Glacier and erosion in a sentence

If a particular ore contains 58.3 % calcium phosphate, what minimum mass of the ore must be processed to obtain 1.00 kg of phosphorus?

How many atoms are in 0.6 mol of iron? 1. 36.3 atoms 2. 1.08x10^23 atoms 3. 3.91x10^23 atoms 4. 9.26x10^23

Which can associate a suspect's gun with a crime?

Imagine that a chemist is trying to establish whether a piece of rock is from a meteorite that fell from outer space. the rock contains more copper-65 atoms than copper - 63 atoms. what can you conclude

Why did scientists pre-Lavoisier believe that matter was destroyed in the burning fire experiment?

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?

What is the empirical formula for a compound if a sample contains 3.72g of p and 21.28g of cl?-pcl5-pcl3-p2cl10-p2cl5

Use the equation 2HgO--> 2Hg+O2 to find how many moles of mercury are produced if 27 g of oxygen are produced. 2.1 1.3 2.6 2.4

How much mass does an electron, proton, and neutron have?