Determine the molar masses for each of the following elements, compounds, or molecules. Remember to round to the proper amount of Sig Figs! Cu(OH)2 _ g/mol
Na2WO4 _ g/mol
Pd _ g/mol
KMnO4 _ g/mol
NH3 _ g/mol

Identify and describe the three ways that mutations affect organisms.

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added