HEP ASAP PLEASE 13. If the concentration of copper in a water sample is 6 parts per million, how much
copper is in 5.0 liters of solutions? (Assume the density of the solution is the same as
water.)

What is avogadro’s number, and why is it useful

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f