Determine if the following equations are balanced or unbalanced a. Zn + HCl> ZnCl 2 + H 2
b. 2Na + H 2 > 2NaH
c. Al + Fe 2 O 3 > Fe + Al 2 O 3
d. MgBr 2 + Cl 2 > MgCl 2 + Br 2
e. C 3 H 8 + O 2 > H 2 O + CO 2

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If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Element before carbon on the periodic table