What is the voltage of a galvanic cell with 1 silver electrode and 1 gold electrode?

How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.