4. Balance the following equations (show work) a.___H2(g) +___O2(g) →___H2O(1)

b._Fe(s) +___O2(g)→___Fe2O3(s)

c.___Al(s) +___HCl(aq) →___AlCl3(aq) +___H2(g)

d._CaCO3(s) +_HCl(aq) →_CaCl2(aq) +_CO2(g) +_H2O(1)

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5