A reaction occurs in a calorimeter, resulting in the starting and final temperatures shown below. What can you say about the reaction and the enthalpy change (ΔH) during the reaction? Starting: 21.0 C Final: 38.8 C

Which one of these is an example of a chemical change.? A - water evaporating from a puddle B - cloth tearing when pulled C - wood forming sawdust when cut D - bread baking in an oven

Which of the following alcohols is used antifreeze?

Is boiling water considered physical or chemical bond

the total number of atoms in 3.20 moles of C2H6O.

What is the volume occupied by 6.56 kg of al

Which part of the body does colchicine affect the most

Balance and identity the type of chemical reactions. Mg (s) + HNO3 (aq) - > H2 (g) + Mg (NO3) 2 (aq)

Which radioactive element is used to determine the absolute age of late pleistocene animal remains?

Compare the practical uses and limitations of nuclear fission and fusion. Include in your answer a detailed description of the two processes, comparing and contrasting them in terms of the types of atoms involved, the conditions needed to get the

Why can two igneous rocks have the same minerals but different names?