Answer:
D. cis-2-pentene (looks like a frying pan)
Explanation:
pentane looks lihe the letter M
2-methylpentane looks like YV
2-pentyne looks like an upside down L
Mixture is a combination of two or more substances. The components of the mixture are not chemically reacted and can be separated using physical means.
compound is a combination of two or more substances that are chemically reacted or bound together. The components of the compound cannot be separated except by chemical reactions.
Answer:
<span>(4) consist of two or more substances</span>
Answer:
Dolphins use a method called echolocation to detect things such as obstacles and prey in the water. If a dolphin swimming in seawater at 25°C sends a 220-dB click with a frequency of 120.0 Hz, and then detects the reflection of the click exactly one-twentieth of a second later, approximately how far away is the object?
