The concentration of hydrogen ions [h+] in a solution is 4.5 * 10-2m. what is the ph?

A sealed container of nitrogen gas is at 1000.0 kPa pressure and at a temperature of 20.00 °C. The container is left in the sun, and the temperature of the gas increases to 50.00 °C.

What is the name for the Fe2 + cation? Iron ion Iron (II) ion Ironide Ferride ion

Draw the structures of the starting materials used to synthesize 3-methylbutyl propanoate. (draw the structures in the single sketchpad shown. draw only the structures - do not include a plus sign.)

What do you call the abiotic and biotic factors together

If 1.20 moles of copper react with mercuric nitrate how many moles of mercury form

Why does an apple fall toward the earth, instead of the earth moving toward the apple?

If the moles and temperature of a gas are held constant, the pressure of a gas doubles when: Volume is halved Volume is quadrupled Volume is doubled Volume is also held constant

The life function of transport in an organism directly involves those activities used to 1. absorb and distribute materials 2. obtain and hydrolyze materials 3. release energy from food 4. produce cellular waste product

What is the orbital diagram for phosphorus

The atoms of gaseous helium are