Chemistry, 06.07.2019 08:10, dedgefield
900 cm³ of distilled water was added to 100cm³ of 0.5m sodium carbonate solution. calculate the concentration of the resulting solution in : -
(i) moles per litre.
(ii) grams per litre
Answers: 1
Chemistry, 22.06.2019 10:00, 2019reynolds
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 13:10, kellinvagneur
Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
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Chemistry, 22.06.2019 15:30, alaf05160
Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.
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900 cm³ of distilled water was added to 100cm³ of 0.5m sodium carbonate solution. calculate the conc...
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