La capsaicina es el componente activo de los pimientos picantes responsables de la irritación y la sensación de ardor en la boca. Su fórmula molecular es C18H27NO3 y su masa molar es 305.41 g/mol. ¿Cuántos mmoles de de capsaicina hay en 83 mg de esta sustancia?

Express the following number in scientific notation. 0.026890 =

Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

How many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride