How much energy would it take to heat a section of the copper tubing that weighs about 630.0 g , from 13.12 ∘c to 27.91 ∘c ? copper has a specific heat of 0.3850 (j/g)⋅∘c.
express your answer to four significant figures.

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?

Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n): a. observation. b. measurement. c. theory. d. natural law. e. experiment.