The energy required to start a reaction is called

ionization energy

kinetic energy

electronegative energy

activation energy

A bottle of 2 moles of an ideal diatomic gas experiences a temperature increase of 50.0K at constant volume. (a) Find the increase in internal energy if only translational and rotational motions are possible.

How do the cause of surface and deepwater currents drift

Why is alchemy not considered a science

Which would dissolve faster individual salt crystals a big block of salt

A sample of ideal gas is in a sealed container. The pressure of the gas is 705 torr, and the temperature is 19 ∘C.

What is the percent by mass of nahco3 in a solution containing 10 g of nahco3 dissolved in 400 ml of h2o?

Consider the reaction: 2clf3 (g) + 2nh3 (g) → n2 (g) + 6hf (g) + cl2 (g) when calculating the δh°rxn, why is the δhf° for n2 not important?

12.5 g of copper are reacted with an excess of chlorine gas, and 25.4 g of copper (II) chloride are obtained. Calculate the theoretical yield and the percent yield.

Section 20.1 the meaning of oxidation and reduction answer key

How did fossil fuels come about? inorganic materials beneath the sea the remains of plants and animals millions of years old only dinosaur fossils sedimentary rocks on the tops of mountains