The formation of which product (s) will most likely be observed in a combustion reaction?

What is the molar mass of a substance? the mass in grams of one mole of a substances the number of particles in one gram of a substance the number of moles in one grár of a substance the mass in grarns of one particle of a substance

A 40.5 g block of an unknown metal is heated in a hot water bath to 100.0°C. When the block is placed in an insulated vessel containing 130.0 g of water at 25.0°C, the final temperature is 28.0°C. Determine the specific heat of the unknown metal.

Are two atoms with different amounts of neutrons the same element or different elements?

How much heat is released during the process described?

Which pair of substances would most likely result in the production of a solid when reacting with a base? litmus and phenolphthalein soluble metal salt and carbon dioxide acids and water hydrogen ions and soaps

12) _Na + _H2O → ___ NaOH + __H2

Match the mineral categories to their best descriptions. a. sulfide mineralsminerals that have a sulfur atom surrounded by four oxygen atomsb. sulfate mineralstable salt is an example of this type of mineralc.

A covalent bond is best described as Question 1 options: the sharing of electrons between atoms. the transfer of electrons. a bond between a metal and a nonmetal. a bond between a metal and a polyatomic ion.

If you have 100 grams of H2, how many moles of H2 is that?

Consider four elements from Group 7A: fluorine in the second period, chlorine in the third period, bromine in the fourth period, and iodine in the fifth period. Which element has the largest first ionization energy?