Find the total heat of a material with a specific heat of .225 J/g*C. The material has a mass of 212 grams and it
has warmed from 22 degrees Celsius to 88 degrees
Celsius.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

The table below shows a comparison of the different gas laws. some cells have been left blank. name variables constants equation boyle's law pressure, volume ? pv = k charles’s law volume, temperature ? v = kt ? temperature, pressure volume, moles of gas p = kt ? pressure, temperature, volume ? which are assumed to be constant while using the combined gas law? 1. pressure 2. number of moles 3. volume and moles of gas 4. pressure and temperature