N2 + 3H2 → 2NH3 This time, you’ll use a different method to count the atoms. Multiply the coefficient by the subscript for each atom. For example, to find the number of hydrogen atoms in 3H2, multiply 3 by 2. Use the following table to organize your work. Fill in the number of atoms in the reactants and products in the table.

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied