Lead is an element so it is a pure substance.
The heat needed to raise the temperature of 1 g of a substance 1° C - apex
PPM = Parts Per Million.
1 ppm = 0.0001%
No you can not, Even if you could use a external pump, you would still have to take the pump out of the tank and modify the sending unit so it would pick up the fuel and pump it.
a rational expression.
There are eight associate justices on the US Supreme Court.
You think probable to an endothermic chemical reaction.
PV=nRT
The placebo effect can causes the dependent variable to change without any causative reason. This distorts the results for the control set in an experiment.
The direction is from a high temperature to a low temperature.
(PO4)3- is considered the conjugate base.