A house key will vary in weight depending on the metal used and the size of the key. On average, a house key weighs about four ounces.
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its 5 grams
Properly, one measures mass in grams. 9 milliliters of 4 deg. Celsius water has the mass of 9 grams. That mass would be the same on any planet or even in near weightlessness in space.
Carbon dioxide has a molar mass of 44.0095 grams per mole. This means that one molecule of CO2 will have a mass of 7.308 E(-23) grams.
The answer depends on the average mass of each bead.
none, a mass structure is pretty much just like your house! its built to hold up weight.
Electrons weigh in at about 9.1 x 10^-28 grams and protons about 1.67 x 10^-24 grams, making the proton about 1,837 times heavier than the electron. This is roughly about the same weight of a rabbit compared to an elephant.