Me pueden ayudar por favor! Un bloque de osmio ocupa un volumen de 1535 cm3. ¿Cuánto pesaría el bloque?

Si un objeto estuviera hecho de oro con una masa de 650g. ¿Cuánto volumen ocuparía?

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?

How are isotopes of the same element alike?

Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased