A alloy consist of 70% aluminum and 30% magnesium by mass. What will be it's density, of the relative density of aluminum I'd 2700kg/m3 and the relative density of magnesium is 1740kg/m3
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Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

What is the relationship of air masses and the temperature of oceans?

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)