Que importancia tuvieron las organizaciones cientificas para comunicar los nuevos modelos y teorias en la organizacion de las sustancias en la sugunda revolucion quimica necesito ayuda urgente seria genial si alguien pudiera responderme los antes posible

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !