What would be the final temperature of the system if 21.2 g of lead at 113 ◦c is dropped into 14.8 g of water at 28.9 ◦c in an insulated container? the specific heat of lead is 0.128 j/g◦c.

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

Correct relationship between molecular formula and empirical formula

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons