Why is litmus paper an example of an indicator

Metallic bonding occurs between atoms of

How to determine: 1) Mass of BaCl2. XH2O? 2) Mass of barium chloride anhydrous? 3) Mass of water in BaCl2. XH2O? 4) Percent composition of water in BaCl2. xH2O? 5) Formula of barium chloride hydrate?

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Suppose that 0.25 mole of gas C was added to the mixture without changing the total pressure of the mixture. What is the partial pressure of C?

Salt is dissolved in a flask of tap water. Distilling the mixture causes the salt to separate from the water. Which type of energy is required to begin the distilling process?

Compare and contrast the compounds CH4 and PH3 in terms of covalent bonding, molecular geometry (shape), and intermolecular forces. Which substance would experience a stronger attraction between its molecules, and why?

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Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 g of NaCl in 500. mL of solution? moles of solute Use molarity - liters of solution

What are 3 ways to seperate metal particles and salt

Sarah heated some orange coloured crystals in a test tube. The crystals turned green and fizzed. After the fizzing stopped, the test tube was allowed to cool. A green powder was left in the tube.