Which of the following correctly gives the best coefficients for the reaction below? Zn + HCl → ZnCl2 + H2

2, 4, 2, 4

1, 2, 1, 4

1, 2, 1, 1

2, 1, 1 ,1

1, 1, 2, 1

Thank you for the help in advance.

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi

What is the popular use of lithium batteries