6.0 g of gold was heated from 20.0°C to 22.0°C. How much heat was applied to the gold? The specific heat of gold is 0.13 J/gºC. (I need to explain why also )

A. 17J
B.32J
C.16J
D.1.6J

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Once similarity and one difference between a mixture of elements and a mixture of compounds

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced