Some refrigerants are a mixture of three different refrigerants, R-32, R-125,and R-134a. In 1 pound of such a mixture, R-32 and R-125 together weigh0.706 pound. How much R-134a is in this mixture?

Q: May I ask how to calculate the enthalpy change for acetone as a liquid from 20 deg C to 60 deg C?…

A: Given: Initial temperature of liquid acetone T1=20 °C=293 K Final temperature of liquid acetone…

Q: Q4) A) What is the difference between R and Ru and how these two are related. B) What is the…

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Q: Determine the mass of Al2(SO4)3 that is required to p O 33.53 g Al 2(SO4)3 O 16.77 g Al2(SO4)3

A:

Q: 7pm: Operations has decided to squeeze off main. Pressure was 48 Psig after squeeze 15 minutes after…

A: Given :

Q: Calculate the residual enthalpy of R134a (refrigerant 134a) at 300 K and 15 bar using the SRK…

A: given = T = 300 K and P = 15 bar critical pressure and temperature for R134a  Pc = 37.61 bar and Tc…

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A:

Q: 8. Tantalum (BCC) has an atomic weight of 180.948 amu and an atomic radius of 0.146 nm. Calculate…

A: Step 1:The formula d= ZMwt/a3Na  Step 2: Step 3: Step 4:

Q: A. Water with Acid: pH results of addition of 1 M HCI to water in 0.1 mL increments: Deionized…

A: Given that: pH of deionized water = 7.00 Concentration of HCl solution = 1 M Volume of HCl = 0.1 mL…

Q: Calculate the number of vacancies per cubic meter in iron at 855 °C The energy for vacancy formation…

A: Given  Temperature = 855 oC                         = 1128.15 K Density = 7.65 g/cm3 Atomic weight =…

Q: A submarine can safely resist an external pressure of 1000 psig. How deep in the ocean can it safely…

A:

Q: How many grams does a molecule of CO2 weigh? 4.65 x 10-23 grams 7.31 x 10-24 grams 4.65 x 10-24…

A:

Q: there are 7.69 x 10^15 metric tons(T) of nitrogen in the atmosphere (1 metric=1000kg) How many short…

A:

Q: How ideal the sample is: sample pressure volume temperature (atm) (L) (°C) A 25.0 5.0 -5.0 |(Choose…

A: for sample A  Pressure = 25 atm , volume = 5 L , temperature = -5C° for sample B Pressure = 25 atm ,…

Q: 56 grams of nitrogen is placed in a three liter tank at -150.8 degrees Celsius. Estimate the tank…

A: Given data: The weight of the nitrogen = 56 g The volume of the tank = 3 L Temperature = ­- 150.8 0C

Q: Fluorine gas and water vapor react to form hydrogen fluoride gas and oxygen. What volume of hydrogen…

A:

Q: how did you know to times the 20 mol of HF by 1.25?

A: Molar flow rate of dichloromethane in the fresh feed = 10 mol/s % excess of HF in the fresh feed =…

Q: A single distillation column for separating a three-component mixture into three products is shown…

A: The total number of stages given further installation column is, N = 40 The number of components in…

Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.