A student places 14.8 mL of water in a graduated cylinder. The mass of the water and the graduated cylinder is found to be 41.721 grams, and then the balance is tared. After adding a number of metal pellets to the graduated cylinder, the liquid level in the cylinder is now 28.8 mL. The cylinder with the water and metal pellets is placed back on the balance, and the measured mass is 71.371 grams. Calculate the density of the metal pellets in g/mL. Do not include units in your answer.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
A student places 14.8 mL of water in a graduated cylinder. The mass of the water and the graduated cylinder is found to be 41.721 grams, and then the balance is tared. After adding a number of metal pellets to the graduated cylinder, the liquid level in the cylinder is now 28.8 mL. The cylinder with the water and metal pellets is placed back on the balance, and the measured mass is 71.371 grams. Calculate the density of the metal pellets in g/mL. Do not include units in your answer.
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