I have a 250mL container filled with a saturated porous media sample. When I collect it,...
I have a 250mL container filled with a saturated porous media sample. When I collect it, the total mass of the saturate porous media is 436 g. I then allow all the water to evaporate, and the final mass is 341 g. What is the porosity of this sample.
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I have a 250mL container filled with a saturated porous media
sample. When I collect it,...
A soil sample in its natural state has, when fully saturated, a water content of 32.5%....
A soil sample in its natural state has, when fully saturated, a water content of 32.5%. Determine the void ratio, dry and total unit weights. Calculate the total weight of water required to saturate a soil mass of volume 10 m. Assume G = 2.69.
You have water in a rigid, closed container. The water is initially a saturated mixture at...
You have water in a rigid, closed container. The water is initially a saturated mixture at 150 °C. The volume of the container is 0.1 m3. You heat the water until it reaches the critical point. What remains constant during this process? Sketch a Tv diagram, including the saturation dome, and draw the process on your sketch. Label the initial state as 1, and the final state as 2. What is the total mass of the water? What is the...
You have a 3.00-L container filled with N₂ (MM = 28.02 g/mol) at 298.15 K and...
You have a 3.00-L container filled with N₂ (MM = 28.02 g/mol) at 298.15 K and 1.75 atm pressure connected to a 2.00-L container filled with Ar (MM = 39.95 g/mol) at 298.15 K and 2.15 atm pressure. A stopcock connecting the containers is opened and the gases are allowed to equilibrate between the two containers. What is the density of the final gas mixture? Assume ideal behavior. (Use R = 0.08206 L.atm/mol.K) (HINT: What is the total mass, m,...
undisturbed soil sample has a total mass of 2290 g and volume of 1.15 x 10...
undisturbed soil sample has a total mass of 2290 g and volume of 1.15 x 10 cm'. Specifica ity of the soil mineral G. = 2.68. Recall pw = 1 g/cm'. (a) A natural water content test of the sample gave the following results mass of container: 17.31 g mass of container plus wet soil (before drying in oven) 43.52 g mass of container plus dry soil (after drying in oven) 39.86 g What is the natural water content of...
Question We have a container enclosing a mixture of Ny() and O/C). The total pressure is...
Question We have a container enclosing a mixture of Ny() and O/C). The total pressure is 3.60 mm. The temperature is 25.00 C and the volume of the container is 174 L. If the mass of N, in the container is 379 3. what is the partial pressure of O, Cinam) within the container? The density of a sample of NH3(g) at a pressure of 1.00 atm is 0.363 8L. What is the 100-mean-square spoed (in muk) of the molecules...
general chemistry I lab manual c) A metal sample has a mass of 7.56 g. The...
general chemistry I lab manual
c) A metal sample has a mass of 7.56 g. The sample is placed into a graduated cylinder previously filled with 20.00 mL of water (enough to cover the sample). If the final volume in the cylinder is 21.68 mL, what is the density of the substance? Consult Table 1.4 on page 19 of the textbook to identify the metal. i) A small crystal has a mass of 7.03 mg The dimensions of the crystal...
-A sample of kerosene weighs 36.4 g. Its volume was measured to be 45.6 mL. What...
-A sample of kerosene weighs 36.4 g. Its volume was measured to be 45.6 mL. What is the density of kerosene? -Acetone, the solvent in some nail polish removers, has a density of 0.791 g/mL. What is the volume of 16.4 g of acetone? -A graduated cylinder was filled with water to the 19.1 mL mark and weighed on a balance. Its mass was 34.16 g. An object made of silver was placed in the cylinder and completely submerged in...
SAT scores have μ=1500 and σ=300. I plan to collect a sample with 900 students. The...
SAT scores have μ=1500 and σ=300. I plan to collect a sample with 900 students. The average of sample means from samples of n=900 is ____ The SD of sample means from samples of n=900 is What are the chances of getting sample mean less than 1500? P(x ̅<1500)=______ First, calculate the z-score. Then use Stata or the Online Stat Book. What are the chances of getting sample mean less than 1480? P(x ̅<1480)=______ What are the chances of getting...
i have some physics questions. please answer all. 1.Consider a V = 0.80-m3 open container made...
i have some physics questions. please answer all. 1.Consider a V = 0.80-m3 open container made out of thin metal sheets with a linear expansion coefficientα = 193 × 10-6-°C-1. The container is filled to the brim with a liquid whose volume expansion coefficient isβ = 33 × 10-6-°C-1. The container and liquid are initially at a temperature of Tini = 90-°C, but are allowed to cool down to Tfin = 7.3-°C. How much of the liquid spills over as...
plz help im struggling 6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolv...
plz help im struggling
6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolve 4.000 grams of the mixture into enough water to make 50.00 mL of solution. You find that when you titrate your unknown solution, you require 42.19 mL of 1.000 M HCl for complete neutralization. What percentage (by mass) of the unknown mixture is Na CO,? Titration reaction: Na.Co. (aq) + 2 HCl(aq) → 2 NaCl(aq) + C048)...
A soil sample in its natural state has, when fully saturated, a water content of 32.5%. Determine the void ratio, dry and total unit weights. Calculate the total weight of water required to saturate a soil mass of volume 10 m. Assume G = 2.69.
You have water in a rigid, closed container. The water is initially a saturated mixture at 150 °C. The volume of the container is 0.1 m3. You heat the water until it reaches the critical point. What remains constant during this process? Sketch a Tv diagram, including the saturation dome, and draw the process on your sketch. Label the initial state as 1, and the final state as 2. What is the total mass of the water? What is the...
undisturbed soil sample has a total mass of 2290 g and volume of 1.15 x 10 cm'. Specifica ity of the soil mineral G. = 2.68. Recall pw = 1 g/cm'. (a) A natural water content test of the sample gave the following results mass of container: 17.31 g mass of container plus wet soil (before drying in oven) 43.52 g mass of container plus dry soil (after drying in oven) 39.86 g What is the natural water content of...
Question We have a container enclosing a mixture of Ny() and O/C). The total pressure is 3.60 mm. The temperature is 25.00 C and the volume of the container is 174 L. If the mass of N, in the container is 379 3. what is the partial pressure of O, Cinam) within the container? The density of a sample of NH3(g) at a pressure of 1.00 atm is 0.363 8L. What is the 100-mean-square spoed (in muk) of the molecules...
general chemistry I lab manual
c) A metal sample has a mass of 7.56 g. The sample is placed into a graduated cylinder previously filled with 20.00 mL of water (enough to cover the sample). If the final volume in the cylinder is 21.68 mL, what is the density of the substance? Consult Table 1.4 on page 19 of the textbook to identify the metal. i) A small crystal has a mass of 7.03 mg The dimensions of the crystal...
plz help im struggling
6. (15 pts) You have a sample that is a mixture of Na.Co, solid with NaCl solid. You dissolve 4.000 grams of the mixture into enough water to make 50.00 mL of solution. You find that when you titrate your unknown solution, you require 42.19 mL of 1.000 M HCl for complete neutralization. What percentage (by mass) of the unknown mixture is Na CO,? Titration reaction: Na.Co. (aq) + 2 HCl(aq) → 2 NaCl(aq) + C048)...
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