If we reverse the reaction to read z + q → x + y, the +δh would be a -δh. does this indicate that heat is given off or absorbed in the reverse reaction?

Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Which statement describes james chadwick’s discovery.