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☆☆☆☆☆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.
yes, one of the definition of a base is that they produce OH- ions
The pH is the negative log of [H+].
A down-filled coat
The concentrations of the reactants
Fractional distillation method of separation is based upon differences between boiling points of components.
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 triple point is the temperature where solid, liquid and gas phases coexist.
The direction is from a high temperature to a low temperature.
(PO4)3- is considered the conjugate base.
