Chemistry, 01.07.2019 08:30 josie311251

What are molecules and what are they made of?

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Chemistry, 21.06.2019 21:30, gatorr2010

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

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Chemistry, 22.06.2019 06:30, yolo123321

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

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Chemistry, 22.06.2019 17:40, aguilarjose

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

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Chemistry, 23.06.2019 10:30, aliyyahlove

Most ionic compouds are crystalline solids at room temperature. true falseionic compounds are electrically neutral. true falseionic compounds generally have low melting points. true falsewhen melted, ionic compounds do not conduct electricity. true falsethe electrostatic attraction between an anion and a cation is an ionic bond. true false