입자들이 일정한 모양과 일정한 부피를 가지는 물질의 상태는 무엇인가요?
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입자들이 일정한 모양과 일정한 부피를 가지는 물질의 상태는 무엇인가요?
What is the change from a gas directly to a solid, skipping the liquid state, called?
What should a student always wear to protect the eyes when working with chemicals?
Which coefficients balance __KClO₃ → __KCl + __O₂?
At 20 °C, about 36 g of NaCl dissolves in 100 g of water. If 50 g of NaCl is stirred into 100 g of water at 20 °C, what happens?
When mercury(II) oxide is heated, it reacts as 2HgO → 2Hg + O₂. What type of reaction is this?
Alkanes follow the general formula CₙH₂ₙ₊₂. What is the formula of the alkane with 4 carbon atoms?
Zinc reacts as Zn + 2HCl → ZnCl₂ + H₂. What mass of zinc (65 g/mol) reacts completely with 50 mL of 2 M HCl?
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