Se tienen dos recipientes con 500 ml. De metanol. En el recipiente 1 se tiene metanol puro, mientras que en el 2 , se tiene una solución al 2% en volumen de metanol . Si se sabe que un trago de l0 ml. Del recipiente 1 causa la muerte a quien lo ingiera , para que se de el mismo efecto al beber del recipiente 2 . Es necesario ingerir:

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability

How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?