Answer:
A. Bubbles formed
Explanation:
When a student added a piece of limestone to a solution of hydrochloric acid, bubbles are formed.
The bubbles are as a result of the CO2 gas that is formed.
Below is the reaction:
CaCO3+2HCl → CO2+H2O + Ca++ + 2Cl-
From the left hand side, we can see that the reaction is with limestone and hydrochloric acid. Their reaction forms carbon dioxide gas (CO2), water (H2O), dissolved calcium (Ca++) and dissolved chlorine (Cl-) on the right hand side.
With due observation, bubbles will be seen evolving from the reaction. These bubbles formed is the carbon dioxide gas which reveals that a reaction is taking place.
Answer:
Okay, here's is what I think the correct answer is:
Explanation:
1. American Motors works on designing a smaller car
2.The last Pacer is made
3. The Pacer is called "the car of tomorrow."
4. American Motors is bought out.
Answer:
Lemmings
Rabbits
Explanation:
Lemmings, several lemmings, are the snow owl's favorite dinner. Upwards of 1,600 lemmings per year, or four to six a day, can be consumed by an adult. With mice, rats, insects, and fish, the birds augment the diet.
Answer:
his devotion to music and art
