-22 The mass of a certain atom is 2.086 x 10 g. This is the same mass as 2.086 x 10-16 mg. 2.086 x 10-25 kg. 2.086 x 10-28 Hg. O 2.086 x 10-31 ng.

Q: of Pd(acac)2, Cul Br DMSO 125 °C, 24 hr O,N. Br Pd(OAc)2, K2CO3 DMF 135°C, 5 hr

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Q: Calculate the mass of 9.80 x 1026 atoms of silver. O 1.76 x 10 g O 1.06 x 1029 g O 5.47 x 1048 g O…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: 14 14 1. 6C 7 N+ 1H 14 1N -le le

A: In this question we have to find the missing part in the radioactive decay.

Q: If 26.98 grams is the mass of 1 mole of Aluminum, 26.98 grams =1 mole of Al 13.49 grams = 0.5 moles…

A: Mole concept relates the number of moles with the molar mass and mass of the substance. Just like…

Q: c. FeS(s) + 2HCI(aq) → H2S(g) + FeCl2(aq) Soth (b) and (c) a. 2Sb(s) + 31g) b. 2H9O(s) → 2Hg(l) +…

A: Decomposition reaction are the reactions in which the reactant breakdown to form two or more…

Q: 26 2. 12Mg 1 0 +On-le+ O a. 27 11Na Ob. 27 13AI O c. 27 O d. 26 12Mg 11Na

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Q: 23. Ammonia is synthesized from hydrogen and nitrogen. N2 (g) + 3 H2(g) - -> 2 NH3 (g)lf 5.00 L of…

A: Given that: N2(g) + 3H2(g) ....> 2NH3(g)  Volume of N2(V) = 5.00L T = 298 K P = 3.00 atm

Q: The density of carbon lellacinun tetrachloride? 3.3 x 1023 atoms b. 5.4 x 1023 atoms c. 1.4 x 1024…

A: Number of moles of a compound = number of moleculesavagadro number Number of moles of a compound =…

Q: (3 points each) (1) _KI + Pb(NO3)2 _Pbl2 + KNO3 (2) _SO, + O2 SO3 (3) _P + _02 P.O10 JAN 14 étv

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Q: 17. 75.21 °C, Ca(s) + 2 H,SO, () → CaSO,(s) + SO2 (g) + 2 H20((0) 18. 982 K, C¿H2 (9) + 5 N,0(g) → 2…

A: Given Reaction C2H2(g) +5N2O(g) →2CO2(g) +H2O(g) +5N2(g)To calculate ∆G° at 982 k∆G° = ∆H°-T∆S°∆H° =…

Q: The weight percent of silicon in six different rock samples, each containing different amounts of…

A: Solution

Q: 11. Mrs. Folloso is preparing water in containers to sell in their water station. A. filtration B.…

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Q: 99 235U + in → 2;Zr+ 135Te + 2X + ön ŽZr +

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Q: O2P 2p, 2рх 2р, 2рх 2ру 2р, 2pх 2ру Px 2py O2P O2p TT 2p 02s 2s O2s 2s 2s 2s 02s

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Q: What percentage of 145X (t1/2 = 768.7 h) would remain after 505.4 hours. Use the formula with 0.693…

A: Use first order kinetics formula to get the answer  Remaining percent=64.93%

Q: HO. 36 o and 5 rT O 21 o and 5 t 50 o and 5 n

A: The question is based on the concept of chemical bonding. we have to calculate how many Sigma and Pi…

Q: कर टेपेानेणवे कndण लानका + fmeton fo bariam mitride CQag Nz) गीपला कैट बण्वमंका ठ ? 5 cम (9) + 2N2…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: 1 m.e. of Na+ will replace how many m.e. of H+? * a.) 1 b.) 23 c.) 0.23 d.) 0.1

A: n factor of Na+ is 1. n factor of H+ is 1.

Q: tफ्रिण कावड8 ली मत्च ड Prव्वेपण््dं wh उ.न्0 कd oकी ताक जC के Cागटर्नथेप क मकट Fगीvप्aणश कलललह व…

A: Given-> Mole of Cl2 = 3.00 mole Molar mass of HCl = 36.46 g/mole

Q: 47) Two samples of potassium iodide are decomposed into their constituent elements. The first sample…

A: Given: In sample 1, the mass of potassium i.e. K produced = 13.0 g. And the mass of I produced in…

Q: formuia for tre feilcwing mcle cules Suppiy the missag what ere likeiy digit. Choose 1 FA tle…

A:

Q: The thermogram in Figure below shows the change in mass of a sample of Copper sulfate pentahydrate,…

A: The mass fraction of water in CuSO4.5H2O = Mass of water in CuSO4.5H2O/ (Molar mass of CuSO4.5H2O)

Q: What is the mass percent (%) for K in K2CrO4? A. 26.48 B. 38.09 C. 85.48 D. 40.66 E. 56.48 I…

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Q: Use the References to access important values if needed for this question. 1A 8A H 2A 3A 4A 6A 7A He…

A:

Q: B. Graduated Cylinder 1. Volume of saline added each addition 10 20 3 31.344 2nd 2. Mass of empty…

A: Density is the ratio of mass to volume. Density is also known specific mass. The SI unit of density…

Q: Complete the following data Standardization of NaOH Trial 1 Trial 2 Trial 3 Trial 4 Mass KHP, g…

A: Here we are required to find the normality of standardized NaOH in reaction 1 and then normality of…

Q: What is the chemical element? X

A: Here we have asked about the information for the chemical element 'X'. We can tell about this as…

Q: A cable making company produces a metal wire, with a diameter of 1.00 mm. What will be the length of…

A: Given: Metal wire diameter=1 mm No. of moles=1 Density of metal=17 g/cm3

Q: Which of the following represents anammox?   A. N2 → NH3   B. NO2- → NO   C. NH3 → N2   D.…

A: Which of the following represents anammox?

Q: a) b) c) d) e) 1) g) h) i) D k) 1) n) MeO it with Jul 8.0 MeO 1.00 8.0 1 L 7.8 I 7.8 ľ K FAK 1 7.6…

A: 1HNMR Spectra given above have signals between 6 to 8 ppm taht is aromatic region .therefore, by…

Q: C;HO2 15 1 09 3H.t J=7 2 27 2H.9 J=7 110 1H,brd s

A: Given is 1HNMR spectra

Q: The equation 96 250Cm-?+ Sr+4n is correctly completed as 96 250Cm→ 14Ce+ 2Sr+4{n. A) True B) False

A: we see the mass number of Cm on the left hand side is 250 and on the right hand side of the equation…

Q: (d) Sb + He → I + ? 121 124 (e) 241 Am +'B → 4¿n+? 95 3° Cf + ? → 103L + 3 ¿n 259 98

A: Complete the following nuclear reaction ---

Q: 1. The percentage of lead in earth crust is a. 0.0015 b. 0.05 c. 0.00015 d. 0.0045 2. The salt is a.…

A: According to the guidelines prescribed by Bartleby, we can answer a maximum of three sub-questions.…

Q: Magnesium reacts explosively with oxygen to form magnesium oxide. Which is NOT true of this…

A: The incorrect statement among the given has to be given,

Q: 27 Te value of Ag 9ts ecnstituent element Pzcg) +3C/2cg)→2Pcl3(9) is A)-SB9.2 B) t539.2 C)-373.3…

A:

Q: 1. Brz 24. 2. NaOEŁ zequiv. Br Br A. B. D. Bv Br Br

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (a) 174Hf→ 170yb + ? chemPad XX→ b) 60 Co→ 60 Ni+? chemPad XoXº ↓ Help Greek Help Greek

A: a)  H174f→Y170b + H24e b)  C60o→N60i + e-10 c) B210i→P210o + e-10 d)  P239u→U235 + H24e

Q: o 2}H + 2 }n → He o ŞLi + n+He + {T 41 p + 3D +He 1, 4. 1, o D + {T → He + o 37 1, He + T → He + 20…

A: Since in any reaction, 1) total mass number of the reactants = total mass number of the products  2)…

Q: हन्डाबक 1he कनीन्च्केत fotlowing as true or किवाडह wान माण false with explanation कू) महbनदा वमाणक n…

A:

Q: V sphere %3D 3 Osmium (Os) is a transition metal which has a density of 2.257 x 104 kg/m at 20°C. A…

A:

Q: is heated with 1.80 gof bromine. All the bromine is used upj and 2.07 g of magnesium bromide is the…

A: Massof magnesium remains unreacted = 6.856g

Q: Cलकावैक he य रिचक इन्कोपारक क कुनेज्ञ प्रनंje \৪০ 184 188 74 १५ 74 74 व) पकांकी nueiबिर र काकम्मे…

A: Radioactivity is a nuclear phenomenon where a heavy unstable nucleus undergoes spontaneous decay and…

Q: What the time l submevs ion in day ot Brass alloy (25%2n, 45%. cu) , avea was 10 cm2, that 2.5 Kg ノ…

A: Given, Brass alloy having 25%zinc and 75%copper Area-10cm2 Weight of NACL displaced by brass-2.5kg…

Q: A) Ag,SO.(aq) + NaCl(aq) - NaSO,(aq) + AgCI(s) B) Ag,SO.(aq) + NaCI(aq) → Na,SO.(aq) + 2A9CI(aq) C)…

A: Both the questions you posted are the same.

Q: 4) ½N2(g) + 02(g)= NO2(g) Kc = 1.04 x 10-9 N2(g) + 202(g) = N204(g) b Kc 7.42 x 10-18 Calculate Kc…

A:

Q: The weight percent of silicon in six different rock samples, each containing different amounts of…

A: The expression for determining tcalc is given below,                     where,

Q: Sample Substance Observat N2O4 3 Fe 4 O2 LiF Sr Al 12

A: Which are excuse in monoatomic or diatomic in nature will called as elements So S,O2,Fe,Sr,Al are…

Q: Part 1 N,0(g) + NO,(g) 3NO(g) 2. Choose one: (3 [NO (g)]) 3 K = %3D [N2O (g)] [NO2 (g)] NO (g)] [N2O…

A:

Q: Puniverse n substance: O2(g) → NİSS) 318 -88.1 SO2(9) + O2(g) 68 NiOs) at 25 °C SO2(g) 412 -296.8…

A: According to the question, we need to determine the value of ∆Suniverse. The chemical reaction:…