Calcula la masa molar de los siguientes compuestos 1.-Óxido Férrico= Fe₂O₃
2.-Agua= H₂O=
3.-Metano= CH₄=
4.-Hidróxido de sodio= NaOH=
5.-Cloruro de sodio= NaCl

C=59(f−32)the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 59 degree celsius. a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit. a temperature increase of 59 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius. a) i onlyb) ii onlyc) iii onlyd) i and ii only

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 3.75 mol fe and 8.70 mol nio(oh) react?

Using the empirical formula, calculate the formula weight of the compound. use the periodic table to you. type the correct answer in the box. round your answer to three decimal places.