Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it? (Work: W = Fd) 0.5 m 2 m 250 m 750 m'

How do insects or small animals become preserved in amber

400 ml of a gas (@stp) has a mass of 0.792 g. what is the molecular mass of this gas

Complete ionic, net and spectator ions for the following 1. ZnBr (aq) + AgNO3 (aq) 2. Ca (OH) 2 (aq) + Na2SO4 (aq) 3. Al (NO3) 3 (aq) + Na3PO4 (aq) 4. FeSO4 (aq) + Ba (OH) 2 (aq)

A gas occupies a volume of 0.560 L in a flexible container at a temperature of 393 K. To what temperature must the gas be lowered if we desire it to occupy a space of 0.400 L?

A compound is 44.7% P and the rest O. Determine its emperical formula.

Will a parachute slow a skydiver more at a very high altitude or a lower altitude?

Carbon monoxide is: Only found in large cities An odorless, colorless, toxic gas Healthy to breath in A danger when driving on the open highway

What is a potential benefit of fuel cell cars? increased efficiency converting gasoline to energy no recharging necessary decreased automobile cost larger engines

Water is a great solvent. For example, it causes ionic compounds like sodium chloride (table salt) to dissociate. One of these reasons that water does is because it is polar molecule.

For most compounds with a single keto group in the molecule, equilibrium favors the keto form over the enol form of the compound. this is due largely to what?