Convert 850cal into joules.

13. What instrument is used routinely to check a person's exposure to radiation? Geiger counter scintillation counter film badge moderating rod

5) Low iron concentration (as low as 0.02 nM) in the open ocean limits phytoplankton growth. Preconcentration is required to determine such low concentrations. Trace Fe3 from a large volume of seawater is concentrated onto a 1.

Which ranks these materials by the attraction between their atoms from the weakest to the strongest? a. oxygen gas, liquid water, liquid honey, solid iron ore b. liquid water, liquid honey, oxygen gas, solid iron ore c.

Copper and silver are examples that will form what bond

Which atom will have unpaired 3d electrons? Zn, Fe, Ca or Ge

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.

An atom has seven valance electrons which element could have this type of atom

How is the ocean important to human survival? restate the question

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?