What are allotropes of oxygen?

What is the purpose for eating food

Suppose you wanted to dissolve 294.3g of H2SO4 in 250 mL of H2O. A. What is the solute? explain B. What is the solvent? explain C. What is the molarity of the solution?

Which tags do not depend on a silicon microchip and use plastic or conductive polymers instead of silicon-based microchips allowing them to be washed or exposed to water without damaging the chip?

Rebekah finds that a solution of sugar in water has volume of 1.32 go oz how should she report this amount using the metric system (1 fl. oz. = 29.6mL)

What is the most threatening, long term, aspect of nuclear fallout? A) intense light B) explosive power C) thermal exposure D) radioactive contamination

What force (in newtons) is required to accelerate a body with a mass of 32 kilograms at a rate of 12 m/s2? If a body with a mass of 4 kg is moved by a force of 20 N, what is the rate of its acceleration?

A. draw the structure of the tetrahedral intermediate initially-formed in the reaction shown. reactions of esters with

The water level in a graduated cylinder stands at 20.0 ml before and at 26.2 ml after a 16.74 g metal sample is lowered into the cylinder. what is the density of the sample. what metal is the sample most likely to be

What are the tube feet on a star fish

What kingdom is humans in!