for the following compounds that contain polyatomic ions. (a) Sodium hydroxide NaOH (b) Potassium nitrate KNO3 (c) Magnesium sulfate MgSO4 (d) Aluminum phosphate AlPO4 (e) Aluminum nitrate Al(NO3)3 (f) Ammonium nitrate NH4NO3 25. Name each of the following binary ionic compounds. (a) NaBr sodium bromide (b) MgS magnesium sulfide (c) CaO calcium oxide (d) MgCl2 magnesium chloride (e) AlF3 aluminum fluoride (f) CaI2 calcium iodide 26. Name each of the following binary molecular compounds
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phosphate dihydrate‚ D & C Yellow #10 aluminum lake (in 25 mg tablet)‚ FD & C Blue #1 aluminum lake (in 25 mg tablet)‚ FD & C Red #40 aluminum lake (in 25 mg tablet)‚ FD & C Blue #2 aluminum lake (in 50 mg tablet)‚ hydroxypropyl cellulose‚ hypromellose‚ magnesium stearate‚ microcrystalline cellulose‚ polyethylene glycol‚ polysorbate 80‚ sodium starch glycolate‚ synthetic yellow iron oxide (in 100 mg tablet)‚ and titanium dioxide. Zoloft ZOLOFT is supplied for oral administration as scored tablets containing
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essential to human dietary needs. c. To facilitate the secondary use of the desalinated water‚ for example‚ irrigation. Dosages of 60 to 120 mg/L as CaCO3 of calcium containing chemicals like lime‚ calcite‚ calcium‚ hypochlorite‚ or calcium and magnesium containing chemicals like dolomite are added to the desalinated water. this is important for the water distribution
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characteristics of the alkaline earth metals and their compounds; • describe the manufacture‚ properties and uses of industrially important sodium and calcium compounds including Portland cement; the biological significance of sodium‚ potassium‚ magnesium and calcium. • appreciate The s-block elements of the Periodic Table are those in which the last electron enters the outermost s-orbital. As the s-orbital can accommodate only two electrons‚ two groups (1 & 2) belong to the s-block of the Periodic
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exothermic since heat is released into the surroundings. However‚ an example of endothermic neutralization is the reaction between baking soda (sodium bicarbonate) and vinegar (acetic acid) (or any other weak acid). Hydrochloric Magnesium Magnesium Carbon Acid +
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experiment‚ phenylmagnesium bromide‚ a Grignard reagent was synthesized from bromobenzene and magnesium strips in a diethyl ether solvent. The Grignard reagent was then converted to triphenylmethanol‚ a tertiary alcohol with HCl. The reaction for phenylmagnesium bromide was: The reaction for Grignard to triphenylmethanol was: In the formation of the Grignard reagent‚ the limited reagent‚ magnesium was determined and 0.00617mol was calculated. In the second part of the experiment‚ a yield
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other parameters‚ P‚ V‚ n and T through the experiment. Equipment and Materials: Large beaker Ring stand Clamp Copper wire 100 mL eudiometer tube Magnesium (Mg) ribbon M6 H2SO4 (Sulfuric Acid) Wash bottle filled with distilled water Procedure: First I cut a piece of Mg ribbon and used steel wool to rub off the MgO (magnesium oxide). I then used the scale to determine when I had approximately 0.0440g of Mg. I then wrapped the Mg with copper wire so that none was showing‚ but left
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Mg Magnesium -Mr. Magnesium replaced “r” with “g” in “Mr” and got the abbreviation of his name‚ Mg. Kr Krypton -Kryptonite is Superman’s enemy‚ so don’t confuse it with krypton the element. Ca Calcium -Cali eats calcium Br Bromine -Think of your bro when you think of Bromine‚ for the symbol erase the “o” and you got bromine. C Carbon -It’s really simple just think “C is for cookie‚ but also for Carbon.” As Arsenic -Arsenal is weapons‚ but arsenic is an element‚ think of As
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many electrons does Mg2+ have? (1 mark) Mg2+ has 10 electrons. A magnesium atom has 12 electrons with 2 of the 12 being valence electrons. Therefore the atom will lose the valence electrons which are located on the outermost shell to stabilize itself (outermost shell) as atoms tend to do what it easiest. Since magnesium lost 2 electrons it becomes positive as it is giving away electrons to stabilize other atoms. Hence magnesium then becomes Mg2+ because it lost 2 of the 12 electrons. Given that
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atoms in 3.08g of tetrachloromethane (CCl4) b. The number of moles of fluorine atoms in 204 g of boron trifluoride BF3; c. The number of moles of chloride in 5.55 g of calcium chloride‚ CaCl 2 d. The number of moles of sulphate ions in 144g of magnesium sulphate 3 e. The number of molecules in 1000 cm of barium nitrate 5. 100 cm3 of hydrogen chloride gas was mixed with a metallic compound producing a very volatile & explosive reaction. What is the mass of this gas at RTP? Chemist ry 6
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