A 15 g ice sample at -5°C is heated to water at 100°C. Calculate the ampount of heat needed. Specific heat of water and ice are 4.184 J/g °C and 2.108 J/g °C respectively. And heat of fusion is 6.01 kJ/mol

Which characteristics can be used to differentiate star systems? check all that apply.

‘which reaction would most likely require the use of an inert electrode?

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals