Escriba las reacciones balanceadas de combustión de: etano
octano
butano
n-propano
1-botanol
etanol
metanol
1-propanol​

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?