlike air masses meet what usually keeps them separate?
Density differences is usually what would keep air masses separate.
How is the mass defect determined?
The mass of a nucleus is subtracted from the sum of the masses of its individual components.
How is the average atomic mass of an element determined?
The atomic mass of an atom is determined by adding the number of protons, neutrons, and electrons in a single atom. The average atomic mass is a weighted calculation and is very similar to the atomic mass. This difference does not usually affect overall calculations. This difference is due to the different isotopes.
Weather is determined by the movement of?
air masses
How can stellar masses be determined by observing binary star systems?
Stellar masses can be determined by observing binary star-systems. The calculations of the orbits of the binary stars allow the masses of their component stars to be directly determined, which in turn allows other stellar parameters, such as radius and density, to be indirectly estimated.
How were the atomic number and the atomic masses of the elements determined?
Atomic masses are determined by mass spectrometry. The atomic number is identic with the number of protons in the atom - depends on position in the periodic table.
How do you calculate isotopic masses?
The atomic mass of isotopes is determined by mass spectrometry.
What is the mass of an atom mainly determined by?
The sum of masses of protons, neutrons and electrons.
Particles responsiblefor the difference in masses of isotopes?
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Atomic mass of an atom is determined by the combined masses of?
the atomic mass is determined by adding the weight of protons & neutrons
When two unlike air masses what usually keeps them separate?
Density differences is usually what would keep air masses separate.
What is the difference between popular theory and scientific theory?
Scientific theory can usually be proven by a repeatable experiment. Popular theory is just what the masses and media think.
