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- Joseph Priestly prepared oxygen in 1774 by heating red mercury(II) oxide with sunlight focused through a lens. How much heat is required to decompose exactly 1 mole of red HgO(s) to Hg(l) and O2(g) under standard conditions?Estimate ΔrH° for forming 2 mol ammonia from molecular nitrogen and molecular hydrogen. Is this reaction exothermic or endothermic?Carbon forms a number of allotropes, two of which are graphite and diamond. Silicon has a diamond structure. Why is there of allotrope of silicon with a graphite structure?
- N Gve the structure of the mayor produc CrO, HSO HO- OH PCC 2. CH;Ch HBr, ROOR Ph AICrite the empirical formula for at least four ionic compounds that could be formed from the following ions: Pb, Fe", so, co 4+ 3+ 0.. Submit Assign Continue Phecy 02021 McGre H Education All Rohts Roserved Terms of Lne 9-5, For ench renction, AZ write B) Write he balmced nolecuir equntion C) write Hhe balmced Jotal ione equntion ) write tte balmced et ionie equntion n Word ertion I Reactat s: Ag Nog Na oH 2. Renctants: CoCNO3)Zcn)
- · Draw the molecules on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templates toolbars. DOCO [1] A + NaOH Il rights rocorvod Heat H 2D EXP. EXP. CONT. ? Marvin JS by ChemAxon Torms of Use | Privacy Policy | Dormiccions H C N O S CI Br I P F Contact c7.Using 4 the Ravation below how many react 680riO moves of NO wOuld be produced if you 23 mdes of NH with erDeSS onygen NH3 + O sHaO +NOhyrw 2o nsn hyapsn sem St.) Calcium oxide is sometimes very challenging to etare n the Oumistry labrortory.This compound reacts with moisture in the air and is converted to calcium hydcokide. If a bottle of calcium oxide i8 left on the ehelf too long, it grodually absorbs moisture from the humidity in the laboratory. Eventually th bottle cracks and spills the colcium hydrokide that hus been produced. WrHhe the unbalancaed chemical equaher for this process. 33.) The clement tin often occurs in nature as the oxide, Sn b produce pure tin metal from this sort of tin oe, the ore Gtmol rom the usually is heated with coal Carbon) This produies pure
- HAnnouncements - 2021 Sprin x S Microsoft Word - 3- Homewo X 1o Chem101 GBPJPY 153.074 v -0.04% U X A app.101edu.co M Inbox (581) - andainecampbe x Question 2 of 21 Submit A solid 30.2 cm block of KCIO: is heated in the laboratory and decomposes according to the following reaction. What is the change in enthalpy in kJ when all the KCIO: decomposes? The density of KCIOS is 2.34 g/cm 2 KCIO:(s) – 2 KCI(s) + 3 0:(g) AH = -89.4 kJ STARTING AMOUNT 6.022 x 10 122.55 2.34 -25.8 -42.4 1 3 74.55 32.00 -51.6 30.2 -89.4 -11 mol O2 cm mol KCIO. g KCI g/cm g KCIO, g O2 mol KCI J kJ Show all Andaine's.docx study questions.docx 3- Homework and.pdf outline 2 chapter 5.docx 1:16 PM 4/5/2021 P Type here to search DELL Home PgDn Delete Pgup Apsert PrtScr F12 F11 F10 F9 Num Lock F8 F6 F5 Backspace F4 F2 F3 & 近The total amount Wunderhor Germany together and the us of enersy OF I mole (5. equal to a.) 18.01smol b.) the enthalpy of Formation C.) the themal comporents or the substanca d.) The tuctric enersy どりThe sum of the libvational erer)y, ro th tiohel ereisy, transitional elect onic enuray eversy ind mee weneryPeroxyacetył nitrate (PAN) is one of the prime irritants in photochemical smog. It has the formula CH;COOONO, with the following structure: H;C-C 0-0-NO,