Which of the following measurements is used to measure the enthalpy of combustion?
A. Measuring the change in temperature of a beaker of water.
B. It cannot be measured, only calculated using the equation: q = mcAT.
OC. None of these
D. Measuring the change in temperature when two liquids are mixed.

Which statement can best be concluded from the ideal gas law?

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space