The amount of lead in drinking water is 0.025 mg/l. express this concentration in molality. {molar mass of lead is 207.2 g/mol and the density of water is 1.00 g/cm.}

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?