Related Chemistry Q&A
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Q: How many grams of LiF(s) will dissolve in 500.0 ml of pure water Ksp=3.7x10^-3
A: Given that,
Q: Calculate the reaction enthalpy, ΔH, for the following reaction: CH4(g)+2O2(g)→CO2(g)+2H2O(l) Us...
A: As per the question, given reactions are mentioned below:
Q: The pH value of a solution is 9.00. What is the concentration of the hydronium ion?
A: The pH value is used to determine the nature of compounds.If any solution has a pH value less than 7...
Q: The electron configurations for four main-group elements are given. Match the electron configuration...
A: The electronic configurations for the 4 given main group elements has to be matched with their Lewis...
Q: Use the molar constant volume heat capacities for gases given in Topic 4C (as multiples for R) to es...
A: The change in enthalpy (ΔH) of each reactant and product is calculated using equation (1). The molar...
Q: 1. Find the formulas for the corresponding oxides following dehydration (removal of water) from each...
A: The formulas for the respective oxides for given compounds are obtained by using following steps,1) ...
Q: Question 4 For the aqueous [Ag(NH3)2]^+ complex =Kf×1.7107 at 25°C.Suppose equal volumes of 0.0082...
A: The molarity for a given solution can be defined as the ratio of number of moles to that of volume o...
Q: For each of the reactions below, classify as a combination, decomposition, single replacement, or do...
A: The given reaction is to be classified as a combination, decomposition, single replacement, or doubl...
Q: How do I calculate the number of moles of potassium permanganate used in each titration?
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...
Q: Show the mechanism and steps. Show all the work.
A: Click to see the answer
Q: Green light has a frequency of about 6.00 x 1014 s-1. What is the energy of a photon of green light?...
A: Green light has a frequency of about 6.00 x 1014 s-1. The energy of a photon of green light is to be...
Q: Show the mechanism: 1-Butene (C4H8)---> Butanone (C4H8O)
A: A chemical reaction is symbolic representation of the conversion of substances to new substances.In ...
Q: 3. Rate date were obtained for the following reaction at 25 C. What is the rate law expression and r...
A: The rate law expression and the rate constant for the given reaction is to be determined using the g...
Q: .53 In the Dumas-bulb technique for determining the molar mass of an unknown liquid, you vaporize th...
A: Given:Volume = 354 cm3 = 0.354 L.Temperature = 99oC = 372 KPressure = 742 torr = 0.97632 atm.Mass = ...
Q: Which of the following is equal to 1 mole of Carbon Dioxide (CO2) at standard temperature and pressu...
A: Given information:Moles of carbon dioxide (CO2) at standard temperature and pressure = 1 mole
Q: Please solve for entropy change at 2.5 moles of HF, (last part of question)
A: The entropy change, when 2.50 moles of HF condenses at atmospheric pressure can be calculated as,
Q: Using any data you can find in the ALEKS Data resource, calculate the quilibrium constant K at 25.0°...
A: Given chemical reaction:Fe2O3(s) + 3H2(g)→ 2Fe(s)+ 3H2O(l)
Q: Is there any possible way for Butene (C4H8) ----> Ethanol (CH3CH2OH)? and how about Beneze--->...
A: Hi there, thank you for the question. But we can answer only one question at a go. Please re-post th...
Q: Draw the abbreviated orbital diagram for selenium (Se). How many valence electrons are in an atom of...
A: Abbreviated orbital diagram : Abbreviated orbital diagram pictorially represents the arrangement of ...
Q: What is the final concentration of HCl in a solution prepared by addition of 922.0 mL of 4.73 M HCl ...
A: Solution stoichiometry involves the calculation of concentration of solutions in the given condition...
Q: Question 11 of 29> < The reaction for producing glucose in plants, called photosynthesis, is light 6...
A: Given reaction is,
Q: Iron(III) oxide reacts with carbon monoxide according to the equation: Fe2O3 (s)3CO (g)+2Fe(s) 3CO2(...
A: The term limiting reagent in a given reaction is defined as the chemical species which is totally co...
Q: How much energy as heat is required to raise the temperature of 50.00 mL of water from 25.50 °C to 2...
A: Click to see the answer
Q: A sample of gas occupies a volume of 68.1 mL. As it expands, it does 142.5 J of work on its surround...
A: The work done by a gas is given by expression (1), in which, w represents the work done, P represent...
Q: For 530.0 mL of a buffer solution that is 0.185 M in CH3CH2NH2 and 0.170 M in CH3CH2NH3Cl, calculate...
A: pKb of CH3CH2NH2 is 3.19.pOH of the solution can be determined using Henderson-Hasselbalch equation....
Q: What is the pressure in a 24.0-Lcylinder filled with 41.1 gof oxygen gas at a temperature of 312 K? ...
A: Number of moles of O2 is calculated as given below,
Q: Question 15 of 29> A mixture of hydrocarbons contains 40.0% heptane, C,H,, 14.6% nonane, COH2 and 45...
A: Balanced chemical equation for the combustion of heptane, nonane and octane is,
Q: Question 27 of 29> Aspirin can be sunthesized in the lab by combining salicylic acid (C,H0) and acet...
A: The reactant that limits the amount of product that is being completely used in the reaction is know...
Q: How to answer question 1?
A: The given dissociation reaction as follows,
Q: What is the hydronium ion concentration of a 0.0045 M solution of HNO3 ?
A: Chemical reaction is given by:
Q: A 100.0 mL flask contains 0.193 g of a volatile oxide of nitrogen which has the general molecular fo...
A: Given that,
Q: determine the molarity of a solution form by dissolving 468 mg mgl2 in enough water to yield 50.0ml ...
A: Molar mass of MgI2 = 278.1139 g/mol. Number of moles of magnesium iodide is calculated as,
Q: A 5.65 −g sample of a weak acid with Ka=1.3×10−4 was combined with 4.90 mL of 6.20 M NaOH and the re...
A: Given:Mass of weak acid (HA) = 5.65 gVolume of NaOH = 4.90 mL 0.0049 LMolarity of NaOH = 6.20 MVolum...
Q: 14. predict the product(s) of the following reaction
A: The given reaction is a ring-opening of epoxide. NaSH is a good nucleophile and hence, SH- attacks t...
Q: The heat released in the combustion of benzoic acid, C6H5COOH, which is often used to calibrate calo...
A: Given,Heat released during combustion of benzoic acid = -3228 kJ/molMass of benzoic acid, m = 1.658...
Q: Calculate the solubility of Ba(IO3)2 in pure water, Ksp=1.5x10^-9. Then calculate the solubility of ...
A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...
Q: Can you explain the equilibrium in acids and bases (arrhenius definition)?
A: An acid is a substance that gives ions in its solution whereas a basic substance gives ions in its...
Q: Cyclohexanol, C H,,OH, is sometimes used as the solvent in molecular weight determinations by freezi...
A: Weight of benzoic acid = 0.253 gWeight of cyclohexanol = 12.45g = 0.01245 kgLowering in temperature ...
Q: [Topic: Parts Per Million] Sodium hydrogen sulfate, NaHSO₄ , which is dissolved in water to release ...
A: Given information:Mass of NaHSO4 = 550 gVolume of water = 4.5×105 L
Q: A certain substance X has a normal boiling point of 131.9°C and a molal boiling point elevation cons...
A: Given information:Mass of X (solvent) = 600 gBoing point of X (Tb0) = 131.9 °CBoling point of soluti...
Q: 2
A: Cation: When electrons are removed from the atom that results to form positively charged ion called ...
Q: please explain , I'm having a hard time understanding this.
A: Ideal gas equation is also known as gas density equation. The ideal gas equation is shown below.
Q: Help 2
A: Click to see the answer
Q: aluminum metal has a specific heat of 0.901 j/g*c. How much heat is transferred to a 6.75 g peice of...
A: Given,Mass of aluminium = 6.75gInitial temperature = 20 degree CelsiusFinal temperature = 100 degree...
Q: A saturated solution of an unknown solid reacted with AgNO3 to give a pale yellow precipitate and al...
A: The anion is reacting with AgNO3 gives pale yellow precipitate, therefor the compound might be silve...
Q: What is the molarity of calcium bicarbonate if 9.80 mL of 1.50 M HNO3 is required in a titration to ...
A: Given:Volume of Nitric acid = 9.80mL = V1Molarity of Nitric acid = 1.50 M = M1Volume of Ca(HCO3)2 = ...
Q: Assign the following molecules to point groups: (i) HF, (ii) IF7 (pentagonal bipyramid), (iii) CIF3 ...
A: The given structures are,
Q: What is the formula weight (in amu) for ammonia, NH3?
A: Formula weight:The Total sum of atomic weight of all the elements present in the chemical formula is...
