Cutting, melting, bending, or crushing are examples of what kind of change?

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

When balancing a chemical equation: