Why is acetylcholine not commonly used as a drug? O It is not orally active O It is not selective for the different types of cholinergic receptors O It is metabolically unstable O All of the choices

Q: 2NaOH + H2SO4 ® Na2SO4 + 2H2O If you begin with 250. g of each reactant, how many grams of H2O will ...

A:

Q: Electron group Molecular Polarity (or ion) Formula Lewis structure ΑΧΕ Bond Notation geometry geomet...

A:

Q: How much heat (k.) is evolved when 4.50 g of Fe2O3 is reacted with excess carbon monoxide using the ...

A:

Q: A sample of 4.25 moles of hydrogen at 20.0 C occupies a volume of 25.0 liters. Under what pressure i...

A:

Q: On a hot day (or during a stressful exam!), your body produces liquid swea which then evaporates acc...

A: Physical change: In a physical change only the state of matter changes. In this change different sta...

Q: Draw molecules in their correct protonation state

A: Concept introduction: We know organic compounds can be seperated from the mixture simply by using ac...

Q: If 38.6 mL of 0.25 M hydrochloric acid are needed to completely neutralize 26.0 mL of a solution of ...

A:

Q: The AG for the reaction H,(g) + I(e) = 2HI(g) is 2.60 kJ/mol at 25°C. In one experiment, the initial...

A: H2 + I2  <=> 2 HI ∆G° = 2.60 kJ/mol = 2600 J/mol Reaction quotient., Q = P2(HI) / P (H2) P (I2...

Q: If 18.0 mL of glacial acetic acid (pure HC2H3O2; Ka=1.8×10−5) is diluted to 1.40 L with water, what ...

A: Glacial acetic acid is purest form of acetic acid in which anhydrous form or undiluted form of aceti...

Q: You started with 1.000 g of unknown and isolated 0.9550 g of metallic Cu. What is the calculated for...

A: So,we have 0.995 g of Cu, Therefore, we must have 0.005 g of something else (Let it be x) Weight rat...

Q: What is/are the missing reagent(s) in the following reaction? and СООН O 1)NBS/UV/CCI4 2)CN" 3)H3O*/...

A:

Q: How many mL of 0.20 M calcium hydroxide are needed to completely neutralize 75.0 mL of 0.25 M hydrof...

A: Given-> Molarity of Ca(OH)2 (M1) = 0.20 M Volume of HF(V2) = 75.0 ml Molarity of HF(M2) = 0.25 M ...

Q: The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to pred...

A:

Q: 3. Provide the products, intermediates, and/or reagents for the following reactions: (a) CH3 (i) H2N...

A:

Q: If the molar solubility of MnCO3 is 2.1l × 10-0 M at a certain temperature, what is the Kgp for the ...

A:

Q: according to the equation below. 6CO.(g) + 6H,0(1) C,H,O,G) + 60,(8) Substance CO.lg) H,O() CH,Odls)...

A:

Q: In a liter of 0.2F solution of propionic acid, HCSHO2_it has ionization constant of 1.34 x 10, calcu...

A:

Q: Calculate the molar mass of a compound if 0.400 mole of it has a mass of 308.0 g.

A: Given :- no.of moles of compound = 0.400 mol  Mass of compound = 308.0 g  To calculate :-  Molar mas...

Q: C(s) + CO,(g) 5 2CO(g) K, = 1.90 atm

A:

Q: we Can treat methane (CH4) as an ideal gas at temperatures above its boiling point of -161. °C. Supp...

A: T1 = -24.0°C = -24.0 + 273 = 249K T2 = 18.0°C = 18.0 + 273 = 291K  P1= 6.2 atm Volume increased = 35...

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,0). W...

A:

Q: A 7.00 L tank at -10.6 °C is filled with 12.1 g of sulfur hexafluoride gas and 10.0 g of dinitrogen ...

A:

Q: What is the percent ionization at 25 °C for a 0.00675 M solution of codeine (CH2, NO)? O 18.7% O 1.5...

A:

Q: Ferrochromium alloy is produced by aluminothermic process using a mixture of 800 g chromite (contain...

A: Ferrochromium alloy is a combination of two metals iron and chromium. In aluminothermic process, the...

Q: a. Cyclooctatetraene (COT) is shown below. Assume the molecule is planar, use the Hückel molecular o...

A:

Q: Select the compound that will have the lower equilibrium vapor pressure based on predicted intermole...

A: There are different types of forces act between the molecules:- Hydrogen bonding Dipole-dipole attr...

Q: 1) NaOH, H2O 2) РСС H H.

A: Given reaction is aldol condensation followed by oxidation with PCC

Q: Fes04(9) + 4 H2(G) 1. Consider the following chemical equation. 3 Fe(s) + 4 H2O(9) a. How many moles...

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

Q: Predict the MAJOR carbon-containing product(s) of the following reactions. Show stereochemistry wher...

A: Here, cyclic anhydride (reactant) is reacts with methanol(CH3OH) and forms an ester. With one equiva...

Q: Question 2 Based on the reaction below, which direction would the following changes to the reaction ...

A:

Q: Fill in the boxes below with the necessary reagents. Each box must be one synthetic step (i.e., one ...

A:

Q: Clikk in the ansner box to activate the palette. Determine the ompirical formula of a compound havin...

A:

Q: Calculate the mass of excess reagent remaining at the end of the reaction in which 90.0 g of S02 are...

A:

Q: A 100.0-mL sample of spring water was treated to convert any iron present to Fe2*. Addition of 25.00...

A: Balanced equation of the reaction between Fe2+ and Cr2O72- indicates 6 moles of Fe2+ combines with 1...

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

A: We can calculate the equilibrium pressure of H2 by drawing an ICE table. We would use given initial ...

Q: 5. The pOH of a solution, which is 0.5F with respect to a weak monoprotic acid is 9.2. calculate the...

A: Ionization constant of acid = Ka = [Product] / [Reactant] Also, pOH = - log [OH-] pH + pOH = 14 pH =...

Q: Part A At 650 K, the reaction MGCO3 (8) : = 0.026. A 11.8 L container at 650 K has 1.0 = MgO(s)+CO,(...

A: Please find your solution below : According to Boyle's law, when the temperature is held constant pr...

Q: alculate the mass of excess reagent remaining at the end of the reaction in which 90.0 g of SO2 are ...

A:

Q: In a(n) neutral solution, the concentration of H3O+ is _____ the concentration of OH-. -greater ...

A: Given statement : in a(n) neutral solution, the concentration of H3O+ is _____ the concentration of ...

Q: OH Нeat MeO Me Me OMe Он HO Me MeO MeO Me Me MeO Me A B Me Me D Me

A:

Q: Click in the answer box to activate the palette. Determine the empirical formula of a compound havin...

A: From the given percentage value we calculate moles of each element . Then ratio of the moles of elem...

Q: /hich of the following reactions will result in formation of a ketone? 1) 0=C=0 CA) MgBr 2) H3O* 1) ...

A: Given are organic reactions 

Q: 1.Calculate the number of moles and millimoles of benzoic acid (MM= 122.1 g/mol) that are contained ...

A:

Q: How do you write out a balanced chemical equation?

A: To write a balanced equation, the reactants go on the left side of the arrow, while the products go ...

Q: Be sure to answer all parts. Heating copper(II) oxide at 400°C does not produce any appreciable amou...

A:

Q: A gas initially at 67.0 °C and 3.75 atm is heated to 346 °C and the pressure is reduced to 2.68 atm....

A:

Q: . Calculate the final pressure (in atm) if the temperature is changed to 54 degrees C at constant vo...

A: Using Gay-lussac law, At constant volume,  P1/T1 = P2/T2 1.4/294 = P2/327 P2 = 1.6 atm So, final pre...

Q: Complete the reaction scheme below with the missing structure and any other necessary reagents. You ...

A: The answer is as follows:  

Q: From Ch. 6: 1. Determine the molar mass of a gas if a sample weighing 0.603 g is collected in a flas...

A:

Q: ntaccium hudroxide solution what is the nH at the midpoin

A: Acetic acid is a weak acid. At mid point of titration ,i.e. half neutralization point buffer is form...

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.