Is heating sulfur and copper a physical or chemical change?

What is the ability of a surface to reflect sunlight called? Facies Albedo Regression Transgression

How does technology limit the future of space exploration? A. Scientists are able to work both with current and future technology. B. Scientists must first develop certain technologies before missions can be completed. C.

What are three substances that are solid at room temperature

What type of reaction is the generic equation a + bc → ac + b?

After decaying for 48 hours, 1/16 of the original mass of a radioisotope sample remains unchanged. What is the half life of this radioisotope

you see a structural formula and which the symbols for elements are connected by a long Dash you can assume that the chemical bonds in the compound are

What volume (in mL) will a sample of F2 gas occupy in a syringe at 5.5 atm, if the F2 has a volume of 25.0 mL at 1.2 atm? Group of answer choices 11 mL 17 mL 3.8 mL 5.5 mL 7.6 mL

A sentence in potential energy

Which of these substances is a pure substance? 1. hydrogen gas 2. the liquid called tea 3. Coca cola

Activation energy is defined as