Chemistry, 23.02.2021 04:30, dfbernalloboguerrero
Which of the following is the best representation of a heterogeneous mixture ?
A; sand and water
B; perfume
C; Gatorade
D; koolaid and water
Answers: 2
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Which of these are physical changes in matter? check all that apply boiling water a pencil being sharpened exploding dynamite freezing water rotting cheese
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Type the correct answer in each box. balance the chemical equation.__ n203 ➡️ __ n2 +__ o2
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Which of the following is the best representation of a heterogeneous mixture ?
A; sand and water