The decomposition of water is used to show which of the following?
water is an element.
water is a mixture.
water is a liquid.
water is a compound.

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

How many valence electrons are in atom of radon?