How is a chemical property different from a chemical change

Quando se deseja saber se uma pessoa está com febre, é comum colocar a mão na testa dela, para sentir se está quente. formule duas explicações para o que acontece nessa situação, uma microscópica e outra microscópica?

Average velocity is different than average speed because calculating average velocity involves? a. distance b. time c. motion d. displacement

Make the following conversions A. 1500mL L B. 2km to cm C. 5.8dg to mg D. 22°C to K

What factor gives citizens' groups influence over legislators on environmental issues? Question 4 options: They can give interviews to the media. Their members vote in elections. They have a great deal of money. Their leaders can run for office.

A photon is a quantum of light energy. a. True b. False

4. The amount of distance you need to stop the car increases with specu. A. true B. false

What are the three most abundant gases in the dry atmosphere?

What happens when you open a soda? Why?

car A start 10 meters ahead of car B. Car A moves at v = (3.0i+0j) m/s and car B moves forward at v = (7.0i+0j) m/s how many seconds does it takes car B to catch up

How does scientific knowledge develop through making observations about the natural world?