How many protons are in an Fe2 + ion?

When the reaction shown is correctly balanced, the coefficients are HNO3 + KOH → KNO3 + H2O

Are the relationships in group 7a consistent with the periodic trend that you have been studying

Molar mass of Fe2O3 = g/mol

Water ice has the chemical formula H2O (s). A block of ice melts to become liquid water, H2O (l). This change can be represented as: H2O (s) → H2O (l) Is this representation a chemical reaction? Why or why not? 1.

A solution contains. 36 g sodium hydroxide in 500 ml what is the ph

100 ml oxygen at 1.75 atm and 200ml nitrogen at 0.6 atm are passed to a 500 ml vessel. Calculate the total pressure of the mixture in the vessel at same temperature

Which is the best metal to use in an alloy to increase its electrical conductivity

Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor. a. True b. False

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?

Why does a gas fill completely the vessel in which it is kept?