4. If 14.7 g of calcium is placed in 11.5 g of water, what mass of hydrogen gas is produced?
__ Ca + __ H2O → __ Ca(OH)2 + __ H2
please show work

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What statement goes against the kinetic theory of gases

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c