A585−g piece of copper tubing is heated to 89.5°c and placed in an insulated vessel containing 159 g of water at 22.8°c. assuming no loss of water and a heat capacity for the vessel of 10.0 j/°c, what is the final temperature of the system (c of copper = 0.387 j/g·°c)?

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)