Identify the most appropriate method to measure the mass of a sample of white powder. Select the single best answer. O Place a weighing vessel on the balance, add the sample of white powder to the weighing vessel, and then record the mass. O Tare the balance. Then place a weighing vessel on the balance. Add the sample of white powder to the weighing vessel. Record the mass. O Place the weighing vessel on the balance and add the sample of white powder to the weighing vessel. Tare the balance and then record the mass. O Place the sample of white powder on the balance and record the mass. O Place a weighing vessel on the balance and tare the balance. Then add the sample of white powder to the weighing vessel and record the mass.
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.
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