A rigid container holds 1.50 moles of H2(g) at a pressure of 0.500 atm. What mass of CO2(g) must be added to this container to increase the total pressure to 1.00 atm

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

What is the most stable monatomic ion formed from nitrogen

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?