Chemistry, 18.07.2019 13:30 ruthbarrera03p33d7n
Gold has a density of 19.3 g/cm3. how many grams of gold make up a gold bar that is 20.0 cm x 6.0 cm x 1.0 cm
Answers: 1
Chemistry, 23.06.2019 05:30
How many moles are in 1.26*10^24 particles in significant figures
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Chemistry, 23.06.2019 06:00
When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
Chemistry, 23.06.2019 09:00
What factor besides temperature affects the boiling point of water? a. mass b. number of moles c. volume d. pressure
Answers: 3
Gold has a density of 19.3 g/cm3. how many grams of gold make up a gold bar that is 20.0 cm x 6.0 cm...
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