Soil sampled down to 1.8 m was mixed together then analyzed, and found to have 3.0 g C/kg on average. If the soil bulk density was 1.1 g/cm3 (same as Mg/m) what is the SOC stock in Mg C/ha? Round to the nearest whole number.
Q: The method of standard additions was used to determine nitrite in a soil sample. A 1.00-mL portions…
A: The linear relationship between the concentration of absorbing species and the absorbance is known…
Q: A 5-gram sample was placed in a graduated cylinder filled with water, where a rise of 4.5 ml was…
A: When the sample was placed in the graduated cylinder then a 4.5 ml rise was observed. Hence the…
Q: A variation of the indicator-dilution method (see preceding problem) is used to measure total blood…
A: The relationship which relates the calibration curve of absorbance (A) and tracer concentration (C)…
Q: How TGA curves(specimen weight against temperature) can be helpfull for finding the weight loss…
A: The term "thermal analysis" incorporates those techniques in which some physical parameters of the…
Q: A. Standardization of Sodium Hydroxide (NaOH) Solution 3 Trial 1 126.2 125.7 512 264mL Trial 2 Trial…
A: #B: analysis of an unknown acid: We have to use the molarity of the standardized NaOH obtained in…
Q: Calculate the bulk density of a 130 cm3 soil sample with an oven-dry weight of 160 g
A:
Q: Hot mix asphalt (HMA) is commonly used in the construction of roadways in the United States at a…
A:
Q: A student was tasked to recover the crystals after recrystallization. He weighed a piece of filter…
A: Given weight of filter paper before filtration = 0.9843g Weight of Filter paper + sample after…
Q: A water main that carries a flow of 0.5 MGD has been repaired after a break. The required chlorine…
A: Volume flowing = 0.5 MGD = 0.5 million gallon / day = 2273045 L/day (1 gallon = 4.546 L)
Q: A Bottle roll test was conducted on 2 kg of a soil sample at 50% solids. 50 g of the tailings was…
A:
Q: A small amount of resin weighing 4.56g occupies a height of a 10mL graduated cylinder equivalent to…
A: Mass of resin = 4.56 g Initial volume = 1 ml Final volume = 1.7 ml Density of resin = ?
Q: Formulate a ton mixture of complete feed containing fescue hay (50% TDN) and cracked shelled corn…
A: According to the problem, we have a ton mixture of complete feed containing hay and corn. 1 US ton…
Q: What is the primary function of the aeration step in water treatment?
A: Water treatment is such a process which helps in improvement of quality of water and becomes useful…
Q: Consider the data result in determining the presence of copper has a mean value of 50 mg and…
A: We need to find out the standard deviation ( σ ). Standard deviation is related with the…
Q: Choose the one correct or one incorrect statement regarding filtration: gravity filtration…
A: the correct option is:
Q: he concentration of caffeine in an energy soft drink was determined by standard addtion using MPLC…
A:
Q: and
A: Given data set; Mass of empty flask = 351.74 g Mass of heated flask = 354.40 g Molar mass of acetone…
Q: Ice cream product was analyzed for fat content. The beaker plus fat is 23.2514 g. Calculate the %…
A: Given the mass of pre-dried beaker + fat = 23.2514 g Mass of pre-dried beaker = 22.8058 g
Q: Thereproducibility of replicate measurements may be expressed by: 1. ORelative error 2. OAbsolute…
A: A multiple choice question based on statistical analysis, which is to be accomplished.
Q: 1. Standardization of approximately 0.025 M KMNO4 Data Table Experimental Vol of vol of KMNO4 (ml)…
A: The balanced ionic reaction between C2O42- and MnO4- is as follows: According to the balanced…
Q: mass of dish 1631.5 g mass of dish and mix 1822 g mass of dish and agg. after extraction…
A: We have find out the volume of the solvent.
Q: The following data represented the concentration of ofloxacin present in chicken meat samples: 4.17,…
A: Percentage relative standard deviation is given by formula % relative SD =(standard deviation /…
Q: Replicate water samples are analyzed for water hardness with the following results: 102.2, 102.8,…
A:
Q: Calculate the mean and sample standard deviation for the following data: 90.0, 90.0, 85.0, 83.0,…
A: The mean or average of the sample is obtained by dividing the sum of the given measurements by the…
Q: Please answer the average and Standard Deviation of each asap. I really need this.thank you
A: Average value and standard deviation given below.
Q: ICP is used to monitor a solution of 10 000 mg/L as feed to a nanofilter membrane. After 30 min, 60…
A: Icp Is inductivly Coupled plasma.is a powerful chemical analysis which can be used to identify both…
Q: Replicate water samples are analyzed for water hardness with the following results: 102.2, 102.8,…
A: Data measurements:
Q: The volume of the solution that can be measured with 5-10 microliter pipette and 2-20 microliter…
A: Volume of solution that is measured using a 20-200 microliter pipette is 0.02 mL to 0.2 mL. Hence,…
Q: For a sand filtration device, the flow rate of the influent is 30 m3/day with the sand filter area…
A:
Q: Use a spreadsheet to calculate the mean and standard deviation of the data set. 54.99, 54.40, 54.60,…
A: Given - expected values are 54.99, 54.40, 54.60, 54.63, 54.36
Q: An orange juice processing plant now produces essential oil from orange peels. one It is known that…
A: Here, it is given that during the production of essential oil from orange peels, 250 kg of peel…
Q: What's 3 products available on the market where its specific gravity must be measured with picture…
A: 3 products available on the market where its specific gravity must be measured: 1) Gems (to decide…
Q: A bacterial culture was grown for 12 hours. At 4-hour interval, the culture was sampled to determine…
A: Dilution refers to decrease in concentration of solution. It is accomplished by taking a sample of…
Q: etention volumes are 6ml and 7mL, respectively. The dead volume of the column used is 1n
A:
Q: has a bulk density of 1.1 g/cm3. The soil core is placed in a p iratod The ov on drv soil and watcr…
A: According to the question, a 500 cm3 oven dry core has a bulk density of 1.1 g/cm3. This oven dry…
Q: How large volume should be measured from a 37wt, 1.185 g/cm^3 density solution?
A:
Q: The concentration of caffeine in an energy soft drink was determined by standard addition using…
A: Given, mass of caffeine = 0.09850 g area of water =25.0 cm3
Q: Which of the following statements is false? * O Chromatographic analysis is independent of film…
A:
Q: Balanced Chemical Equation MnO4- +5Fe2+ +8H+ --> Mn2+ +5Fe3+ +4H2O Details mass (g) sample average…
A: The balanced redox titration reaction is: MnO4-(aq) + 5Fe2+(aq) + 8H+(aq) →Mn2+(aq) + 5Fe3+(aq) +…
Q: What is quantitative transfer and why is it used?
A: Qualitative transfer: this term is used whenever a solution/ suspension of precipitate is…
Q: Assume you have 0.5 m3 of soil with a porosity of 40% and an oven-dry weight of 700 kg. Calculate…
A: Porosity is that portion of the soil volume occupied by pore spaces . This property does not have to…
Q: Which part of the GC equipment does separation takes place?
A: GC (Gas chromatography) is an analytical technique used to separate the chemical compounds of a…
Q: Q5: Select the correct answer for the following multiple-choice questions: 1. Asphalt penetration…
A: The penetration test was first invented by Barber asphalt paving Company in 1888. The principle of…
Q: Location 2 To determine the organic material in a dried lake bed, the percent carbon by mass is…
A: As per our company guidelines we are supposed to answer first three sub-parts only. Kindly repost…
Q: What segment repiesents conensation? E- CA Temperature > Jafoc H Iot
A: Introduction : Condensation means when gas converted into liquid .
Q: Which is more accurate, a transfer pipet or a measuring pipet? What is theuncertainty in microliters…
A: A pipette is an apparatus which is utilized to measure out and deliver out a definite volume of…
Q: Given: Fresh Mass of soil (FM) = 100 grams; %Moisture Content (MC) = 8%; Bulk Volume (Vb) = 95 cm3.…
A:
Q: What is the S/N ratio (average / std deviation)
A: Standared deviation ic calculated by using following formula,SD=∑∣x-μ ∣2Nwhere,X=value in the data…
Q: The following data are given for a biogas digester suitable for the output of six cows. The volume…
A:
1
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 2 images
- An analysis of 0.7 kg dry soil sample (having a volume of 500 mL) showsthat sample contains 35 mg naphthalene (C10H8). Based on the results of this analysis.a) What is the density of the soil in g/cm3?b) What is the concentration of naphthalene in this sample in terms of mass percentage (%m/m) and ppmm?Density of solution:Trial 1: 1.2 g/mLTrial 2: 1.2 g/mLTrial 3: 1.2 g/mL Average density = 1.2 g/mL What is the relative average deviaion, %?01edu.co ring Ce... F4 $ 4 R F The molarity (M) of an aqueous solution containing 0.065 mol of sucrose in 85 mL of solution is F5 % 5 F6 T G A) 1.85 6 B) 0.765 ^ C) 7.65 D) 1307 F7 Y H F8 & Question 8 of 9 7 (1L=1000 mL) F9 * 8 DELL I F10 K 9 F11 O L F12 2 P : PrtScr [ + Insert = Delete Backspace Pgl
- Mass of vial + cap + isopentyl alcohol: 28.999g Mass of vial + cap: 24.825 Mass of isopentyl alcohol used (g): 4.174 g Moles of isopentyl alcohol used (mol) 0.0478 mol Volume of acetic acid used: 7.00mL Mass of acetic acid used (g) (d = 1.05 g/mL): 7.35 g Moles of acetic acid used (mol): 0.124 mol Select the limiting reagent A. Isopentyl B. Acetic acid Isopentyl acetate theoretical yield (g)? Mass of isopentyl acetate obtained: 7.202 g Isopentyl acetate percent yield (%)?Mass of vial + cap + isopentyl alcohol: 28.999g Mass of vial + cap: 24.825 Mass of isopentyl alcohol used (g) ? Moles of isopentyl alcohol used (mol) ? Volume of acetic acid used: 7.00mL Mass of acetic acid used (g) (d = 1.05 g/mL) ? Moles of acetic acid used (mol) ?You were tasked to prepare 590 ml of 3.00 M HNO3. If you were provided a stock solution of 70.5% (w/w) HNO3 (MW = 63.0 g) with a specific gravity of 1.42, what volume of this solution (in ml) will you be using?
- What is the solubility of KCI at 80C 150 140 KI 130 120 110 100 NANO3 90 80 70 60 NH4CI KCI NacCl 50 40 30 20 KCIÓ3 10 Ce2(SO4)3 0 10 20 30 40 50 60 70 80 90 100 Temperature (°C) DELL Grams of solute per 100 g H,0 NH37 EONXA dilute aqueous solution containing 1 ppm of solute has a density of 1.00 g/ mL. Express the concentration of solute in g/L, g/mL, and mg/ L. (Show work/calculations)Commercial perchloric acid (100.46 g/mol) 71% (w/w) with specific gravity of 1.67 was diluted by taking 30.00 mL portion of this acid and diluting with 70.00 mL of water. The final molar concentration after dilution is: Please fill in the space witha numerical value with two digits or two decimal places without units
- Commercial perchloric acid (100.46 g/mol) 71% (w/w) with specific gravity of 1.67 was diluted by taking 15.00 mL portion of this acid and diluting with 85.00 ml of water. The final molar concentration after dilution is. Please fill in the space with a numerlcal value with two digits or two decimal places without units AnswerBiological studies have found that aqueous solutions containing as little as 28 µg of allicin per milliliter inhibit bacterial growth. Express this amount as the number of moles of allicin per liter of solution. \(28~\text{ug/mL}=\) \(text{mol/L}\) 20 F3 II F8 F4 F5 F6 F7 F9 F10 F11 F12 & %24 4. 3 5 7 9 { } P E T Y U %3D * CO R %23following given information: overline MW:Ca=40g/mol, O=16g/mol) O A. 1.41 mol/L B. 0.0014 mol/L O C. 0.0014 M O D. 1.41 m 8. What is normality of a solution containing 90g of HCI in 2600ml of solution? (Use the given information: MW: H=1g/mol, Cl=35g/mol) O A. 0.00048 eq/mol O B. 0.48 eq/mol O C. 0.00096 eq/mol O D. 0.96 eq/mol