What is the pressure in a 28.0-L cylinder filled with 46.7 g of oxygen gas at a temperature of 319 K ?

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li