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- 30jud to 28AM basu mw 5. Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardization it was found that a 0.498-g sample of sodium carbon- ate required 23.5 mL of a sulfuric acid solution to reach the end point for the reaction.N2 in the atmosphere Plants Process X NH3 in soil NH,+. NO2 – NO3 a. Name process X.. In C.AJ = - kt.tln [A.o]. t¹/₂ = 0.693 K In = KE •1• [A]o⋅=⋅· 100 ·/. [A] + = left . CAJO. CAJE In. [100] [s] t =.kt K= 0.693 t¼½₂ CAJO t = |n² Ch t = ln [AG] ·K CAJO K= In [At]. t Formulas Problem: Na-24 has a half life of 15 hours. How much of a 20.09. ·Sample would remain after decaying for 60 hours? Plz explain step by step. using the formulas..
- Equations: ΔΗΣ(n - ΔΗμάuais) Σ(n.ΔΗ, .a. tan ts) AS (n - ΔSpoducts) -Σ (n .AS,ac tun ts) = E (n · AGproducts) – E (n · AGreac tan ts) AG reac AG ΔΗ TAS Hydrogen peroxide, H2O2, decomposes into water and oxygen gas with an enthalpy (AH) change of -37.77 kJ and an entropy (AS) change of -130.92 J/K. Will this reaction be spontaneous if the H2O2 is kept in a sub-zero refrigerator at -25 °C? 4 5 6 7 8 10 11 12 13 Next > English Help Center Schoology Blog | PRIVACY POLICY | Terms of Use Schoology © 2021 https://Ims.lausd.net/common-assessment-delivery/start/4905365941?action=Donresume&submissionld3D526135843#1. Which reaction most certainly results in a negative ASrxn? a. H₂O(g) b. CaCO3(s) H₂O(s) Cao(s) + CO2(g) c. CuSO, 5H2O(s) CuSO4(s) + 5H2O(g) d. 140, (g) + 3NH.NO,(s) + C10 H22 (→ 3N2(g) + 17H₂O(g) + 10CO2(g) e. CO₂(aq) CO₂(g)12 AA EE AaBbCcD AaBbCcD AaBbCc AaBbCcf A x' Aa T Normal T No Spac... Heading 1 Heading 2 Paragraph Styl 3 1. 4. B. Fill in the missing reactant or reagent or product to bring about the following chemical reactions. CH, CH, HC 1. CH NaH OH H.C CH;CH21 2. CH, H,O CH, H,SO, H;C Na SH CH,CH,CH,SH CH, CH, H.C CH, CH, pines) 3. 4. 5.
- Which sequence of reactions would accomplish the benzene synthesis shown below? COOH Br NO2 1. HNO3 / H,SO4 2. Br, / FeBr3 3. КОН / Н,О 4. CH3B / FeBr3 1. СНЗСІ/ FеCI3 2 HNO3 /H.SO.Give the missing reactant: CO₂CH3 A | O A. I O B. II O C. III O D. IV + [ ² ] ? || heat 4 CO₂CH3 IVCABOR Page 12 > ar65 ZOOM Learning Check Balance each equation. А. Mg(s) +__N2(g) →_M93N2(s) В. Al(s) +_Cl,(g) →_AICI3(s) BF3(g) +_H20(1) →_B203(aq) +_HF(aq) D. Fe203(s) +__C(s) _Fe(s) +__CO2(g) E. Al(s) + Fe0(s) _Fe(s) +_Al,03(s) 184 RO DE G B. LL C.
- Oo.3. Subject ;- ChemistryQ1. Consider the following reaction: 2 KMnO4(aq) + 3 H₂SO4(aq) + 5 H₂O2(aq) Complete the table below (answers must be values with proper signs and units). A[H₂SO4)/At -0.156 mol L ¹5-1 ->> Δ[02]/ΔΙ 0.260 mol L¹ s1 K₂SO4(aq) + 2 MnSO4(aq) + 8 H₂O(1) + 5 02(aq) A[KMnO4]/At Reaction Rate -0.104 mal L'5" 0.052 MOLL'S!O Launch Meeting - Zoom O Launch Meeting - Zoom od212ou%3D2591470&isprv &drc3D1&qi=24592388cfql%=D08drnb- ttempt 1 A honeycomb-shape casing of the metals platinum (Pt), rhodium (Rh), and palladium (Pd) in catalytic converters of automobiles cause more reactions to take place that produce less harmful gases without being affected by the reaction. These metals are catalysts because: They cause the reactions without being affected. They are formed into a honeycomb shape. They are metals. They help produce less harmful gasses.