50 ml 4790 mL 16.9 mL 851 mL

Q: When measuring volumes of liquids, precision volumetric graduates with calibration for measuring…

A: Practical chemistry: As per our guideline we have to answer first question only.

Q: Cin (mM) Cout (mM) Na 50.0 440.0 K* 400.0 20.0 52.0 560.0

A: Given : Concentration of ions in and out of the system. We have to calculate the Ecell.

Q: scientific notation of 50.031

A: Scientific notation is a convenient way to express very large or very small numbers. A number which…

Q: 220 200 180 160 CNMR 11 10 9 140 7 120 6 100 80 Ppm Integral 2 5 ppm 4 60 3. 40 20 1 2 3 1 0

A: 13C NMR data: Carbon peaks are observed at, 10 ppm, 25 ppm, 70 ppm. 1H NMR data:  Proton peaks are…

Q: (d) (4.556 g + 0.020 g)/(11.42 mL - 7.17 mL) = i Units

A:

Q: a. 1/1033 b. 1/105 c. 1/10-7

A: According to standard scientific notation,such small numbers are expressed inthe exponent form as…

Q: a PPM a 20 PPM 35 30 25 15 10 PPM b

A: For compound 1, there is only 1 type of hydrogen that appears as a singlet. Therefore, the best…

Q: volume ot

A:

Q: Calculate the percent error of the density of ethanol is measured to be 0.73 g/mL (true value is…

A: The formula for percent error (PE) is - PE = (| MV - TV |)/ | TV | Where, MV = measured value…

Q: Units (c) (20.0 g - 8.5 g)/(0.028 mL - 0.002 mL) Hint

A:

Q: 10 di 49A. 9.44 m² m² to 10,000cm2 914 mZ. 10, 000 94,40 49 B.

A:

Q: Holg) + E»lg) 2 HFG)

A: Kp is the equilibrium constant in terms of partial pressure while Kc is equilibrium constant in…

Q: Which of the following pieces of glassware CANNOT be used to measure volumes of liquids accurately?…

A: Interpretation- To determine that which of the given glassware cannot be used to measure volume of…

Q: CCI Hi3 2.0 1.0 4.0 6.0 25 LHt 4H q 35 20 2.5 20 10 6 ppm 6 Ō (ppm) 10 8

A: The peaks are assigned with color code and their structures are determined below.

Q: Convert 2.554 mg/mLmg/mL into pg/mLpg/mL.

A: Density is defined as the mass per unit volume. It is represented by. The relation for density is…

Q: ultiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Given :

Q: 1 cmol Ca2+ = 1 cmol Na+   true or false

A: Given ,  1 cmol Ca2+ = 1 cmol Na+  Whether this equality is true or false

Q: CDCI3 240 QE-300 180 220 200 160 140 120 100 80 60 20 12 11 10 3 2

A: Note: m/z = 43 indicates isopropyl group. From IR 2800 cm-1, 2700 cm-1 aldehyde C-H stretch.…

Q: 2.5 cm3 to mL

A: Given volume: 2.5 cm3 We have to convert this volume to mL.

Q: 0.1 ml 1 ml 1 ml 0.1 ml 1 ml UUUUU A. B. Original C. 1 D. 9.9 ml 99 ml 9 ml 9.9 ml 9 ml A B D 10 1…

A: Dilution factor is calculated by V2 ÷ V1 During dilution the number of moles remain same, but volume…

Q: .5 mL/min. A) 2.1 min B) 1.1 min C) 1.2 min D) 2.2 min

A: Coreect option is B  1.1mint

Q: 149.175 g 25.5 mL

A: Significant figures – calculation rules are as follows, Significant figure is a non-zero number…

Q: 5000 -4500 -4000 3500 3000 F2500 2000 F1500 -1000 500 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0…

A: The signal splitting pattern in 1H NMR can be identified using n+1 rule. Where n = number of…

Q: (45.3 mL)(400°K)/273°K =

A:

Q: Complete the table below. 20 dg =   g   cL = 2 L   Mm = 3000000 m 6000 ms =   s

A: Given that : We have to complete the table given below : 20 dg=  g cL=2 L Mm=3000000 m6000 ms=s…

Q: Burette reading (mL) =

A: Burette is an instrument used in titration having a stopcock to control to delivery of liquid. The…

Q: Table 1. Mass of measured liquids. Weight (Mass) Accuracy Precision Standard Deviation Average…

A: Here, we have to calculate average value, standard deviation, accuracy and precision.

Q: al Reading NaOH = rial Reading al reading HCI ial Reading HCI 39.47 ml 0.02 mL 0.32 mL 0.01 ml ImL…

A:

Q: "unknown A ran 12" 2 1 C: \Bruker\TopSpind.0.9 unknown A run 12 10 [ppm] OL 12 3.0122 6960'Z 6996'I…

A:

Q: Identify the compound with molecular formula C8H10O that gives the IR and 1H NMR spectra shown here.

A: Given compound has molecular formula C8H10O. Its IR and proton NMR spectra are given. What is the…

Q: 3800 3000 3400 3200 3000 2800 2000 2400 2200 2000 1800 1000 1400 1200 1000 400 1416- -06EL 1323-…

A: Infrared spectroscopy (IR spectroscopy) is a spectroscopic method widely used for the identification…

Q: Water Volume Water Volume Object Volume Without Object (mL) With Object (mL) Object (mL) Nut 20 23

A: Volume of object can be calculated as  = Water volume with object - water volume without object

Q: ake .50L of .300M

A: If have already prepared stock solution of any substance, then we can calculate or determine it's…

Q: Question attached

A: The given example includes unit conversions. Unit conversion is a multi-step process that involves…

Q: e) 12.01 mL +35.0 mL+6 mL f) 0.021 cm * 3.2 cm * 100.1 cm g) 505 kg - 450.25 kg

A: Significant figures rule for addition and subtraction final answer must contain significant number…

Q: Volume Initial (mL) | Calculate Volume change (mL) Trial Mass (g) Volume Final (mL) 1 53.458 16.3…

A:

Q: 3. MF = CH10O CDCI3 QE-300 240 220 200 180 160 140 120 100 80 60 40 20 solvent 3 2 2 2. 12 11 10 8

A:

Q: NH2 H2N. II IV 200 180 160 140 120 100 80 60 40 20

A: The instrumental method which is used to determine the structure of chemical compound using…

Q: 220 210 190 11 170 160 150 140 130 120 110 10 385 991 BA BA 0 ppm

A: Tis is the 13C-NMR Spectra of compound 11

Q: What is the reading from this graduated cylinder? mL 25 20 15

A: Given,

Q: O 40.48 mL

A: Initial Volume (V1) = 30 mL Initial pressure (P1) = 20 psi Final Volume (V2) = ? Final pressure(P2)…

Q: 43.0 t 40.0 1 25.3 d 22.0 q b. 70 10 PPM m.

A: The question is based on the concept of Spectroscopy.   we have to analyse the spectra provided and…

Q: D[z] 20 (° mL/ dm g) a () 1 1. +10.5 5.2 kg/ L 35 cm 2. - 15.75 2.3 g/ mL 15 cm 3. + 5.25 +134.45…

A:

Q: 180 160 140 120 100 Volume 80 (ml) 60 + 40 + 20 + 0 50 100 200 300 400 500 600

A: Ans) At zero kelvin (minus 273 degrees Celsius) the particles stop moving and all disorder…

Q: O A. 45 mL O B. 37.5 mL O C. 30 mL O D. 15 mL O E. 22.5 mL

A: As , 45 ml of NaOH gives the third equivalence point where all three protons were neautralised by…

Q: ( 5.31 × 10 8 ) + ( 6.53 × 10 7 )

A: The order of calculations is a rule that is the correct sequence of steps for evaluating a math…

Q: Convert 50 m^3 into mL

A: One liter is equal to 1000 ml

Q: #2 200 180 160 140 120 100 80 60 40 20 ppm

A: The 13C NMR is directly about the carbon skeleton not just the proton attached to it. a. The number…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.