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How efficient are most conventional vehicles?
A. 75%<...
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Chemistry, 21.06.2019 23:30, jescanarias22
What’s the scientific notation for the number 6,840,000,000
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Chemistry, 22.06.2019 21:30, leenzazou587
Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.
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Chemistry, 23.06.2019 01:00, zitterkoph
Which of the following is a physical change? a. burning a piece of wood b. sawing a piece of wood in half c. rust forming on an iron fence d. a copper roof changing color from orange to green
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History, 25.12.2019 13:31
Physics, 25.12.2019 13:31
Mathematics, 25.12.2019 13:31
Physics, 25.12.2019 13:31
Mathematics, 25.12.2019 13:31
Mathematics, 25.12.2019 13:31