A piece of metal ore weighs 8.25 g. when a student places it into a graduated cylinder containing water, the liquid level rises from 21.25 ml to 26.47 ml. what is the density of the ore? 0.312 g/ml 1.58 g/ml 3.21 g/ml 0.633 g/ml

In an industrial process, the temperature of a fixed amount of gas in a rigid container drops from 50 degrees Celsius to 25 degrees Celsius. What will be the final pressure in the container if the initial pressure is 3.6 atmospheres? A). 1.8 atm B).

You're a little baby sister knocks over the vase of flowers on the table what kind of force is your baby sister

How many grams of iron are needed to produce 7.2 x 1022 particles of FeCl3?

What is vestigal structure

Calculate the pH of a 2.0 M solution of HClO4?

How do you find the ph of water

How many total electron will fit in the 1st energy level

Which statement best explains how the models differ? Model A shows the formation of ions, and model B does not show the formation of ions. Model A does not show the formation of ions, and model B shows the sharing of electrons.

What is the enthalpy of combustion (per mole) of C3 H8 (g) ?

Describe how speed, velocity and acceleration are related?