Chemistry, 26.02.2021 19:50 estebencampos69
Determine the ΔH of the following SiH4 (g) + 2O2 (g) → SiO2 (s) + 2H2 O(l)
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Chemistry, 22.06.2019 09:10
How have the greenhouse gasses increased from the year 2000 to 2018
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Chemistry, 23.06.2019 03:00
Air pressure is measured in pascals. for a professional american football game, the ball should be inflated to about 90,000 pascals. scientists studied the effects of air temperature on the pressure inside american footballs by taking these steps: 1. prepare 100 footballs. 2. measure each football's air pressure. 3. divide footballs into 10 groups. 4. place the groups in different lockers cooled to different air temperatures. 5. after 12 hours, remove the footballs from lockers. 6. measure each football's pressure again. 7. compare the new pressures to the starting pressures. what two terms best describe the variable "air pressure inside the football" in this experiment? independent, qualitative independent, quantitative dependent, qualitative dependent, quantitative
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Chemistry, 23.06.2019 09:00
Chortling is used to clean water. another possible atom that would also work is a. sodium b. sulfur c. bromine
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Chemistry, 23.06.2019 14:30
An atom of element x has one more shell of electrons than an atom of beryllium, but it has one less valance electron than beryllium. which element is x
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Determine the ΔH of the following SiH4 (g) + 2O2 (g) → SiO2 (s) + 2H2 O(l)...
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