Chemistry, 23.11.2019 04:31 StrangerMo
Which of the following combustion reactions is balanced correctly? a. c4h6 + 5.5o2 4co2 + 3h2o b. c4h6 + 4o2 4co2 + 3h2o c. c4h6 + 11o2 4co2 + 3h2o d. c4h6 + 1.5o2 4co2 + 3h2o
Answers: 1
Chemistry, 21.06.2019 20:50
Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread
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Chemistry, 22.06.2019 09:30
1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle
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Chemistry, 22.06.2019 19:40
What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m
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Which of the following combustion reactions is balanced correctly? a. c4h6 + 5.5o2 4co2 + 3h2o b. c...
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