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Give the maximum number of electrons in an that can have these quantum numbers:
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- Stoichiometric coefficients are used to describe the mole ratio. "F Mostly sunny F1 ! O Q A 1 N True F2 @ 2 W S F3 Alt -Ő+ X #M 3 E F4 D $ 4 C F5 R F % 5 V F6 T ☆ G F7 A 6 a Y B F8 & 7 H U N F9 ★ 8 J - F10 M ( 9 K F11 O < False 3 ) 0 L Alt F12 P E A CTTTTT 3. Jeanette wants to prepare a 0.125 mol/L solution of sucrose C12H22O11. The desired volume Jeanette wants to make is 50 ml. Formula Mass= Volume (L)= Moles Sucrose = Mass Sucrose= 0.050 L of water (solvent) ? Mass of Sucrose Formula Mass= Volume (L) - Moles LI SO Mass Li₂SO. = Mass of 0.050 L of 0.125 mol/L Sucrose 4. Grover wants to prepare a 6.00 mol/L solution of Li,SO.. The desired volume Grover wants to make is 500 ml. Li-SO Show work in this space SLIVEWORKSHEETS Show work in this spaceHow would you accomplish the following conversion? C=N Select one: O A. H*/H20; HC=N O B. "OH/NaC=N О С. HBr; NaС%3DN O D. LIAIH4; HC=N; KMNO4 O E. Br2/H*, H20; NaC=N
- 1. Balance the following chemical equations. a. Na3PO4 (aq) + b. C. d. e. f. a. from 1 b. Post Lab Questions d. e. _AI(NO3)3(aq) Pb(NO3)2 (aq) + _KI (aq) _Fe (s) + CuSO4 (aq) _KCIO3 (s) _Fe₂O3 (s) + _H₂O (1) Ca(OH)2 (aq) +_ __HNO3(aq) _NaNO3(aq) + _AIPO4 (s) _Pbl₂ (s) + _KNO3(aq) Cu (s)+Fe₂(SO4)3 (aq) 2. Classify each of the following reactions as combination (C), decomposition (D), single replacement (SR), or double replacement (DR). H₂ (g) + Cl₂ (g) 2 HCl (g) _KCI (aq) + O₂(g) _Fe(OH)3 (s) iure by day Ca(NO3)2 (aq) + H₂O (1) c. 2 Na3PO4 (aq) + 3 CuSO4 (aq)-Cu3(PO4)2 (s) + 3 Na₂SO4 (aq) PbCl₂ (aq) + 2 KI (aq) Pbl₂ (s) + 2 KCl (aq) olur (NH4)2CO3 (s) 2 NH3(g) + CO₂ (g) + H₂O (1) Cu (s) + 2 ZnNO3 (aq) Cu(NO3)2 (aq) + 2 Zn (s) 5OX # Of N +3 ( ox H. 0) ok. # Of ut 3(-2)=0 Ox. # of N= t6 Ox. H of O : -2 b. P,O. oX. # Of 4(P) + 6(ox.# of 0)= 0 OK, of y8) + 6(-2) 20 ox. #of P= +3 ox # Of O : -2 C. Fe,O, OX, # of a(Fe) t 4(ox. #0)=0 ox. # of d(Fe)+ 4(-240 OX. # of Fe+4 Ox # of 0 : -2 2. Detemine what substance was being oxidized, the substance being reduced and indicate the oxidation state of all atoms before and after the reaction. 2020) 2H,0 a. CHe + b. Zn 2HCI 3. Specify which of the following are oxidation-reduction reactions, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. a. CH, + H,O → CÓ + 3H, b. 2AGNO, + Cu → Cu(NO,), + 2Ag c. Zn + 2HCI → ZnCl, + H2 d. 2H* + 2Cro, → Cr,07¯ + H,OMass of Na2CO3.H2O (g) = 2.12g (g) Mass of the CaCl2.2H2O (g) = 1.98g Mass of the top funnel + filter paper (g) = 15.85g Mass of top funnel + filter paper + CaCO3 collected (g) = 17.81g CaCl2 + Na2CO3 ==== CaCo3 + 2NaCl Moles CaCO3 produced by Na2CO3 (if all Na2CO3 reacts)? Moles CaCO3 produced by Na2CO3 (if all CaCl2 reacts)? What is the Limiting Reagent? Moles Na2CO3 reacting? Moles CaCl2 reacting?
- A 4.64 g sample of a laboratory solution contains 1.47 g of acid. What is the concentration of the solution as a mass percentage? % acid concentration: about us careers privacy policy terms of use contact us heip 440 4/13/2 DII FS %3* F7 PrtScn PgUp, F11 pgDn 12 Home End F10 F6 2$ & 4. 5 6. 8. 9. R Y K + I| 10 LLMass of Na2CO3.H2O (g) = 2.12g (g) Mass of the CaCl2.2H2O (g) = 1.98g Mass of the top funnel + filter paper (g) = 15.85g Mass of top funnel + filter paper + CaCO3 collected (g) = 17.81g CaCl2 + Na2CO3 ==== CaCo3 + 2NaCl Moles Na2CO3 reacting? Moles CaCO3 reacting? Moles CaCO3 produced by the LR? Theoretical yield in moles and grams? Reagent in excess? Moles of reagent in excess left unreacted? Mass of precipitate? Experimental yield? Percent yield?H.W Q1: Calculate the number of mililitersof H,SO, its (d= 1.835 g/cm and it contains (93.2%) to prepare (500 ml) of (3N) from acid. Q2: Prepare (100 ml) of (5M) sodiumhydroxide NaOH; the atomic weight is Na=23,0%=16, H=1. ngiroen g
- Which of the following equation is both physically and mathematically correct? Select all correct answers. A. S₁² 80 = Q ₂ - Q₁ 1. B. f₁dU = U₂-U₁ c. f ₁² dM = M₁-M₂ D. | dỤ=U,−U,Aktiv Chemistry < + C X b Success Confirmation XM Your Chemistry answe x app.101edu.co Answered: A 0.660 M X b Answered: How many × b Answered: A student X Time's Up! What quantity in moles of NaOH are there in 82.0 mL of 0.300 M NaOH? 1 4 7 +/- 2 5 8 New Tab mol 3 6 9 G 0 x + Submit X C x 1001. Balance the Swing equati _Na3PO4 (aq) + ΑΙNO,), (aq) _NaNO3 (aq) + -ΑΙΡΟ, (s) а. b. _Pb(NO3)2 (aq) + KI (aq) _Pbl2 (s) + KNO3 (aq) с. Fe (s) + _CUSO4 (aq) _Cu (s) + _Fe2(SO4)3 (aq) d. _KCIO3 (s) KСІ (аq) + O2 (g) _Fe2O3 (s) + _H,O (1) _Fe(OH); (s) е. f. Са(ОН)2 (аq) + _HNO3 (aq) _Ca(NO3)2 (aq) + Н,0 ()