Chemistry, 09.11.2020 16:40 michaelswagout
Al colocar unos trocitos de zinc en un tubo de ensayo, agregamos 2 mL de acido clorhÃdrico. El Zinc sustituye el hidrogeno del acido para formar una sal (ZnCl2) con el cloro Zn+2HCl-- ZnCl2 +H2 El nombre correcto de esta sal en la nomenclatura sistemática es
Answers: 2
Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 2
Chemistry, 23.06.2019 00:00
Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro
Answers: 3
Chemistry, 23.06.2019 02:50
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
Chemistry, 23.06.2019 10:00
How many moles are equal to 2.4×10^23 formula units of sodium chloride
Answers: 1
Al colocar unos trocitos de zinc en un tubo de ensayo, agregamos 2 mL de acido clorhÃdrico. El Zinc...
History, 20.05.2021 22:00
Mathematics, 20.05.2021 22:00
Social Studies, 20.05.2021 22:00
Mathematics, 20.05.2021 22:00
Mathematics, 20.05.2021 22:00
Mathematics, 20.05.2021 22:00
Mathematics, 20.05.2021 22:00
Mathematics, 20.05.2021 22:00
Mathematics, 20.05.2021 22:00