he gap between two brain cells is 2.0 × 10-3 nm. How many meters is this?

Q: time needed for a glycine molecule

A:

Q: 800 A в 600 400 200 20 40 60 80 100 Temperature (°C) Choose the best answer from the drop down menu.…

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

Q: The barometric pressure of a room at 26 degrees C is found to be 752.0 mm Hg. The vapor pressure of…

A: If the container contains more than one gas and each gas exerted the pressure. The pressure of…

Q: Name the technique(s) and briefly describe the procedureyou would use to separate each of the…

A: Since we only answer up to 3 sub-parts , we’ll answer the first 3.Please resubmit the question and…

Q: How Many Capillaries? The aorta has an inside diameter of approximately 2.1 cm, compared to that of…

A: Given : Diameter of aorta = 2.1 cm = 2.1 X 10-2 m…

Q: Water pollution is defined only as any physical or chemical change in water that: 1 a. Improves the…

A:

Q: . Write the names of 4 SI metric prefixes and give their numerical values

A: SI metric prefixes are, mili centi meter kilo

Q: Q3/Name some membranes used in nitrogen production.

A: Answer

Q: 220.9mL sample of carbon dioxide was heated to 337K. If the volume of the carbon dioxide sample at…

A: The experimental gas relating the relationship between temperature and volume is called Charles’s…

Q: The thickness of the distance between any two marking on a buret is equivalent to about O 0.02 mL O…

A: The question is based on the concept of experimental Chemistry. we have to predict the distance…

Q: How many grams of BaCl2 2H2O must be dissolved in 1.50 L of water to yield a 0.250 M BaCl2 solution?…

A:

Q: 0.10 g of the drug Phenytoin (Dilantin) is ordered to be given through a nasogastric tube. Phenytoin…

A:

Q: C. Give two examples for each of the following : 1. Opaque materials 2. Non-lustrous materials. 3.…

A: As per guidelines we are supposed to answer only one question. Question C is being answered.

Q: II. b) What is the difference between liquid-liquid, solid-liquid and solid-phase extraction?…

A: We need to differentiate between liquid-liquid, solid-liquid and solid-phase extraction.

Q: 2. What is the best explanation for the difference in shape between the two drops shown below?…

A:

Q: What is a suspension, and how does it differ from acolloid?

A: A heterogeneous mixture of a finely distributed solid in a liquid is known as a suspension. In a…

Q: 4.3 Discuss the following: (a) What factors affect the temperature and humidity required for…

A: (a) Answer - Individual comfort and performance levels of a person are influenced by a number of…

Q: a. relative humidity (RH), b. absolute humidity (kg water / kg air), c. dew point temperature (°C)

A: In any environmental condition, the device used to measure pressure is called a barometer. In food…

Q: Add KCL 20mEq/L D5NS 1 L bag @ 125ml/hr. How many bags are needed in 24 hours ?

A: Solution:    KCl D5NS show presence of potassium chloride in 5% dextrose and sodium chloride. 20 mEq…

Q: 1. What is the specific gravity of N2 at 80°F and 745 mm Hg compared to air at 80°F and 745 mm Hg?

A:

Q: Calculate the ppm of 40.5 mg calcium in 3.50 grams of pill. O 1.16 x10“ ppm 86.4 ppm O 8.64 x107 ppm…

A: Given : Mass of calcium i.e solute = 40.5 mg And mass of pill i.e solvent = 3.50 g

Q: 4 mL of a ground water sample from Gallup, NM was found to contain 50 micrograms of U4+ ion. Express…

A: Parts per million (ppm) :-  The number of parts by weight of solute present in million (106) parts…

Q: 4. Explain THREE factors that influence the rate of diffusion.

A: 1) Extent of the concentration gradient: The greater the difference in concentration, the more rapid…

Q: 17. A stat chemistry test is requested. Which of the following tubes is recommended to use? O A.…

A:

Q: A 463.4 mL sample of carbon dioxide was heated to 303 K. If the volume of the carbon dioxide sample…

A: Given  Initial Volume ( V1 )  = 463.4 mL  Final Volume ( V2 )   =  712.7  mL  Final Temperature ( T2…

Q: 3. Water has the properties of Adhesion and Cohesion. A. How many hydrogen bonds can a single water…

A: Answer c :  Alcohol molecules spills over the surface…

Q: 80 F3 What is the difference between passive transport and diffusion? Q F4 A) Passive transport does…

A: The above questions can be answered as follows

Q: Give a short description of the process shown in the figure below and identify what type of…

A: Sugar dissolves in water is a physical change because in this change no new substance is formed and…

Q: what room in a house is similar to the chloroplast in a cell?

A:

Q: 120- 90 60 30- Time (minutes) What is the melting point of this substance? Which letter represents…

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Q: 0.10 g of the drug Phenytoin (Dilantin) is ordered to be given through a nasogastric tube. Phenytoin…

A: Given that the drug Phenytoin is available as 30 mg/5.0 m L.

Q: You are in the kitchen. You have a party later today and want to make some strawberry gelatin. Your…

A: This question is based on separation of gelatin (purified collagen) and glycerol. We already have…

Q: 2. How does the surface tension of water change if following substances will be added: a) propyl…

A: The solution is as follows:

Q: models are functional tools that scientists use to explain complex behaviors. What is a benefit of…

A: The spacefill model is used in chemistry to represent the 3-D structure of molecules using spheres…

Q: If we were to measure diffusion rate over time, do you think it would change or stay consistent? If…

A: Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) from a…

Q: Grams of plant tissue analyzed and found to contain 92.6 micrograms of zinc. The concentration of…

A: Here we have to find grams of plant tissue (sample) for different PPM given in the question for…

Q: 12. Distinguish between filtration and centrifugation.

A: The main difference between strategies is the type of power used and the method of separation used.…

Q: Calculate the normality of sulfuric acid has a density of 1.84 g/cm3 and is 95.0% (w/w) H2SO4. Mwt…

A:

Q: How many mL of ethanol is present in 1000mL apple wine with 10.5% by volume ethanol?

A: Given  Percentage v/v ( %v/v) = 10.5 % Volume of apple wine = 1000 mL Volume of ethanol present = ?…

Q: liquids exhibit all these properties except? A. definite shape B. definite volume C. very limited…

A: solid liquid and gas are the three important states of matter

Q: Total hardness of water is due to O ca & Mg O Ca & Fe Calcium only O Magnesium only

A: Total hardness of water due to--

Q: A sample of air is determined to have an NO2 concentration of 75.7 µg/m³. What is this concentration…

A:

Q: Attached question

A: A meniscus occurs due to the surface tension in liquid which must be read at the eye level. Take the…

Q: The role of single molecule in nano particle junctions

A: Answer. Stimuli-responsive molecular junctions are a type of nanoelectronic device in which the…

Q: 3. Water has the properties of Adhesion and Cohesion. A. How many hydrogen bonds can a single water…

A:

Q: When separating an egg, a yolk from the egg whites using the plastic bottle method, who’s gas law is…

A: In order to squeeze an egg yolk from the egg white, a plastic bottle is compressed and placed upon…

Q: What is a suspension? Give three examples

A: Suspension are those heterogeneous mixtures which has big particles which does not dissolve and…

Q: To make 5.00 L of a fruit punch that contains 10.0% v/v ethanol, how much 95.0% v/v ethanol must be…

A: The percentage volume by volume is used to measure the concentration of a solute in a solution which…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.