Astudent was asked to determine the densities of the four metals listed. the student was asked to determine the density of an unknown metallic substance. the metallic substance is an alloy. this particular alloy is a 50/50 mixture of two metals listed in the table. the student found the density of the alloy to be 9.32 g/cm3. according to the density, what two metals make up the alloy? a) lead and gold b) copper and tin c) copper and gold d) tin and lead

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons