Consider the reaction Fe(s) + 2HCl(aq)FeCl2(s) + H2(g) Based upon the stoichiometry of the reaction the sign of Sºrxn should be . Using standard thermodynamic data (in the Chemistry References), calculate Sºrxn at 25°C. Sºrxn = J/K•mol

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

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?