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Q: N2(g) + 3H2(g) → 2NH3(g) Supposed you start with 100.0g of hydrogen and nitrogen:a. Which would be t...

A: Given:Moles of H2 = 100 moles.Moles of N2 = 100 moles.

Q: The % m/m of a solution made by dissolving 6.00 g NaCl to make 200. g of solution is _______% m/m.

A: The term molarity is used to express the number of moles of solution which are dissolved in one lite...

Q: A chemist places 5.45 g of sodium carbonate in a 250 mL volumetric flask and fills it to the mark wi...

A: Equation for calculating molarity is given below.

Q: For the chemical reaction shown, 2H2O2(l)+N2H4(l)⟶4H2O(g)+N2(g)2H2O2(l)+N2H4(l)⟶4H2O(g)+N2(g) determ...

A: For the given chemical reaction, the grams of N2 that are produced from the reaction of 8.11 g of H2...

Q: What is the molarity of a solution that has 5.024 X 1023 atoms of Glucose (C6H12O6)?

A: Assuming there is one litre of solutionGiven5.024x 1023 atoms of glucose are present

Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.003 m3 to 0.00405 m3 at a co...

A: Given information:Amount of heat added to the system = 500 JInitial volume of the gas = 0.003 m3Fina...

Q: Calculate the number of moles of precipitate that would be produced when two solutions were mixed. a...

A: PbI2 is precipitated when Pb(NO3)2 and KI.

Q: Im having trouble finding J*mol^-1*K^-1.

A: The given temperature in Kelvin scale can be written as follows,-9oC = 264.15 K11.3oC = 284.45 KTher...

Q: How many moles of phosphine are prepared from 7.00 moles of Ca3P2?

A: Phosphine can be prepared by the reaction of calcium phosphide and water. The balanced reaction of f...

Q: Calculate the solubility at 25°C of CaF2 in pure water and in a 0.0060M  NaF solution. You'll find K...

A: The equation can be written as follows,

Q: [Review Topics] RE Classify the following compounds as chiral, achiral (but not meso), or meso. OH H...

A: The organic compounds that have atleast one carbon atom bonded to four different groups and that exh...

Q: Using the Bohr model, determine the energy in joules of the photon produced when an electron in a He...

A: Using the Bohr model, the energy is

Q: A gas occupies a volume of 1.25 L at a pressure of 5.50 atm, what will be the pressure (atm) of the ...

A: Given:Initial Volume V1 = 1.25L.Initial Pressure P1 = 5.50 atm.Final Volume V2 = 4.42 L.Temperature ...

Q: A coin dealer offered a rare silver coin, suspected that it might be a counterfeit nickel copy. The ...

A: Given,Weight of coin = 17.0 gWeight of water = 29.0 gSpecific heat of nickel, s = 0.445 J/goCSpecifi...

Q: 36 ouncew of beer is equivalent to how many standard drinks?

A: 12 ounces of standard beer (regular) contains 5% alcohols.24 ounces of standard beer (regular) conta...

Q: Chemistry Question

A: The Henderson-Hasselcbalch equation is given by

Q: Nitrogen and hydrogen combine at a high temperature, in the presence of a catalyst, to produce ammon...

A: The balanced chemical reaction is given below.N2 (g) + 3H2 (g) ⟶ 2NH3 (g)

Q: Scores A 150.0-mL bubble of hot gases at 209 °C and 2.00 atm escapes from an active volcano. eText P...

A: Given:Initial volume of Bubble =  150 mL = V1 Initial T = 209 o C = 482.15 K = T1Initial P = 2 atm =...

Q: - How would your value for the percentage yield be changed (increased, decreased, or remain the same...

A: When the product compound did not heat long enough to remove all of the water then there was moistur...

Q: 1. A sample of sodium metal is added to water and the hydrogen gas evolved is collected in a gas mea...

A: Given that volume of hydrogen is 75.0 m L at 26 degree Celsius and 0.974 atm.

Q: What is the enthalpy change for the following reaction?

A: According to Hess’s Law “total enthalpy change of a reaction is the sum of enthalpy change of multip...

Q: Analyzing a mixture of salts with differing cations and/or anions can be far more complicated than a...

A:

Q: question 10. predict the product of the following reaction

A: The reaction between carbonyl compound ketone and Grignard reagent is given in step 2

Q: If the needed reaction is 4C --> D and the given reaction is D --> 4 C with ΔH = 134.7 kJ, wha...

A: If the needed reaction is 4C → D and the given reaction is D → 4 C with ΔH = 134.7 kJ, then the ΔH f...

Q: Question 6

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of heat...

Q: balance this redox reaction:

A: The balanced chemical equation is the equation in which total charge and the number of atoms of each...

Q: [Review Topics] [saouerajas Draw a structural formula of the SR configuration of the compound shown ...

A: The original molecule is

Q: The oxidation of the sugar glucose, C6H12O6, is described by the following equation: C6 H12 O6(s) + ...

A: (a)Amount of heat (in kilojoules) produced by the metabolism of 1.0 g of glucose is determined as fo...

Q: Given that the ΔHorxn = -563.0 kJ, for the following reaction: 4FeO(s) + O2(g) → 2Fe2O3(s) determine...

A: Given that,

Q: Assuming an efficiency of 44.60%, calculate the actual yield of magnesium nitrate formed from 142.9 ...

A: Number of moles of magnesium = 142.9g/24.305g/mol = 5.879 mole.From the balanced equation, it is cle...

Q: What is the molarity of a 3.43 m solution of KCl dissolved in water, given that the solution has a d...

A: Molarity is defined as the ratio of number of moles of solute to the volume of solution is liters. T...

Q: If 37.23 mL of a sodium hydroxide solution is required to titrate 2.34 g of KHP, to the endpoint, wh...

A: The reaction between NaOH and KHP is given below.

Q: A bag filled with lead shots is dropped from a height of h = 33.0 m. The total mass of the bag is m ...

A: According to the law of conservation of energy, the total energy for a given isolated system remains...

Q: I'm a crystal of silver, four atoms occupy the volume of a cube that is 0.409 no per side. Taking th...

A: Given:Edge length  = 0.409 nmDensity = 10.5Calculate the number of atoms in one mole of silver ?

Q: Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 8. 2AI 3C12 ...

A: (a)Number of moles of reactants is calculated.

Q: [References [Review Topicbs) Classify the following compounds as chiral, achiral (but not meso), or ...

A: Meso compounds: A molecule that has chiral centers but also possesses an internal plane of symmetry....

Q: A sample of a compound is found to contain 21.82 g of carbon, 9.16 g of hydrogen, 20.42 g of oxygen,...

A: Mass of compound is,

Q: You are trying to prepare 75 mL of 1.00 M sodium chloride solution. How many grams of sodium chlorid...

A: Given data,The volume of NaCl = 75 mLThe concentration of NaCl = 1.00 MMolar mass of NaCl = 58.44g/m...

Q: How many moles of Al are necessary to form 25.8 g of AlBr₃ from this reaction: 2 Al(s) + 3 Br₂(l) → ...

A: The conversion is like:Grams of aluminum bromide to moles of aluminum bromide to moles of bromine to...

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: Suppose a 250.mL flask is filled with 0.80mol of CO, 0.60mol of NO and 0.20mol of CO. The following ...

A: The molarity of a solution refers to the concentration of the given solution and can be defined as t...

Q: The reaction between iron(II) oxide and carbon monoxide produces iron and carbon dioxide. How many m...

A: The first reaction given is

Q: If 37.23 mL of a sodium hydroxide solution is required to titrate 2.34 g of KHP, to the endpoint, wh...

A: Chemical reaction between sodium hydroxide and KHP is given by:

Q: Describe the general arrangement of subatomic particles in the atom?

A: The arrangement of subatomic particles (electrons, protons, neutrons) in atom:Atom is the basic unit...

Q: Electronic transitions, for the n=3 to n=2

A: For electronic transition from n = 3 to n = 2 the E difference value is determined as follow,

Q: In what ways are isotopes are alike? In what ways are they different?

A: Isotopes are the atoms of same element having the same atomic number.

Q: 2. How much 12.0 M HNO3 solution and how much water should be mixed together to prepare 2.25L of 0.8...

A: The dilution equation is given below.M1* V1 = M2* V2Where, M1 is the original concentration, M2 is t...

Q: Aluminum reacts with chlorine gas to form aluminum chloride via the formula pattern: 2Al + 3Cl2 ➝ 2A...

A: Number of moles of reactants is calculated.

Q: How m any grams of dextrose are in 1200 mL of a 5% D5W solution?

A: 5% D5W solution implies that 5g of dextrose (solute) is present in 100mL of the solution.

Q: For the chemical reaction   CaI2+2AgNO3⟶2AgI+Ca(NO3)2CaI2+2AgNO3⟶2AgI+Ca(NO3)2   what mass of silver...

A: According to the given reaction, one mole of calcium iodide produces two moles of silver iodide. The...

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.