If I add together water and an effervescent tablet, will the total mass before mixing be less than, equal to, or greater than the mass after mixing?

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

Write the overall equation for the reaction for lithium battery

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.