Imaginate que estás en una habitación en invierno. La temperatura del ambiente es de 2º C. Como la temperatura es muy baja, encendes la estufa y cerras la puerta. Al cabo de una hora, te empieza a doler la cabeza ¿Por qué? ¿Qué harías para solucionarlo?

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.