Chemistry, 28.09.2019 06:30, deaishaajennings123
Hiw to separate and measure a mixture of iron fillings, sugar, and salt
Answers: 1
Chemistry, 22.06.2019 08:30, melikefood01
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 23.06.2019 02:50, igraha17
Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ
Answers: 2
Hiw to separate and measure a mixture of iron fillings, sugar, and salt...
Mathematics, 30.11.2020 22:10
Mathematics, 30.11.2020 22:10
Mathematics, 30.11.2020 22:10
Mathematics, 30.11.2020 22:10