2science questions! !


(1) measure the mass of half a cup of vinegar and half a cup of baking soda. now when you mix the two substances together, why does the mass decrease over the course of the reaction (mixing vinegar and baking soda)? explain in 3-5 sentences.

(2) what caused the bubbles in the reaction (mixing vinegar and baking soda)?

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

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.

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution