ACE inhibitors are associated with the development of nephropathy by causing a drastic drop in GFR in patients with bilateral renal artery stenosis?

What is the relation between concentration of reactants and the rate of chemical reaction?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Which element is least likely to undergo a chemical reaction