Which of the following compounds is a covalent (i. e., molecular) compound?

a. na2co3

b. naoh

c. c2h4o2

d. mgbr2

What is the value of keq for the reaction expressed in scientific notation?

How have the greenhouse gasses increased from the year 2000 to 2018

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