What is the final temperature of a 27.2-gram wooden block that starts at 23.4°c and loses 759 joules of energy? the specific heat capacity of wood is 1.716 joules/gram degree celsius. use the formula q = mcδt. a. 7.1°c b. 10.9°c c. 16.3°c d. 39.7°c

50 pts plz what is the physical state of matter of baking soda.

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant