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Why reaction between phosphorus and oxygen produces four atoms of phosphorus and five atoms of oxygen
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Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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Which of the following units is not an official si unit? mole liter kilogram ampere
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4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
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Why reaction between phosphorus and oxygen produces four atoms of phosphorus and five atoms of oxyge...
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