1. Explain what the functions of the clay triangle and wire gauze are for an apparatus? (In 2 sentences)

Q: when you pour one cup of tap water into a transparent bottle, and add one small drop of food…

A: Given: You pour one cup of tap water into a transparent bottle and add one small drop of food…

Q: The following is true about distillation process except: Select one: O a. It can purify water almost…

A: The correct answer is (d) i.e all the above are true  Explanation:-  a) distillation cause…

Q: I need help calculating these values make sure they are 3 sig fig!!!

A: Given total volume = 15 mL Volume of 0.0003M SCN- in sample 1 = 1.5 mL Volume of 0.0003M SCN- in…

Q: How do the results relate to litmus paper and the observations to universal paper?

A: Chemical substances are classified into acidic, basic or neutral.  Acidic substances are able to…

Q: If a 250 mL glass of water contained 5.00 ppb, what mass of lead is in the glass of water? Assume…

A: The ppb is the form of concentration which can be represented as; ppb=Mass of solute (in g)Mass of…

Q: 4. Materials: Steel, Brass, Copper, Aluminum, Acrylic, Oak, Nylon, Pine, Poplar, PVC, Triple Beam…

A: Mass is 138 g  Volume is 15.6 cc (as same volume of water will be displaced) So, density = M/V =…

Q: From the tabular data given in the write-up which glove would be an ideal choice? Why?

A: A material that can be used in daily life should be easily affordable and multi functional with wide…

Q: 1) What law is applicable to distillation? 2) When are the following types of distillation used: a)…

A: Distillation is a separating technique of liquids based on the boiling point differences.

Q: A 31.5 g wafer of pure gold initially at 69.8°C is submerged into 63.4 g of water at 27.8 °C in an…

A: q = c*m*∆T q = heat  c = specific heat capacity m is the mass of substance ∆T is the change in…

Q: I need an explanation of #5

A:

Q: 1. In a few lines, describe the IMMENENT IMPORTANCE of “Green Chemistry' and its importance to…

A: Green chemistry: It is the branch of chemistry which minimize the hazardous effect of chemical…

Q: (a) Calculatethe concentration of mercury: (i)in g/L (microgram per liter), and (ii) in mol/L.(b)If…

A: a) Part per billion (ppb) concentration defines the microgram of solute dissolved in 1 L solvent. 1…

Q: Which apparatus is shown here: Select one: O Pipette O Funnel O Burette O Beaker O Watch Glass

A: The shown apparatus is a very useful one during laboratory experiments.

Q: 4) Does it matter if the coin is heads or tails? Why or why not?

A: Surface tension is the inclination of liquid surfaces to contract into the smallest possible surface…

Q: The ratio of a substances density to the density of a given reference material is known as it's…

A: The given options are as follows --- Option (A): ABV The term 'ABV' stands tor alcohol by volume. It…

Q: 10:24 Worksheet-No.-1-Com...Laboratory-Apparatus-1 Done 'C

A: It is an alcohol burner. it is used to to produce flame or heat

Q: Cleaning PDB from the test tube after the experiment could be a long and arduous process. Describe…

A:

Q: 2. How would each of the following procedural errors affect the results to be expected in this…

A: Hello. Since the question contains multiple subparts, the first three subparts are solved. In case…

Q: t penetrates matter most easily is:

A: Radioactivity related with small particle emission which have large mass number and charge. The…

Q: Althea extracted 2g of pure dry salt frame 6g of rock salt. The mass of the salt obtained is less…

A:

Q: A 400 mL sample of water is filtered through a pre-weighed filter. After drying to constant weight…

A:

Q: 6. If the volume of water used in the experiment was 100 mL instead of 50 mL how would the results…

A: If we used 100 mL water in the experiment instead of 50 mL water, the results of the experiment…

Q: ASSERTION: The solubility of all gases in water decreases with the rise in temperature. REASON: The…

A: Answer_First: The dissolution of gas molecules in water take place by the thermal evolution. This,…

Q: A bubble of air escaping from a diver's mask rises from a depth of 155 ft to the surface where the…

A: Given the depth of water from the surface, h = 155 ft * 30.48 cm1 ft*1 m100 cm= 47.244 m The volume…

Q: Explain the difference between constant rate filtration and constant pressure difference filtration…

A: Answer - According to the question - Given - filtration - Filtration is a physical separation…

Q: Propose how the components of a mixture containing benzene, toluene, and water can be separated.…

A:

Q: Kindly give the name of the apparatus, description and their uses.

A: We have to find name and uses of apparatus.

Q: Sulfur dioxide and nitrogen dioxide are considered to be air pollutants. a) Where would you most…

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Q: 1. List three properties scientists should observe or measure for these substances. 2. Explain your…

A: This question is from general chemistry.

Q: Water purification is essentially not * a. filtration of solids b. removal of chemical c.…

A: In this question, we have to answer which option is not included in water purification.

Q: In our chemistry laboratory class, the formula for surface tension given is y=mg/2(pi) x r x f…

A: Surface Tension is the magnitude of force exerted by the surface perpendicular to the line (of…

Q: 8. A student made a series of measurements of Mg** concentration in drinking water giving the…

A: Introduction :  Drinking water contains magnesium high concentration of magnesium and sulfur is…

Q: Part 13 Your answer is partially correct. Natural gas is mostly methane, a substance that boils at a…

A:

Q: Which apparatus is shown here: Select one: O Burette O Pipette O Funnel O Dropper Beaker

A: Concept - For volume measurement, many instruments are used. Such as burette, pipette, funnel,…

Q: explain standard curves in detail?

A:

Q: Part 2 Pour the six liquids (from part 1) into the same graduated cylinder (to the left). The…

A: Concept based on the density of different liquids.

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: 1. Explain the following figure in detail.

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Q: D Other Bookmarks [References] Use the References to access important values if needed for this…

A:

Q: normality of the sample

A: CALCULATION OF NORMALITY

Q: Cite one research article that used an IR spectrophotometer in their study and discuss how they used…

A: A question based on IR spectroscopy that is to be accomplished.

Q: Is 10 ppm 400% less than 50 ppm?

A:

Q: Why is the following considered a matter: a.) bubbles b.) smoke

A: Since we know that matter has three states: Solid  Liquid  Gas a.)  And bubbles are gases enclosed…

Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A: Given : molar concentration of dilute solution of luminol = 4.00 × 10-2 M  Volume of solution = 2.00…

Q: If you are requested to compound 150 mL of the Concentrated Peppermint Water in the Laboratory from…

A: Here we are required to find the volume of peppermint oil required for the preparation of 150 ml of…

Q: For a 5.0% solution of CaCl2, calculate the:  mass of CaCl2 in 360. grams of solution. amount of…

A:

Q: What advantages do collaborative and interactive learning environments provide for students? What…

A: A question based on education that is to be accomplished.

Q: a) Kristina wanted to provide evidence that matter is made of particles, so she set up a glass tube…

A: The experiment setup given is as shown below.

Q: Why do meltiing, freezing and boiling point varies and depends on a kind of matter? Not less than 6…

A: Matter can be defined as substance that possess definite mass and volume. Matter can be solid,…