What common laboratory measuring device will we likely always use in experiments that measure enthalpy changes?

A floating ice block is pushed through a displacement d = (13.5 m) i + (-14.3 m) j along a straight embankment by rushing water, which exerts a force f = (230 n) i + (-165 n) j on the block.

A pulley of diameter 15.0 cm is driven by a motor that revolves at 10 rpm. the pulley drives a 2nd pulley with diameter 10.0 cm. find the rpm of the 2nd pulley

Which of the following is the best reason that trees care important for overall air quality?

Name two examples of complex molecules

How do the gravitational and electrical forces between a proton and a neutron compare

As energy moves in waves through the water, the water moves a. in waves toward shore. c. in the direction of the waves. b. in a small circular movement. d. against the current.

Which of the following values represents an index of refraction of an actual material? A. 0 B. 1 / 4 C. 5 / 4 D. 1 / 2

Which statement best describes the effect of scientific advances on society? A. They always have a positive impact on society. B. They are inspired by the needs of society. C. they do not affect society beyond the community level. D.

Which way does wind blow, A. horizontally, B. Only from east to west, C. Only from West to east, D. vertically

If you were asked how to evaluate scientific evidence, what would you would want to include in your answer?