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Interpretation:
In water freezes at
Concept Introduction:
Fahrenheit scale: The Fahrenheit and Celsius scale is similar to converting between different unit of length or volume, but is a bit more complex because two correction need to be made one to adjacent for the difference in degree size and one to adjacent for the difference zero points. The degree size correction is made by using the relationship
Rankine scale: It is similar to the Kelvin scale in that zero is absolute Zero; however, a degree Rankine is defined as equal to one degree Fahrenheit as opposed to one degree Celsius (as used by the Kelvin scale). The respective temperature of
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Chapter 1 Solutions
Pearson eText Fundamentals of General, Organic, and Biological Chemistry -- Instant Access (Pearson+)
- What is the chemistry principle behind when (treatment: heavy cream) is subjected to room temperature? Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83arrow_forward140 120 Super- critical A 100 fluid CO,(s) Co,(1) 80 Critical point 30.98°C, 60 72.79 atm 40 В 20 CO>(g) Triple point - 56.57°C, 5.11 atm -80 -60 -40 - 20 20 40 Temperature (C) Above is the phase diagram of CO2. What is the slope (in atm K1) of the line BC at 0°C? The Enthalpy of vaporization of CO2 is 15.326 kJ mol1. The density of CO2(1) and CO2(g) are 927 g/L and 1.977g/L, respectively. Pressure (atm)arrow_forwardFor the following Rx: +4.50 -1.25 X 070, what is the sphere power at 160? O +1.25D O-3.25D +3.25D O-1.25Darrow_forward
- A drug has a measured diffusivity of 5*10^-6 cm^2/s^-1 at 37 degree Celsius. What is this drug’s Stokes-Einstein radius in nm?arrow_forward6 x 10⁻⁵¹ = (0.15 M)² [S²⁻] [S²⁻] = (6 x 10⁻⁵¹) / (0.15 M)² Calculating, we find the minimum concentration of sulfide ion required: [S²⁻] ≈ 2.7 x 10⁻⁴⁹ M. check it calcution is writearrow_forwardBenzoic Acid Champi Sample Weight of sample 0.4997 g 0.4107 g Pressure in the container 3000 kPa 3000 kPa Measured heat of combustion 26.28 kJ/g or 6.281 kcal/g 11.74 kJ/g or 2.806 kcal/g 1. Calculate the calorific value of the sample in KJ, kcal and cal units.arrow_forward
- How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)? Report your answer in the requested units to the nearest 2 decimal places (Example "40.02"). Do not report the units in your answer; enter the numbers only. It is recommended that you do not round between calculation steps.arrow_forwardBSA Concentration (ug/mL) Abs 2000 2.25 1500 1.715 1000 0.915 750 1.156 500 0.714 250 0.082 125 0.086 25 0.082 Create a BSA standard curve Abs562=f[BSA] using a Scatter Plot representation in Excel.arrow_forwardSolution A is 20 degrees celsius, Solution B is 80 degrees celsius (both are the same kind of solution). The goal is to make a 50 degree celsius solution; How much of solution A do you need (starting with 100g of solution B)? (cp=4.184 J/g C)arrow_forward
- Calculez: 0.02cm+3.72mm+0.024m+230µm. Give the answer in mm (do not round off your answer, write all the figures in the result).arrow_forwardpH 7.54 PaCO2 28 mm Hg PaO2 45 mm Hg HCO3- 22 mEq/L. Please provide an IPAP, EPAP and FiO2 in ( values not words) Desired FiO2 = [PaO2 (desired) x FiO2 (known)] PaO2 (known)arrow_forward8 7- 6- 2- 1 405 180 225 270 315 [Substrate] (nM) 45 90 135 360 450 495 540 58! What are the units of Km from the plot shown above? nanometers O nM sec/nM O not enough information to tell O nM/sec rate (nM/sec) 3.arrow_forward