Write the following numbers in official scientific notation (1 digit left of d.p.): a. 345.123 b. 0.000256 c. 12.1212 * 10 ^ 12 d 0.01212x10^-12

Q: 4.0 48 46 44 42 a. C.

A: The 1H nmr positions for the protons for all the products are provided above

Q: What is the Density of Cl2 is represented by 18.8L at 2.68atm 23.9°C   Express your answer to  2…

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Q: 11. 22.4 kg/L to dag/mL 12. 0.74 miles/min to dm/sec 13. 1.42 g/em² to mg/mm?

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Q: What is 42.19 m converted to inches? (there are 2.5 cm/in)? Use correct sig figs. 1688 in 260 in 39…

A: It's given that there are 2.5 cm/in. Which is, 1 inches = 2.5 cm   Again, 1 cm = 0.01 m Therefore,…

Q: Number

A: A) use stoichiometry of the reaction to get mass of methanol.

Q: mass of ice = 50.0g  mass of water 200.0 g  T water = 50.00°C T ice =- 10 °C Final temp = 23.04…

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Q: Professor X is doing an experiment, based on the data controlled temperature turned to 56 °F. What…

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Q: How many square miles are in a farm that occupies (4.07x10^2) acres? 1 acre 43, 560 ft and 1 mile…

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Q: Write the answer with the correct number of significant digits:                 log(3.456 × 107)…

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Q: CHEM 51 Lab 016a Sig. Figs & Conversions 3. Perform the following operations, giving the answer to…

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Q: Mn³+ + e- → Mn²+ E = +0.32 v2+ + 2e → V E = -0.49 - (the answer should be entered with 3 DIGITS; and…

A: Ecell =Ecathode- Eanode Cathode is  Vanadium  anode is Manganese

Q: Consider the following sets of replicate measurements B. D 55.35 55.32 9.5 0.612 5.7 4.2 20.63 0.972…

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Q: 71. Use scientific (exponential) notation to express the following quantities in terms of the SI…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Can't figure it out

A: Reductive Ozonolysis - Ozonolysis allows the cleavage of alkene double bonds by reaction with ozone.…

Q: A 76.00 pound flask of mercury costs $129.50. The density of mercury is 13.534 g/cm Find the price…

A: Given  Quantity of mercury flask = 76.00 pound Cost of 76.00 pound of mercury = $ 129.50 Density of…

Q: What is the average speed of a cheetah that runs 88 m in 5 seconds? a) In m/s . b) . In miles/hour?…

A: Given, The average speed of a cheetah that runs 88 m in 5 seconds is: a) In m/s . b) In miles/hour.…

Q: A pipet delivers 7.52 gg  of water at 21 oCoC . What volume (in mL) does the pipet deliver? Use the…

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Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

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Q: 11. 22.4 kg/L to dag/mL 12. 0.74 miles/min to dm/sec 13. 1.42 g/em² to mg/mm? 14. 10095 ft/s to…

A:

Q: A 76.00 Pound flask of mercury cost is $153.50. The density of mercury is 13.534 g/cm3. Find the…

A: The conversion factor for converting pound unit into grams is given as:1 Pound = 453.59 g The…

Q: I got an answer of 52163.08 how would I write that in scientific notation?

A: In scientific notation, the answer is written in the form of A X 10B  where A is the number with…

Q: 1(a) Convert the number 0.0000735 to scientific notation. (b) Round off the number 24.15725 to the…

A: Applying concept of scientific notation and significant figures.

Q: 1. A 25-mL buret delivers 25.97 g of water at 25 0C. If the density of water is 0.9960 g/cm3 at 25…

A: Ans- 26.07 mL

Q: a. Convert 360 s to ms.            e. Convert 2.45 × 1 0 2 ms to s.b. Convert 4800 g to kg.…

A: While converting from one unit to another, a conversion factor is multiplied.

Q: 1. Convert 37.8 kg into mg. (Express this in scientific notation and SHOW YOUR WORK)

A: Both kg and mg are two units of weight. These are used to expressed the weight of substance.  When a…

Q: The answer to  6.626*10^-34 Js (7.40*10^6 m/s)(9.11*10^-28 g)  is  9.83*10^-17 g right? That's the…

A: Here, we have to calculate the given values.

Q: Weight of coin 1 (g) 11.4286 Weight of coin 2 (g) 11.4633 Weight of coin 3 (g)…

A: Solution -

Q: 13. A stream flows at a rate of 10.4 liters per hour. Convert this rate to cubic meters per day.…

A: Given, 10.4 L/hr

Q: f you were offered $1,000,000 to count from 1 to 6 x 1023 at a rate of one number per second?

A: haha ha .... dont put these things here , this portal is to answer the queries of the students.

Q: Be sure to answer all parts. A 39.3−g sample of lead (Pb) pellets at 27°C is mixed with a 66.3−g…

A: Given:Mass of lead (Pb) pellets at 27°C = 39.3 gMass of lead (Pb) pellets = 66.3 g.

Q: A = 0,299 B= ? *-0.00495 (-440

A: A = k x t + B given that,A = 0.299 k = 0.00495 t = 440

Q: Perform each unit conversion.a. 28.9 nm to mm                     b. 1432 cm3 to L                c.…

A: Given conversions,       a. 28.9 nm to mm                            b. 1432 cm3 to L…

Q: + e Mn2+ E = +0.32 - - 2e → V E = -0.49 answer should be entered with 3 DIGITS; do not enter units;…

A: In electrochemical cell,  Standard cell potential is given by E°cell = E°c - E°a = -0.49 -(0.32) =…

Q: Perform each unit conversion.a. 1.4 in to mm                 b. 116 ft to cmc. 1845 kg to lb…

A: Since   1 inch = 25.4 mm             so,  1.4 in = 1.4 * 25.4                           =   35.56 mm…

Q: A student performed the same experiment as you. The following data was recorded in their lab…

A: We know that PV = nRT P= Pressure V = Volume n = No of moles T = Temperature

Q: 6. 1.23 x 104 is equal to A. 0.0000123 B. 0.000123 C. 1.230000 D. 123000 E. 1230000

A: 1.23 × 10-4 is equal to

Q: A student was performing a density experiment in chemistry lab. He used his 10.0 mL volumetric pipet…

A: To determine average density, we need to determine value of density in each trial which is given by…

Q: ow many gigagrams are there in 5.66×108 milligrams? Your answer should not be in scientific…

A:

Q: Perform each unit conversion.a. 154 cm to in           b. 3.14 kg to gc. 3.5 L to qt…

A: (a) Given, The length is 154 cm Formula used:  1 in = 2.54 cm Calculation: For conversion we will…

Q: 2.20 x102 + 2.7298 ×10-1 + 1.1×10-5 O a. 29.50 x10-2 Ob. 2.950 x10-1 O c. 295.0 x10-3 O d. 3.0 x10-1…

A: 295.0*10-3

Q: Pitt A 0120 x Goog x b Answe x in (27) A X Bio Micro Chem II A Asses X Pt Perioc X ali 1030 x E chem…

A:

Q: 12 O A.[01-1] O B. (01-1) o c. [21-2] O D. (21-2) O E. [0 -1-2]

A: Steps we have to follow-

Q: Need to verify the significant figures in these mass measurements and subsequent calculations using…

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Q: What temperature (in Kelvin) is a temperature of 51.67°C?

A: Unit of temperature can be in the kelvin , degree celcius or degree fahrenheit. Given that:…

Q: magnitude makes sense. FOR PRACTICE 1.11 Find the radius (r) of an aluminum cylinder that is 2.00 cm…

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Q: Al + Ni(NO3)2→ Al(NO3)3 + Ni 1 Al 1 1 Ni 1 2N2 606 1 Al 3 1 Ni 1 2N3 506 Ob. a. 1 Al 1 1 Ni 1 IN1…

A: We are having four set of atom inventory , we have to predict the correct set of atom inventory.

Q: Given

A:

Q: How do I solve this question correctly, with the right amount of sig figs?

A: Yes. It is possible.

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