2 HCl + Ca(oh)2 ---------- CaCl2+ 2 H2O
Answer:
1. the distance of the object is staying the same over time
2. the distance of the object is increasing over time
3. the distance of the object is increasing rapidly
4. the object started gaining distance slowly then began to rapidly increase in distance over time
2SO₂ + O₂ = 2SO₃
n(O₂)=1 mol
n(SO₂)=2n(O₂)
n(SO₂)=2 mol
Physical change because the eraser doesn’t have an chemical reaction to it.
B)False
because photons dont have mass
