Chemistry, 31.12.2020 14:00 ecletcicbeauty5793
Rationalize the following statements and give chemical reactions .
(1) Lead (II) chloride reacts with chlorine to give pbcl4.
(2) Lead is known not to form an iodide, pbl4 .
Answers: 3
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Compare and contrast physical changes with chemical changes.
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Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
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What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g
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Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature
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Rationalize the following statements and give chemical reactions .
(1) Lead (II) chloride reacts wi...
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