Related Chemistry Q&A
Find answers to questions asked by students like you.
Q: What does the 'a' represent in the van der Waals equation of state for a real gas?
A: The ideal gas law is modified and a equation is propsed by Johannes D. van der Waals in 1873 conside...
Q: Given the following equation: 2 NaClO3 ➝ 2 NaCl + 3 O2, if 12.00 moles of NaClO3 reacted in the reac...
A: (a) given,Moles of NaClO3 = 12.00 molThe balanced equation is given as:2 NaClO3 ➝ 2 NaCl + 3 O2From ...
Q: A 0.204 g sample of CO32- antacid is dissolved with 25.0 mL of 0.0981 M HCl. The HCl that is not neu...
A: Click to see the answer
Q: In the reaction of calcium sulfate aqueous with barium nitrate aqueous produced barium sulfate as so...
A: Click to see the answer
Q: A student observed that, when 0.243 g of magnesium was added to 100.0 g of hydrochloric acid, the te...
A: Many chemical reactions give off energy. Chemical reactions that release energy are called exothermi...
Q: Explain and show oxymercuration-demercuration mechanism of trans-1,3-dimethylcyclohexane.
A: The structure of trans-1,3-dimethylcyclohexane
Q: Once the reaction in problem 1 reaches equilibrium, some additional B is injected into the flask fro...
A: Equilibrium constant (KC) is the ratio of product of molar concentrations of gaseous products to tha...
Q: What is the change in internal energy of the air within the piston? The air within a piston equipp...
A: Given, Heat absorbed = 555J. Initial volume = 0.10L. Final volume = 0.87L. ...
Q: The temperature rises from 25.00°C to 29.00°C in a bomb calorimeter when 3.50 g of sucrose undergoes...
A: Given,Mass of sucrose = 3.50g
Q: A 100.0-mL flask contains 0.250 g of a volatile oxide of nitrogen. The pressure in the flask is 760....
A: Ideal gas equation is also known as gas density equation. The ideal gas equation is shown below.
Q: What is the maximum mass of S8 that can be produced by combining 76.0 g of each reactant? 8SO2+16H2S...
A: Mass neither be created nor destroyed in a chemical reaction. Mass can be calculated in a balanced c...
Q: A reaction vessel contains an equilibrium mixture of SO2, O2, and SO3. The reaction proceeds such th...
A: Given:The partial pressures at equilibrium:PSO2=0.001312 atm PO2=0.003132 atm PSO3=0.0166 atm...
Q: Using standard heats of formation, calculate the standard enthalpy change for the following reaction...
A: Given:NH4NO3(aq) →N2O(g) + 2H2O(l)
Q: Which element is oxidized (Reducing agent), and which is reducing (Oxidizing agent) in the follwoing...
A: The element being oxidized is the reducing agent and the element being reduced is the oxidizing agen...
Q: How do i set this question up.
A: Given:Mol. Of HCl = 0.0084Volume = 1500 mLMolarity of HCl =?Con. H3O+ = ?pH = ?
Q: Sodium hydroxide is a commonly used base in neutralization titrations. It is a normal procedure to d...
A: Primary standards are reagents that are used for determining the concentration of the unknown. A goo...
Q: Most of the ultraviolet radiation reaching the surface of the earth is UV-A radiation, which has a w...
A: Given,Wavelength = 325 nm1 nm = 10-9 m
Q: The equipment used for aviation communications emits high‑frequency radiowave energy with a waveleng...
A: The energy of a photon of a radiation is expressed as:
Q: Sodium Borohydride Reduction @ the bottom of the page #1 and #2
A: Sodium Borohydride is a weaker reducing agent as compared to lithium aluminum hydride.It only reduce...
Q: A 2.06 M NaNO3 solution has a volume of 9.16 L. It is diluted to a volume of 29.484 L. What is the m...
A: Volume can be determined using the dilution expression,
Q: Help
A: the best fit line of the graph is
Q: What mass of natural gas (CH4) must you burn to emit 267kJ of heat? CH4(g)+2O2(g)=CO2(g)+2H20(g) C...
A: Number of moles of methane reacted can be calculated as follows,
Q: A 1.95 g sample of an unknown gas at 61 ∘C and 1.00 atm is stored in a 1.45 L flask. What is the...
A: Given information:Mass of sample = 1.95 gTemperature = 61 °CPressure of gas = 1.00 atmVolume of flas...
Q: Please solve for a and b
A: Click to see the answer
Q: Consider the reaction. 2Pb(s)+O2(g)⟶2PbO(s) An excess of oxygen reacts with 451.4 g of lead, formi...
A: In the reaction 2 moles of lead react with 1 moles of oxide to give 2 moles of lead oxide.
Q: 2Al(s) + Fe2O3(s) = Al2O3(s) + 2Fe(s) What is the Delta H degrees for this reaction?
A: Given:2Al(s) + Fe2O3(s) = Al2O3(s) + 2Fe(s)
Q: How many grams of diazine (N2H2) are there in 1.351.35 mol of the compound?
A: Given:Number of moles = 1.35 molesMolar mass of diazine = 30.02928 g/mol.
Q: To what volume should 50.0 mL of a 6.00M HCl stock solution be diluted to obtain a 1.50M HCl solutio...
A: Given:50.0 mL(V1) of a 6.00M HCl(M1)Volume(V2) of 1.50M(M2) HCl solution = ?Apply the law of Diluti...
Q: Write and balance the chemical equation for the reaction between carbon monoxide, CO(g), and oxygen ...
A: Balanced chemical reaction means that the number of individual atoms is equal in the reactant side a...
Q: In one experiment you reacted 45.7 g of Aluminum with 182.8 g of Iron (II) oxide to produce Aluminum...
A: Hi, since there are multiple sub-parts posted we will provide you with answers for the first three s...
Q: For the reaction Na2CO3+Ca(NO3)2⟶CaCO3+2NaNO3 how many grams of calcium nitrate, Ca(NO3)2, are nee...
A: The number of moles of a compound is the ratio of mass and molar mass. The mathematical expression i...
Q: Ammonia gas can be generated by the Haber process: N2 + 3H2 --> 2NH3 Determine the volume of NH3 ...
A: GivenMass of hydrogen = 28gMass of nitrogen = 122gPressure = 2.20atmTemperature= 313K
Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(I...
A: Given:4HCl(aq)+MnO2(s)⟶MnCl2(aq)+2H2O(l)+Cl2(g)
Q: 16
A: Ideal gas equation is the combination of Boyle’s law, Charles’s law, and Avogadro’s law. The ideal g...
Q: Saved Rank the following compounds in order of increasing boiling point. OH OH OH Increasing boiling...
A: Boiling point of alcohol is given by:tertiary alcohol < secondary alcohol < Primary alcohol
Q: Alpha particles have a mass of ??=6.64×10−27 kg. Calculate the de Broglie wavelength ?1 of an alpha ...
A: The relationship of the de Broglie wavelength and kinetic energy is given as:
Q: Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol....
A: The given reaction is:
Q: Problem 1
A: The molarity of a solution is the ratio of number of moles of a substance to the volume of solution...
Q: A buffer solution could be prepared from a. RbI and HI b.NaOH and HI c.KC2H3O2 and HC2H3O2 d.LiCN an...
A: Click to see the answer
Q: Analyzing a mixture of salts with differing cations and/or anions can be far more complicated than a...
A: Click to see the answer
Q: LP gas burns according to the exothermic reaction: C3H8(g)+5 O2(g)→3 CO2(g)+4 H2O(g)ΔH∘rxn=−2044 kJ ...
A: Given:The balanced chemical equation:C3H8(g)+5 O2(g)→3 CO2(g)+4 H2O(g)ΔH∘rxn=−2044 kJVolume of water...
Q: Gaseous ethane (CH CHwill react with gaseous oxygen (02) to produce gaseous carbon dioxide (CO, and ...
A: The balanced chemical reaction is shown as,
Q: How many sodium ions are contained in 99.6 mg of Na2SO3? Please show how you calculated this answer...
A: The weight of Na2SO3 = 99.6 mg = 0.0996gThe molecular weight of Na2SO3 = 126.05g/mol
Q: question 12. provide the missing reagents for the follwing reaction
A: Alcohol can be converted into aldehyde by using the mild oxidizing reagent.PCC, pyridinium chlorochr...
Q: Balance the chemical equation below using the smallest possible whole number stoichiometric coeffici...
A: Balanced chemical equation: An equation that obeys the law of conservation of mass by which the numb...
Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.0019 m3 to 0.005 m3 at a con...
A: Change in volume = 0.005 m3 – 0.0019 m3 = 0.0031 m3
Q: Most of us have had a glass of water from a Brita® pitcher. What is inside of a Brita® filter cartri...
A: The Brita filter cartridge is composed of copolymer of styrene methyl methacrylate.
Q: Given: 4 Al (s) + 3 O2 (g) 2 Al2O3 (s)How many grams of Al2O3 could be produced from 225 grams of ...
A: Given,225 grams of Aluminum.429 grams of Oxygen.
Q: In the reaction of silver nitrate with sodium chloride, how many grams of silver chloride will be pr...
A: The balanced equation and the moles of silver nitrate formed can be given as
Q: (a) Mass of the Calorimeter (two empty cups) in g: 4.0g (b) Mass of the cold water and the calorimet...
A: Given data:
