Chemistry, 05.10.2019 13:00 yilianblanco
Which of the following observations would indicate that a material is a pure substance? it does not dissolve in water. it changes color after heating. it cannot be physically broken down into different types of atoms. it can be physically broken down into different types of molecules.
Answers: 1
Chemistry, 22.06.2019 06:00
How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
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Chemistry, 22.06.2019 12:00
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
Chemistry, 22.06.2019 13:50
Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.
Answers: 3
Chemistry, 22.06.2019 14:30
Chemistry worksheet - i am not sure what they are asking for exactly?
Answers: 1
Which of the following observations would indicate that a material is a pure substance? it does not...
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