Determine the specific heat capacity of an unknown substance if 47.5 g block of the substance at 78.9 °C is placed in 78.5 g of water at 8.20 °C and the final temperature of

the block is 23.6 °C.

please help <3

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

Qrepresents joules in the formula

#2- the hno3 has a h+ ion and the naoh has an oh- ion