t takes a runner 37 minutes to complete a 10 km course. What is his/her average speed in miles per hour? If 1 liter of gas costs $1 Canadian, what is the price in $US/gallon? (assuming $1CAN = $0.75 US) A patient is prescribed 1.0 g of a medication to be taken two times a day. If the medicine is available in 200−mg tablets, how many tablets are needed in a 24−hour period?

Q: 1. How many MOLES of carbon tetrabromide are present in 1.74 grams of this compound ? moles. 2. How ...

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Q: Determine the point group of the following orbital:

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Q: How does the following affect the acidity or basicity of compounds? Explain clearly and thoroughly. ...

A: Answer is :

Q: Indicate whether or not each of the structures is considered to be aromatic. NH A Which is true? A i...

A: We have to find whether these compounds are aromatic or not.  

Q: Problem 64 C1,H120 MW = 148 Problem 64 - 1H NMR spectrum (CDC13, 50 2H 2H EDC13 1H DC13 ntents

A: 1H-NMR provides the information about the number and types of hydrogens of unknown compound.  

Q: At a certain temperature the rate of this reaction is first order in NH,OH with a rate constant of 0...

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Q: Some measurements of the initial rate of a certain reaction are given in the table below. [H.] 12 in...

A: Rate constant is proportionality constant of rate law expression, rate law is experimental analysis ...

Q: What is sampling in analytical chemistry?

A: Analytical chemistry is a branch of chemistry in which we analyze the sample by different techniques...

Q: Cisplatin preferentially binds N' of the purines adenine and guanine. Draw the product of the follow...

A: The correct answer is given below

Q: Describe (in detail) the preparation of 800 mL of 50 parts per thousand of Cl- from 0.02 M Lead(II) ...

A: Here we have to prepare 800ml of 50 parts per thousand of  Cl- from 0.02 M PbCl2 solution.

Q: Specify the formal charges (both sign and magnitude) on the atoms labeled a-c b 1) H3C-C=N=o: a 0 bo...

A: C, N , O contains 4 , 5 and 6 valence electrons respectively. 

Q: moles. grams.

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Q: Which statement is correct? I. The carbons in a chair conformation will have two axial or two equato...

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Q: Which of the following HC is most soluble in water? A) Benzene and derivatives B Alkyne C) Alkane D)...

A: The correct option is option A.

Q: 5. Identify each of the following changes of state as melting, freezing, or sublimation. a. Dry ice ...

A: The correct answer is given below

Q: 1. How many MOLECULES of water are present in 3.00 moles of this compound ? molecules. 2. How many M...

A:

Q: ST4B.1- Estimate the CHANGE in the boiling point [in Kelvin units or Celsius degrees] of a liquid if...

A: To estimate change in boiling point for the given set of data: P1 = 1.00 atm P2 = 1.00 atm + 5% incr...

Q: 3-21 Draw a Newman projection along the C2-C3 bond of the following con- formation of 2-butanol.

A:

Q: What is the effect of the ratio of conjugate base to acid on buffering capacity?

A: In essence buffer solutions resist changes in pH. A buffer contains appreciable amounts of a weak ac...

Q: What is the percent yield of CO 2 if the reaction of 10.0 grams of CO with excess O 2 produces 12.8 ...

A: Given,  10 g of CO with excess O2 produces 12.8 g of CO2.  Actual yield = 12.8 g  Limiting reagent i...

Q: Write the ionization constant expression for a 50 mM aniline solution (pKb=9.40 @ 25 C).

A:

Q: 1. Which match is correct for thermal [2+2] cycloaddition reaction (a) suprafacial /suprafacial →All...

A: [2+2] cycloaddition

Q: Calculate the pH of a solution formed by mixing 120.0 mL of 0.30 M HClO with 1180.0 mL of 0.20 M LiC...

A:

Q: C3H8(g) + 502(g) = 3CO2(g) + 4H2O(g)

A:

Q: In their second titration trial, a student calculated that a 27 mg sample of their antacid neutraliz...

A:

Q: A certain element consists of two stable isotopes. The first has a mass of 138 amu and a percent nat...

A:

Q: A soft drink costs 75 cents for a 12-oz can. A two-liter bottle costs $1.25. How much more expensive...

A:

Q: how many dozen bagels do you have (assume that 1 bagel weighs 4oz

A: I have 20 lbs of bagles. 1 bagles weighs 4 oz. This oz is actually ounce which is nearly 1/16 pounds...

Q: Nitrogen dioxide dimerizes according to the following reaction: NO2 (g) = N204 (g) Kp = 6.7 at 298 K...

A:

Q: A compound with a resonance that increases the stability of its conjugate acid is a strong acid. (A)...

A: Acids are substances that give hydrogen ions in a solution and bases are substances that give hydrox...

Q: How many grams of Mg are there in a sample of Mg that contains 6.21x1023 atoms? grams

A: The amount of Mg present can be calculated as

Q: Activity 2: Complete the table below. Lewis Bond Molecular Polarity of Molecule Structure EN Polarit...

A:

Q: For the Diels-Alder reaction, identify the diene, the dienophile, and the Diels-Alder adduct. H3CO. ...

A: A diene is an organic compound, especially a hydrocarbon, containing two conjugated double bonds whi...

Q: Draw the expanded structural formula of an organic compound with sixteen carbons using the following...

A: Solution :-  Here C1 and C2 has bond order 3 means it has triple bond and C4 form single bond with C...

Q: Excluding atoms that only have one electron shell, how many electrons does each atom want to have in...

A: Each atom wants to become stable and this is done by sharing or transfer of electrons. Sharing of el...

Q: Balance the following equation with the smallest whole number coefficients. What is the coefficient ...

A:

Q: Which of the following reactions will lead to a major product that exists as a 1:1 mixture of two di...

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Q: Dimensional analysis if you want to make 8 quesadillas how many lbs of cheese are required. each que...

A:

Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of ...

A:

Q: Calculate the molar concentration of nitric acid (63.0 g/mol) in a solution that has a specific grav...

A: Given,  % w/w = 70.5%  Specific gravity = 1.42  Density of solution = 1.42 g/ml  Molar mass of Aceti...

Q: What reagents would be used in each reaction (mechanism isnt needed).  State the differences betwee...

A: Aldol condensation reaction is condensation reaction between two aldehydes having alpha hydrogen ato...

Q: ct product fo

A:

Q: Determine the point group of the following molecule: Fe

A: The given compound is Ferrocene. It is a staggered compound.

Q: Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate cons...

A: A zero order reaction is the independent of the reactant concentration. And formula used [A]t = - k...

Q: The 3D image below is that of an allylic carbocation intermediate formed by the protonation of a con...

A: The addition of HBr to conjugated dienes can lead to 1,2 (Kinetic product) or 1,4 addition products ...

Q: 6. The following drawing shows the association constants of three different complexes in chloroform,...

A: Introduction :  Hydrogen bond is an intermolecular force that form a dipole- dipole attraction when ...

Q: 1. Listed below are solubility-vs.-temperature data for an organic substance A dis- solved in water....

A: (a) graph can simply be drawn using table data as follows.

Q: Estimate the λmax of the following organic compounds. Show your solutions and/or analysis.

A: Woodward–Fieser rules: The Woodward–Fieser rules are used for the calculation of the wavelength of t...

Q: Find the mistake in the following equilibrium expression and fix it. PCI5 (g) = PC13 (1) + Cl2 (g) K...

A: We have to predict the correct equilibrium constant expression.  

Q: A mixture of calcium oxide, Cao, and calcium carbonate, CacO 3, that had a mass of 3.454 g was heate...

A: