Which of the following is true regarding acids and bases?

a. acids and bases will react only outside living systems.
b. acids contribute hydroxide ions in solutions; bases produce hydronium ions in solutions.
c. acids are slippery to the touch; bases are able to burn your hands.
d. both acids and bases cause indicator dyes to change colors.

Calculate the number of moles of ethane in 100 grams

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 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.

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive