Cho 1 luồng khí CO đi qua ống sứ đựng 0,04 mol hỗn hợp gồm FeO và Fe2O3 đốt nóng. Sau thí nghiệm thu được 4 chất rắn có khối lượng 4,784g. Khi đi ra khỏi ống sứ hấp thu vào dung dịch Ca(OH)2 dư thu được 4,6g kết tủa. Tính % khối lượng FeO và Fe2O3 trong hỗn hợp ban đầu

If i add water to oil what will happen

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give