Acoefficient of "1" is understood. choose option "blank" for the correct answer if the coefficient is "1". koh + cu(no3)2 → kno3 + cu(oh)2

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Nonpoint source pollution is difficult to control because it

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 ?