Astudent is baking a cake at home and has placed several ingredients on the countertop. she has scooped some baking soda into a measuring spoon. she accidentally knocks over a cup of vinegar and several drops spill onto the spoon with the baking soda. the baking soda begins to fizz where the vinegar spilled on it. when the fizzing stops, the student notices that about half the baking soda on the spoon is gone and a liquid is now on the spoon. what happened to the baking soda?

a. evaporated into the air.
b. melted into the vinegar.
c. dissolves in the vinegar and forms a mixture.
d. combines with the vinegar and produces a new gas.

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions