Joyce has a mixture of oil and powdered sugar. the tiny pieces of sugar do not mix evenly with the oil and they do not settle to the bottom. they stay in the oil making it look cloudy. joyce adds water to the container, closes the lid, and shakes it. after she lets it settle, the sugar is no longer in the oil. the oil forms a layer that floats on top of the water and looks clear. how did she separate the powdered sugar from the oil?
Answers: 1
Chemistry, 22.06.2019 16:30, Eddie997
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)β4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 23.06.2019 00:50, trinityine
50 points! need answer asap. what type of organic compound contains the following functional group? (2 points)
Answers: 3
Chemistry, 23.06.2019 11:00, artiomtyler007
Find the enthalpy of neutralization of hcl and naoh. 87 cm3 of 1.6 mol dm-3 hydrochloric acid was neutralized by 87 cm3 of 1.6 mol dm-3 naoh. the temperature rose from 298 k to 317.4 k. the specific heat capacity is the same as water, 4.18 j/k g. a. -101.37 kj b. 7055 kj c. 10,1365 kj
Answers: 1
Chemistry, 23.06.2019 13:20, brainbean
Use the periodic table to answer the following questions. what is the predicted order of first ionization energies from highest to lowest for beryllium, calcium, magnesium, and strontium? o be > ca > mg > sr o be > mg > ca > sr o ca > sr> be > mg o sr > ca > mg > be done
Answers: 1
Joyce has a mixture of oil and powdered sugar. the tiny pieces of sugar do not mix evenly with the o...
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