What are the two homologous structures?

Determine the empirical formula of kevlar, used in making bullet proof vests, is 70.6% c, 4.2% h, 11.8% n and 13.4% o.

What will most likely happen if a sound wave moves from the air through a solid? It will increase in wavelength. It will decrease in speed. It will increase in speed. It will decrease in wavelength

What is the simple sugar resulting from the hydrolysis of lactose?

What is the molar mass of PCL3

Cl2 (g) + 2NaBr (aq) 2NaCl (aq) + Br2 (l) The reaction given above is a single replacement reaction because: A. one of the reactants is a gas B. none of the reactants are solids C. chlorine replaces bromine D. the reaction proceeds spontaneously

What's the electron configuration of an N-3 ion

If 13.5 moles of oxygen are reacted with an excess of ammonia, how many moles of NO and of H2O are formes given the following equation. 4NH3+5O2 = 4NO + 6H2O

How do organisms change and why do they change

Which human body system does Erythrocyte most resemble and why

Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas the reactants in this reaction are