Why is a pyramid used to describe the energy available at different layers in an ecosystem

The combustion of 3.42 gg of a compound known to contain only nitrogen and hydrogen gave 9.82g of NO2 and 3.85 g of water. Determine the empirical formula of this compound.

What tupe of ions will sodium and chlorine each form

Which of the followinWhich term describes this reaction? Upper C upper H subscript 3 upper B r (a q) plus upper O upper H superscript minus (a q) right arrow upper C upper H subscript 3 upper O upper H (a q) plus upper B r superscript minus (a q).

How many total atoms are in. 220g of P2O5?

MgO + HNO3 = Mg (NO3) 2 + H20

In this unbalanced reaction, which atom is oxidized? hno3 + hbr → no + br2 + h2o

Which of these types of electromagnetic radiation has the lowest energy?

Explain the processes of convergence and divergence

How do the electrons in bonds (bonding domains) differ from lone pairs (non-bonding domains) ?

Сколько граммов соли образуется, если в раствор, содержащий 9,8 г серной кислоты, добавим другой раствор, имеющего 10 г гидроксида натрия?