Electronegativity is the comparative ability of atoms of an element to attract bonding electrons.
a. true
b. false

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Steam reforming of methane ( ch4) produces "synthesis gas," a mixture of carbon monoxide gas and hydrogen gas, which is the starting point for many important industrial chemical syntheses. an industrial chemist studying this reaction fills a 1.5 l flask with 3.5 atm of methane gas and 1.3 atm of water vapor at 43.0°c. he then raises the temperature, and when the mixture has come to equilibrium measures the partial pressure of carbon monoxide gas to be 1 .0 atm. calculate the pressure equilibrium constant for the steam reforming of methane at the final temperature of the mixture. round your answer to 2 significant digits.