Multiply the following and express your answer in appropriate scientific notation, and a correct number of significant figures. (
8.7
×
10
11
)
×
(
1.1
×
10
−
44
)
(
8.7
×
10
11
)
×
(
1.1
×
10
-
44
)

What substance has a mass of 9.5g and volume of 2.1cm^3

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.