Chemistry Question

Q: Chlorine is used to disinfect swimming pools. The accepted concentration for this purpose is 1 ppm c...

A: Given : Mass of water in swimming pool = 8.45 X 104 gallons  Mass percent of chlorine = 6.00 %  And ...

Q: How do I solve this? Calculate the number of grams of lead (Pb) in 13.9 moles of lead.

A: Introduction :  We have to calculate number of grams of lead  Given : moles = 13.9

Q: Enter your answer in the provided box. What is the osmotic pressure (in atm) of a 1.83 M aqueous sol...

A:

Q: Draw all constitutional isomers formed in attached elimination reaction.Label the mechanism as E2 or...

A: Since OH- is a strong nucleophile, E2 elimination reaction takes place in the given reaction. Few im...

Q: Chemistry Question

A: Given: Mass of unknown metal     = 78.01 g Temperature change           = 45.2 oC Amount of heat abs...

Q: 3. Functional groups and application to human body for steroids ?

A: Steroids -  Steroids are generally the compound which are biologically active with four rings arrang...

Q: According to the following reaction, how many grams of hydrogen gas are required for the complete re...

A: Interpretation: From the given reaction, how many grams of hydrogen gas are required for the complet...

Q: Chemistry Question

A: A written representation of the chemical reaction is called as chemical equation. A chemical equatio...

Q: Compose the balanced reaction equation for the following reaction occuring in basic aqueous medium.R...

A: Redox reaction involves both the oxidation and reduction process simultaneously. In the given questi...

Q: 2. If the diploid number of an organism is 100 what is the haploid number

A: Given : Diploid number = 100  

Q: CHCl3 (chloroform) and CCl4 (tetrachloromethane) are both highly toxic organic solvents. a)Draw the ...

A: CHCl3 and CCl4 are used as organic solvents in organic chemistry. They are highly toxic solvents. Co...

Q: According to the following reaction, how many grams of barium sulfate will be formed upon the comple...

A: Calculate the moles of potassium sulfate using its molar mass,         moles  =  27.4 g174.259 g/mol...

Q: What factors cause transitions between the solid and liquid state? The liquid and gas state?

A: Given transitions,            Solid and liquid state             Liquid and gas state

Q: plan a short synthesis that exploits the chemistry of alcohols

A: When a hydrogen atom in an aliphatic hydrocarbon is replaced by –OH group, alcohols are formed. An a...

Q: Classify each solute given below by how it would best be depicted in solution. NaF M9SO, C,HO. КРО, ...

A: Let's see the representations and understand what it means.

Q: Arrange the following isomeric alkanes in order of increasing boiling point. I. n-heptane           ...

A: Isomeric alkanes are alkanes with same molecular formula but different attachment of atoms. Boiling ...

Q: At 500k the reaction has kp=0.497.in an equilibrium  mixture at 500k ;the partial pressure  of PCL5 ...

A:

Q: Circle and label the different functional groups in the molecule below.

A: All the functional groups are marked with different color    

Q: Explain how to find the standard enthalpy of formation for one chemical in a chemical reaction if pr...

A: As per the Hess's law of constant heat summation, the enthalpy change for a process is the same what...

Q: A tablet of a common over-the-counter drug contains 200 mg of caffeine (C8H10N4O2). What is the pH o...

A: Given mass of caffeine = 200 mg The given volume = 225 mL Kb = 4.1 x 10–4 pH = ?

Q: A compound is found to contain 7.523 % phosphorus and 92.48 % iodine by weight.What is the empirical...

A:

Q: Give the systematic names for the formulas or the formulasfor the names: (a) Na₂HPO₄; (b) potassium ...

A:

Q: How do you find Rf Values and what is the Rf calculation formula?

A:

Q: 21. Predict the products for the following single-displacement reaction and write a balanced molecul...

A:

Q: Which of the follow are not chiral (meal or no chiral center) 1,3 dibromobutane 2,3 dibromobutane 1,...

A: A chiral molecule is the one that has four different groups attached to a C atom and no plane of sym...

Q: Mass of gold cube in kg

A: Given, the density of solid gold metal is (d) = 19.32 gmlthe side of a cube of gold is = 5.30 cmHere...

Q: Chemistry Question

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this ca...

Q: Which of the following statements does not accurately describe the scientists’ work? a) J.J. Thomson...

A: Introduction :  We have to tell which statements does not accurately describes the scientists.

Q: 38.0 g of KBr was dissolved in 425.0 g of H2O. Calculate the freezing point of the solution.

A: The freezing point can be calculated as, △Tf = i x Kf x mi = Vant Hoff factorKf = Freezing point dep...

Q: Monel metal is a corrosion-resistant copper-nickel alloy used in the electronics industry. A particu...

A: Given data is: Length of plate = 15.0 cm Width of the plate = 12.5 cm Thickness of plate = 3.00 mm T...

Q: 2)Calculate the pOH of a 0.005472 M solution of OHminus.

A: M means the concentration in Molarity, moles/litre. Concentration = 0.005472 M

Q: For a mono-substituted phenyl ring, which of the following absorbances would one expect to observe? ...

A:

Q: Predict the products for the following combustion reaction and write a balanced molecular equation. ...

A:

Q: How many grams of glycine amide should be added to 1.00 g of glycine amide hydrochloride to give 100...

A: The given solution is a buffer solution whose pH can be determined using the Henderson-Hasselbalch e...

Q: Chemistry Question

A: Introduction :  1)We have to calculate moles of moles of NaCl required. 2) We have to arrange the el...

Q: How do I name this?

A:

Q: Chemistry Question

A:

Q: How many grams of C are required to react with 44.3 g Fe2O3?Given Fe2O3(s)+3C(s)→2Fe(s)+3CO(g)?

A: Given: Mass of Fe2O3 = 44.3 g Molar mass of Fe2O3 = 159.69 g/mol Molar mass of C = 12.0107 g/mol

Q: 1. A compound has pKa= 7.4. 60 ml of 1M HCl is added to 200 ml of 2M of this compound at pH = 8. - W...

A: Hello. Since the question contains more than three sub-parts, the first three sub-parts shall be onl...

Q: 0.180 mol N20.180 mol N2 and 0.573 mol H20.573 mol H2 are present initially. After complete reactio...

A: Given, Moles of N2 = 0.180 mol Moles of H2 = 0.573 mol Moles of NH3 produced = ?

Q: Chemistry Question

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for...

Q: 23. Predict the products for the following acid/base neutralization reaction and write a balanced mo...

A:

Q: Show your all work

A: Angle strain is generally observed in cyclic compounds with 3,4 and 5 carbons. It arises because the...

Q: A student proposed the following syntheses. Explain why they would notwork as written.

A: In the presence of CH3OH, H+, aldehyde form hemi-acetal which further treating with Grignard reagent...

Q: A 88.0 g ball traveling at a speed of 2.30 m/s has a kinetic energy of J

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: Kc for the reaction CO2(g) + H2(g) ⇌ H2O(g) + CO(g) is 1.6 at about 990°C. Calculate the number of m...

A: The ICE table in accordance with given chemical reaction is shown below. CO2gH2g↔H2OgCOgInitial2.00 ...

Q: The solubility of KNO3 is 155 g per 100 g of water at 75°C and 38.0 g at 25°C. What mass (in grams) ...

A: Given : Solubility of KNO3 at 75 oC = 155 g/100 g of water = 1.55 g KNO3 / g water Solubility of KNO...

Q: 2. Describe each of the following reactions in two sentences or less. Include an example of each rea...

A: Since you have asked the question with multiple subparts we can answer only first three sub parts. P...