Consider the following acid-catalyzed hydration reaction: Which of the following ions are intermediates in the accepted mechanism for this process? I, II, and III I and II None of the above. The process is concerted. COnly IV Dilute H₂SO4 + OH₂ || хон IV

Q: 8. Conversion problem a. 25.345 g/ml is converted to kg/cm³ b. 203.77 miles/sec is converted to…

A: Solution : These conversions can be done by unitary method.

Q: A calculator is found to have a mass of 118 grams. Using unit analysis, show what the mass of this…

A: Given, mass = 118 gm this measurement change into lb

Q: 5. In which separation method are mixtures spun in a circle? A) filtration B) centrifugation C)…

A: Separation methods are techniques used to isolate and purify different substances in a mixture.…

Q: 9. When measuring volumes of liquid, we use graduated glassware like flasks, graduated cylinders,…

A: Graduated glasswares have a calibrated scale marked on the outside wall.

Q: The density of a pure substance is its mass per unit volume. The density of hexane has been measured…

A: Step 1: Step 2: Step 3: Step 4:

Q: 105 kg = 4g = ug 0.002ml = .L=. 27 nM = - pM =.. pM 50 pg = 0.25 L = -µl = 20 ml - pl = . pl = ...…

A:

Q: wchich of the following terms descibes what a doctor formswhen treating patients prior to ordering…

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: 1. H H Н H 'H H Н

A:

Q: A rubber stopper weighing 8.544g displaces 7.0 mL of water in graduated cylinder.Refer to Example…

A: The amount of a substance present in a particular volume space is called the density of that…

Q: Part B.1: Measuring the volume of a sample of water. Measuring Device Measured Value Beaker…

A: The key aspect that should be dealt with while experimenting is precisely recording the readings.…

Q: What is science

A: Nature has provided humans with a lot of blissful ideas. Nature provides all the species with food,…

Q: Two samples of solids have similar reactivity with acids and similar densities. Their masses and…

A: Extensive properties are the ones whose value depend on the size of the system like mass , volume…

Q: Mass is the measure of what property of matter?

A: Properties of matter are mainly two types such as physical properties of matter and chemical…

Q: zinc and copper are used in the measurement of food. Are there other topics possible

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

Q: 836.2 MHz (common frequency used for cell phone communication) Express your answer in joules using…

A:

Q: express each of the following values in the given base unit. .......... s = 316 Ms

A: Use the conversion unit,1 sec = 1000 millisecondsAfter conversion, make sure to round it off to 4…

Q: You observe that sugar dissolves more quickly in hot teathan in iced tea. You state that higher…

A: An unexplained situation for whom a solution is suggested that is not acceptable by a scientific…

Q: In the UV assay of paracetamol you are required to weigh tablet powder “…containing 0.150 g of…

A: Answer : 1 tablet should contain  500 mg of paracetamol so  20 tablet contains  = 500*20 = 10000 mg…

Q: Round 0.054321 to 4 significant figures

A: If the last digit in the given number is greater than 5 , then we have to add 1 to second last digit…

Q: is this correct, especially questions 3 and 7 on the second page. THANKS :)

A: 3) According to the question the weight of empty flask and stopper is 34.232 g. The weight of flask,…

Q: Perform the following operation and express the answer in scientific notation. 2.60×10-5 × 2.10×10-5…

A:

Q: Carry out the following mathematical operations and answer the questions that follow. 33.916 x 95.7…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: 1 mile = 1.609 km             1 km = 1000 meters Convert 120 miles per hour to meters per second.…

A: Given -> 1 mile = 1.609 km  1 km = 1000 meters

Q: Compare and contrast the following: (a) error and uncertainty, and (b) random error and systematic…

A:

Q: An example of a pure substance is an element a) a compound b) c) H,O carbon dioxide d) all of these…

A: A chemical substance is a form of matter having constant chemical composition and characteristic…

Q: 103.351*102 to four significant figures

A: 103.351 × 102 = 10541.802

Q: What are branches of science and what are the purpose?

A: Science in simple terms is the systematic study of the physical and natural phenomena by closely…

Q: In an experiment a student used a 50 mL volumetric flask to prepare her copper solution but in…

A: step 1:  For making standard solutions, one must take care of the quantity that is to be taken…

Q: Calculate the density Mass 100g volume40 cm³ Mass 250g. Volume 56cm³ Mass 50 g. Volume 1cm³

A:

Q: 8 cm3 = __________ L Group of answer choices .0227 22.7 57800 .0578

A: 1 Litre = 1000cm3  X       =  8 cm3  = . 008 litre

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.