1.やさしい
Which process is exothermic (releases heat)?
- APhotosynthesis
- BEvaporating water
- CBurning methane gas
- DMelting a block of ice
Which process is exothermic (releases heat)?
How many moles of oxygen atoms are in 1 mole of carbon dioxide, CO₂?
周期表の縦の列を何と呼ぶか。
塩化物イオンの電荷はいくつか。
Which gas forms when hydrochloric acid reacts with calcium carbonate?
Why must temperatures be in kelvin in gas law calculations?
Which coefficients balance the equation for cellular respiration, __C₆H₁₂O₆ + __O₂ → __CO₂ + __H₂O?
1 M のHClと 1 M のNaOHを同じ体積ずつ混ぜた。結果のpHはおよそいくつか。
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