Can you help me express this in mg CaCO3? Given:  Weight of CaCO3 = .2515 g

Q: True or False a. The higher the sphericity of the material, the greater is the surface area per unit...

A: 1- Sphericity(ϕ)=6/dpSP/VP  it is the ratio of surface to volume ratio of sphere to the surface to v...

Q: i need the answer quickly

A: Chemical Composition by weight to a sample of the cement is: CaO SiO2 Al2O3 Fe2O3 SO3 MgO LOSS ...

Q: (3)A piston-cylinder device contains argon gas that is initially at 110 kPa, 59°C, and 2.86 m'. The ...

A: Initial temperature of the system, T1 = 59°C = 332 K The initial pressure of the system, P1 = 110 kP...

Q: calculate ΔH for the following reaction  C6H12O6+6O2=6Co2+6H20 Given the following standard enthalpy...

A: Enthalpy of formation of: C6H12O6=-1275.0kJ/mol O2=0kJ/mol CO2=-393.5kJ/mol H2O=-285.8kJ/mol  To Cal...

Q: Number 7 please and thank you!

A: The initial weight of the can of soda=340g The final weight of the can of soda after it was left ope...

Q: Answer with 4 decimal places.

A: A continuous process is taking place where water is removed from the paper continuously by the help ...

Q: A rigid tank  filled with water is divided into two chambers by a membrane. the membrane is a perfec...

A: A membrane is used in a rigid tank of water to separate it into two chambers ‘a’ and ‘b’.   Chamber ...

Q: Water flows steadily from an open tank as represented in the diagram below. The elevation (from grou...

A: Area at point A = 0.048m2 Area at point B =0.0160 m2 elevation at point A =10m elevation at point B=...

Q: Can you see the benefit of defining a different fluid package for the column and main environments? ...

A: Fluid is nothing but is a substance that continuously deforms under applied shear stress that is kno...

Q: .A 5-stage countercurrent absorber is used to absorb acetone from air into water at 3 atm pressure a...

A: Given data: Number of counter-current absorption stages = 5 Pressure of system = 3 atm Total gas low...

Q: Solubility Curve Key Use the solubility curve provided below to answer the following questions. Don'...

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part ...

Q: If pic is not clear mark it on pic normal melting point and triple point by different colours and te...

A: In thermodynamics, the triple point is defined as the temperature and pressure at which solid, liqui...

Q: Q2) A 100 MW power plant uses the lake water at 20°C to condense the steam in a boiler operating at ...

A: Inlet temperature = 20°c = 293 K Boiler temperature = 800°c = 1073 K  Power output = 100 MW  Heat ca...

Q: Research for the boiling point of the following mixture of compounds. Encircle which would boil firs...

A: The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals t...

Q: A gas mixture at 1,274 atm is composed of three gases. If the mole fraction of gas A is 0.382 and th...

A: Given, Total pressure, P=1.274 atm Mole fraction of A, XA=0.382 Mole fraction of B, XB=0.275

Q: (c) How does the energy and length of the carbon-oxygen bond in CH3OH(t) compare with the carbon-oxy...

A: CH3OH also known as methanol is a compound which includes C and O bonds linked to each other, and ha...

Q: How much heat will be released when 1.48 g of chlorine reacts with excess phosphorus according to th...

A: The amount of heat released from the given mass of chlorine is to be determined.

Q: A team of geologists conducting research on a remote island have discovered a new crystalline substa...

A: This question is based on bonding.    

Q: 7. The specific heat of ethanol is 2.4 J/(g.°C). A 5 g of ethanol absorbs 550 J of heat, and the ini...

A: Specific heat of ethanol Cp = 2.4 J/g°c  Mass of ethanol m = 5 g  Heat absorbs Q = 550 J  Initial te...

Q: A student is trying to convert between milliliters and picoliters. What value correctly completes th...

A: The given data for conversion is: 25 mL×10−3 L1 mL×1 pL?   Here, mL is mililiter, L is liter, and pL...

Q: The boiling point of compound X is 12°C and its enthalpy of vaporization is 24.6 KJ/mole. What is th...

A: The boiling point of the compound=12oC=285.15K The enthalpy of vaporization(∆H)=24.6kJ/mole To Calcu...

Q: c. Rods of copper, brass, and steel are welded together to form a Y-shaped figure. The cross-section...

A: Write the expression for heat current in radiation as follows: H = kA∆TL      ........1   Here, H is...

Q: A container initially contains N2, H2, and NH3 gases with concentrations of 0.82 M, 0.54 M, and 0. 3...

A: N2 (g) + 3H2 (g) <--> 2NH3 (g)  T = 375°C KC = 1.2 Concentration N2 = 0.82MConcentration H2= 0...

Q: Refer to the following data: Mass of empty ampuole = 4.3 g Mass of ampuole + 5 mL water = 9.8 gMass ...

A: Mass of empty ampoule= 4.3 g Mass of ampoule + 5 mL water = 9.8 g Mass of ampoule + 5 mL alcohol = 8...

Q: The Henry's law constant for gaseous oxygen in liquid water at 20C is 1.38 x 10^-3 mol/ L atm calcul...

A: Given Data : Henry's Law states that the amount of gas dissolved in a liquid is directly proportiona...

Q: A compressor is to compress 5.0 mol/s of air at 20°C and 200 kPa to 800 kPa. The ratio ofconstant pr...

A:

Q: 1. (a) Derive the Gibbs phase rule. (b) Explain using the phase rule, when the degree of freedom of ...

A: Note: Since you have asked multiple questions, we will solve the first question for you. If you want...

Q: Water is flow in a 4 in Schedule 40 steel pipe at 20 0C and 1 atm. Orifice meter with orifice diamet...

A: pipe diameter (d1 )for 4 inch schedule 40 pipe = 4.026 inch = 0.1023m  throat diameter (d2) = 0.062m...

Q: (ii) An industrial burner uses ethene as its fuel. The stoichiometric combustion equation of ethene ...

A: Combustion is defined as the substance that burns is usually referred to as fuel. Complete combustio...

Q: Calculate the equilibrium concentration for hydroxide ions for a reaction of 0.0200 M Cr(OH)3(aq) wi...

A: Cr(OH)3 reacts with hydroxide to form tetrahydroxychromium (III) ion.

Q: Two flasks contain 40% and 70% by volume formaldehyde, respectively. If 200 g out of the first flask...

A: There are 2 flask that contain some amount of formaldehyde. First will find how much must be removed...

Q: The active ingredient in a popular antacid remedy is CaCO3 (more familiaras the main component of ch...

A: This question is based on the concept of Entropy change. Data given : Entropy Values : For CO2(g) = ...

Q: Using the van der Waals equation, calculate the pressure, in Pascal, exerted by 4 gmol of CO2 contai...

A: Moles of CO2(n)=2 moles The volume of fire extinguisher(V)=6.25×10-3m3 Temperature(T)=25oC=298K To C...

Q: Please use Book: Introduction to Chemical Engineering Thermodynamics 8 edition, 2018 (Smith, J.M., V...

A:

Q: Beer's law effectively states that the relationship between the absorbance of a solution and the con...

A: The Beer-Lambert law states that there is a linear relationship between the concentration and the ab...

Q: 4. How many moles of potassium bromide (KBr) are produced when 5.25 moles of KI reacts with an exces...

A: This question is based on mole concept. Data given : Moles of KI = 5.25 moles Excess reactant  = Br2...

Q: Please quickly because it is an exam

A: Inlet Feed Rate= 1000 Kg/hr Feed: Benzene = 35% = 350 Kg Toluene = 100-35 = 65% = 650 Kg Distillate ...

Q: I made 100 mL of a 0.1 M solution of NaCI. Match the correct values to the varial 0.58 Liters of sol...

A: This question is based on the concept of molarity. Data given : Volume of solution made  = 100 mL Co...

Q: Already calculated specific volume of steam at inlet as 0.208985 m3 /kg, area of inlet as 0.0312m2 ,...

A:

Q: Question 1, Please

A: Question 1: Given reaction is: CH4(g) + 2H2O(g) ↔ CO2(g) + 4H2(g) The heat of formation of all the s...

Q: Calculate the equilibrium pressure of gas at 773 K. PbCO 3 (s) rightleftharpoons PbO(s)+CO 2 (g); tr...

A: Le chatlier's principle states that the equilibrium shifts will take place when there is a change in...

Q: Q3/A particle moving along the x-axis has its motion described by the equation v=2t'-2t,where v is i...

A: The acceleration of the object in the x-direction is to be calculated.

Q: Find the equivalent weight of HCl and Na₂CO3

A: The equivalent weight of HCl and Na2CO3 is to be calculated.

Q: A stream of bread dough is fed steadily through an oven in a large bread-baking operation. The dough...

A: Flow rate Q = 110 ft³/hr  Inlet temperature = 70° F Exit  temperature = 400°F  Density ρ = 58.7 lbm/...

Q: For the reaction 2X- Y + Z, the rate constant is 0.0543 L.mol"s at 23 °C. The rate constant increase...

A: Given: For the given reaction; 2X → Y + Z The rate constant k1 = 0.0543 L.mol-1.s-1 at T1 = 23 oC = ...

Q: How many mL of solution will result when 15.0 g of H2SO4 (Molar mass = 98 g/mole) is dissolved to ma...

A: The volume of the solution obtained from the given mass of solute is to be calculated.

Q: Compute for the total entropy change (∆Suniv) in the oxidation of metallic iron into ferric oxide (F...

A: ∆Hf(for elemental substance)=0 ∆HFe2O3=-824.2 kJ/mol 4Fe (s) + 3O2(g) →2Fe2O3(s)

Q: If 7.5 g of sodium nitrate, NaNO3 is dissolved in 85ml of H2O (density of H2O = 1.0g/ml), calculate ...

A: Given, Mass of sodium nitrate=7.5 g Volume of water, V=85 ml Density of water, d=1.0 g/ml

Q: Answer with 4 decimal places.

A: Rate of inlet feed gas at the bottom, V­b = 100 kmol/h Mole fraction of benzene in unlet gas, yb = 0...

Q: 6.5 Calculate the partial molar heats of mixing of zinc and of cadmium in a Zn-Cd alloy.containing 0...

A: Draw the graph between ∆Hmix vs xZn as follows: