This reaction is unbalanced. If you balance it, it would be:
2Al + 6HCl --> 3H2 + 2AlCl3
That way there are two aluminums on each side, six hydrogens on each side, and six chlorines on each side.
Answer:
chemical change because gas formation was observed along with a color change, which indicated that the copper sulfate pentahydrate was transformed into a different substance
Explanation:
i took a test
Answer:period, spring constant, radius of circular part, velocity of the test mass, mass of the test-mass, mass of the hanging mass
Explanation: