When a turbine rotates to produce electricity, what energy transformation takes place?

If the temperature changes by 100 K, by how much does it change in °C? 273°C 100°C 37°C - 0°C

Check all items common to bases: a-minerals b-metal c-gas d-H+ e-OH- d-nitrogen

Nuclear energy is associated with protons and neutrons. protons and electrons. neutrons and electrons.

What is the total pressure exerted by the mixture of gases only products or products + reactants?

An atom of oxygen is in the excited state. when an electron in the atom moves from the third shell to the second shell energy is

Two students design an experiment to see if pushing or pulling a box across the floor is more effective. The first student pushes the box across the floor a distance of 20 feet and the second student times how long it takes.

15.00 g of NH4HS (s) is introduced into a 500. mL flask at 25 °C, the flask is sealed, and the system is allowed to reach equilibrium. What is the partial pressure of ammonia in this flask if Kp = 0.108 at 25 °C for: NH4HS (s) ⇄ NH3 (g) + H2S (g) ?

Among elements 1-18, which element or elements have the smallest effective nuclear charge if we use the equation zeff=z-s to calculate zeff? check all that apply.

Two clear solutions are placed in separate beakers. The first solution has a pH of 4, and the pH of the second solution is unknown. If the two solutions are mixed and the resulting pH is 5, the second solution must have

Based on its location on the periodic table, which element (s) have properties similar to N? Choose all that apply. * P C O Bi