What did the invention of the scanning tunneling microscope allow scientists to do for the first time?
a) observe individual atoms
b) create new kinds of atoms
c) identify particles inside atoms
d) increase the size of atoms

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

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate