Chemistry

Chemistry, 10.07.2019 14:50, melkumathurin

How we can measure the density of different wooden object?

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Chemistry, 11.07.2019 17:00, carolyvillanueva

Which statements describe density? check all that apply. 1-density is a chemical property of an object. 2-the density of an object is constant 3-density is a derived unit of measure. 4-density is the sum of the mass and volume of an object. 5-the density of an object determines whether it will sink or float.

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Physics, 18.07.2019 02:30, hidais

Density of wooden object 1. weigh the wooden object and record its mass mwood in table 11.2. then place the balance on the ring stand. 2. attach a metal sinker to the bottom of the wooden object (the sinker should weigh enough to submerge the object completely) and hang the combination from the balance hook. think about why you do not need to weigh the sinker! 3. place enough water in the large beaker so that the wooden object and sinker can be submerged completely without the sinker touching bottom. place the beaker on the lab jack. 4. raise the lab jack to submerge only the sinker, then measure and record the mass m, of the object/sinker combination. 5. raise the lab jack to submerge the entire object/sinker combination, then measure and record their combined mass mso- 6. use equation 11.2 to calculate and record the buoyant force fo (in newtons). 7. use equation 11.6 to calculate the density pwood of the wooden object. use the accepted value of the wood density (consult your textbook for this value) to calculate the percent error. b. density of wooden object table 11.2 mwood =0.012 kg mo = 0.072 kg mso = 0.055 kg fo=10.284 n prood = 4222.6 kg/m^3 ipted pwood = 420 kg/m^3

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Physics, 18.07.2019 03:40, jonmorton159

Which statements describe density? check all that apply. density is a chemical property of an object. the density of an object is constant. density is a derived unit of measure. density is the sum of the mass and volume of an object. the density of an object determines whether it will sink or float.

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Biology, 29.10.2019 17:31, coylenoah0

Which statements apply to density? check all that apply. > density is a chemical property of an object. > the density of an object is constant. > density is a derived unit of measure. > density is the sum of the mass and volume of an object. > the density of an object determines whether it will sink or float.

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