Answer:
a. energy changes during heating.
b. energy changes during chemical reactions.
c. color changes during chemical reactions.
d. Both (a) and (b)
Explanation:
The answer is D.Both (a) and (b)
Answer:
Go talk to people more and dont rush things
Explanation:
Youll get one in time
Adding perchloric acid to water would cause it's conductivity to increase.
Answer:

Explanation:
Hello,
In this case, we can first compute the volume of the sample in mL from the ounces:

Thus, with the volume of the sample, we can compute the amount of sugar given the 10 g of sugar per 100 mL of soft drink as shown below:

Best regards.