In the laboratory, a general chemistry student measured the pH of a 0.470 M aqueous solution of methylamine, CH3NH2 to be 12.163. Use the information she obtained to determine the Kh for this base. Кы еxperiment) = 6.53x10^-4

Q: Calculate the solubility of BaCrO, in water at 25 °C. You'll find K, data in the ALEKS Data tab. sp ...

A: Given-> BaCrO4(Ksp) = 1.17 × 10-10

Q: What is the deltaH for the overall decomposition in this reaction. Please show work NH4CL(s)--> NH3(...

A: NH4Cl(s)---> NH3(g) + HCl(g) Standard data table: ∆H°f(NH4Cl)= -314.43  KJ/mol ∆H°f(NH3)= -46.11 ...

Q: In this experiment, Ag (aq) reacts with SCN (aq) to form a precipitate. Adding AgNO3 (aq), which con...

A: Value of equilibrium constant depends only on the temperature. No other factor can change the value ...

Q: please explain

A: In biochemistry the Michaelis-Menton equation is very useful equation for the enzymes kinetics. This...

Q: For the following molecules, list them from low boiling point to high boiling point, and list the st...

A: SiH4 PH3 CH3OH

Q: How many mL of 55% by mass ethanol (density =0.952) is needed to mix with 620 mL of 70% by mass etha...

A: Answer: In this question we have to calculate the mass of the solution and mass of ethanol in terms ...

Q: The reaction A(aq) + B(aq)= C(aq) + D(aq) has a AHrxn = -85 kJ/mol. This reaction is [Select ] If th...

A: Here the equilibrium reactions is given and we have to see the effect of temperature on this given e...

Q: A gas expanding against a constant pressure of 2.00 atm from 15.0 to 21.6 L absorbs 350 calories of ...

A:

Q: Why is there no difference in the strength of a 0.15 M solution of HCl and a 0.15 M solution of HClO...

A:

Q: Which of the following is an aldol condensation product derived from the self-condensation of 2-buta...

A: ->Carbonyl compound which has alpha hydrogen form enolate ion which can acts as nucleophile it gi...

Q: Which of the following molecules contains at least one atom that has an odd-electron count (i.e. is ...

A: From the Lewis structure, atom with an odd electron will be identified as shown in the following ste...

Q: Which of the following carbaxylic acid derivatives are present in che molecule shown? CI 1. Lactone ...

A: In this question, we have to identify the carboxylic acid derivatives present in the shown molecule.

Q: Selenous acid (H2SeO3) is a diprotic acid, for which Ka1= 4.28 x 10^-3 and Ka2= 5.03x10^-8. Determin...

A:

Q: A 1.00 g piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter ...

A:

Q: Molarity Data Table: Moles of Molarity solute added to 300 mL. Molarity of CuSo, of NICI; Molarity M...

A: for the calculation of molarity: Find the number of moles of solute dissolved in the solution. Fin...

Q: Calcium hydroxide, which reacts with carbon dioxide to form calcium carbonate, was used by the ancie...

A: Given, moles of CaCO3 formed = 3.8 mol

Q: Calculate the Kc for the following reaction. The equilibrium concentrations were determined at 25C. ...

A:

Q: temperature wi

A:

Q: AP Questions // Questions 10 - 11) A student creates four solutions with varying concentration of Fe...

A: According to Lambert Beer's law,  Absorbance is directly proportional to the Concentration of the sa...

Q: . Circle the conformation (as drawn) that will most rapidly undergo E2. A в H3C H Ph Ph Ph CH3 Ph Ph...

A: In E2 elimination reaction anti periplanar beta hydrogen is removed and form alkene   

Q: HIC CIH 云 A openvellum.ecollege.com Assignments AA Review I Constants I Periodic Table Tmacyigiycero...

A:

Q: When exactly 750.0 mL of a solution containing 0.584 N of magnesium hydroxide was combined with 250....

A:

Q: A 12.5% (w/w) NiCl2 (MM=129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the molar conc...

A:

Q: A A Me -Me

A: Answer : A is the most stable alkene.  Because this alkene is more substituted and have more number ...

Q: percent composition

A:

Q: Solutions that are electrolytes have ions in solution. These ions are surrounded by Tayers of water ...

A: In this question, we have to identify the ions from the compounds that will occur in the solution.

Q: he equilibrium constar

A:

Q: OH 1) Н.О, КОН CI. OH он 2) H,O, HC1 pcresol chloroacetic acid H3C +HC1 pmethylphenoxyacetic acid

A:

Q: Part A The surface area of an object to be gold plated is 49.9 cm? and the density of gold is 19.3 g...

A: Given: The surface area of the area to be gold plated = 49.9 cm3 The thickness of the gold layer = 1...

Q: When the following skeletal equation is balanced under basic conditions, what are the coefficients o...

A:

Q: P-type material is an intrinsic material added with a trivalent element. Otrue O false

A: Intrinsic Semiconductor : Semiconductor having no impurity has been added to it called intrinsic sem...

Q: Which arrow-pushing mechanism best explains activation of acetyl chloride for Friedel-Crafts acylati...

A: The arrow pushing mechanism that best explains the activation of acetyl chloride for friedal crafts ...

Q: K°  0.   b. K° > 1 and G° < 0.   c. K° < 1 and G° = 0.   d. K° = 0 and G° = 0.   e. K° = 1 a...

A: As we knows for Spontaneous reaction □G° is negative.  Relationship between equilibrium constant and...

Q: Calculate the solubility at 25 °C of CaF, in pure water and in a 0.0130M NaF solution. You'll find K...

A:

Q: Which of the methods shown will successfully complete the following synthesis? HO, NH 1) 3) 1) PBr3 ...

A: Some details about reagent used,   H2CrO4 oxidise primary alcohol to corboxylic acids. PCC oxidise p...

Q: AlpQLSfDoHSTx3St-UM4bnqMxleBdEx_zV4qcU5T5gr2maeyKTyW5g/formResponse A solution of 0.25 mol HF dilute...

A:

Q: 1. Derive Van der Waals Equation in cubic form. What can you say about the 3 real roots of this equa...

A: The cubic form of van der Waals equation is needed to be derived and the dependence of the three rea...

Q: 2) Select which of the following pieces of laboratory experiment could be used when measuring out 20...

A: 2) When we are asked to measure volumes of reagents for example here we are asked to measure 20ml of...

Q: 2.) How much heat is needed fo of Cq HioO 200 vaporize 10 43,29 KS/mol fusion

A:

Q: Consider the following reaction at 298 K. C(graphite) + 2 Cl,(g) CCI,(1) AH° = -139 kJ Calculate the...

A: Given reaction is :  C (graphite) + 2Cl2 (g) ----------&gt; CCl4 (l) , ΔH0 = -139 KJ   Then,  Calcul...

Q: Calculate the molar mass of a gas if a 1.00-L sample of the gas at STP has a mass of 1.16 g. Show de...

A: To solve this problem first we have to calculate the number of moles of gas and then the molar mass ...

Q: A semiconductor has wide energy gap and requires less energy to move an electron from the valence ba...

A:

Q: Which of the following Gilman reagents could be used with a vinyl halide to afford the (E,E)-diene s...

A: Here we have to determine the Gilman reagents that can be used to synthesise the given E,E- diene.

Q: Roasting galena [lead(II) sulfide] is a step in the industrial isolation of lead. How many liters of...

A:

Q: 1. H* [-H2O] d. Но HOʻ OH (ехcess) HỌ, 2. NalO4 CH3 CH3 3. Ph3P=/ е. OH H* [-H2O] Но, CH3 1. H* [-H2...

A:

Q: What is the partial pressure of nitrogen in a container that contains 3.96 mol of oxygen, 7.49 mol o...

A: Given, mol of Oxygen (nO2) = 3.96 mol mol of nitrogen (nN2) = 7.49 mol mol of carbon dioxide (nCO2) ...

Q: What is the pOH of an aqueous solution of 0.277 M hydrobromic acid? pOH =

A: Given, 0.277 M HBr  acid.....

Q: AICI3 Zn(Hg) Compound A Compound Me Me. Me HCI, A Me

A: Benzene derivatives can give aromatic electrophilic substitution reaction.  

Q: Predict the Product. Provide the major organic product(s) for each of the following reactions shown ...

A:

Q: Review I Co Find the H30 in a Sauvignon Blanc with a pH of 3.24. ΑΣφ M (H3O]: %3D Submit Request Ans...

A: