be sure each number you put in the table has the correct number of significant digits. K. pK a relative strength 3.6 |(Choose one) 4.842 (Choose one) |(Choose one) ♥ 2.7 x 10

Q: Could you express your answer as a conversion factor please? This answer makes no sense as Chem101…

A: To Provide the final answer in the format of conversion factor.

Q: Dimensional Analysis Worksheet 1. 261 J kJ 2. 3.0 x 1022 molecules mol 3. 9,474 mm cm

A:

Q: H2S04 + KMn04 + KNO2 - H20+ K2SO4+ MnS04+ KNO3

A: The reaction taking place is given as, => H2SO4 + KMnO4 + KNO2 ---------> H2O + K2SO4 + MnSO4…

Q: Fill in the missing part of this equation. Note: your answer should be in the form of one or more…

A: 1 kPa = 103 Pa 103 Pa = 1 KPa 1 m = 100 cm 1 m3 = (100)3 cm3 1 m3 = 106 cm3 1 cm3 = 10-6 m3

Q: The Ksp value for magnesium carbonate, MgCO3, is 7.4 x 10-6. If 2.50 g of magnesium carbonate is…

A:

Q: ubtract 3.58 x 10^-2 from 1.41 x 10^11 and report answer in g.

A: so the answer will be 140.99*109 g which can be considered as 1.41*1011 g

Q: Which of the following correlation coefficients indicates the strongest relationship between…

A: The value of correlation coefficients ranges from -1 to +1 . the strongest relationship between the…

Q: For the numbers 116.0, 97.9, 114.2, 106.8 and 108.3, find the rangeb and 90% confidence interval for…

A:

Q: The density answers are so close that I need help trying g to figure which substance goes with what

A: Substance 8  d= m/v      = 8.5/15.6     = 0.55 g/ cm3 substance 9  d= m/v      = 8.0/15.6     = 0.51…

Q: Which substance should go at the bottom of the fraction ration and which should go on the top  ?…

A: Given The number of moles of H2 is 0.37 mol.

Q: h. 917.2 - 45.63 = Answer: i. 3.423 x 10-4 6.42 x 10-3 = Answer: 3.1 j. 6.300 x 10² + 15.43 Answer:…

A: Step I :-  Rule for significant figuressf in mathematical operations:- I Addition and subtraction…

Q: 8. One way to determine if a relationship is inverse or direct is to find a proportionality…

A: Let us first look at the mathematical background of the terms direct relation and inverse relation.…

Q: NSCI- Chemistry  Answer only 10-12

A: Units of measurement are necessary to measure the quantities. There are instances when the measuring…

Q: Memorize that 1mL=1cm3 Convert 2000mL to cm3 Use a conversion factor of 1cm3/1mL

A: If we are having,  1mL=1 cm3

Q: Part A [H3O+]=4.7 x 10-8 M Express your answer using two decimal places. pH = pH = [H3O+]=3.0 x 10-³…

A: pH : pH can be defined as the negative logarithm of H+ ion or H3O+ ion concentration pH = -log[H3O+]…

Q: [% G)] [volume aitutea) W. 100 molecular weightsotute Molarityconcentrated Volume concentrated %3D

A: Let us discuss dilution of a solution and relate the formula.

Q: (a) 0.123 M HONH2 (Ko = 1.1 x 108) (b) 0.123 M HONH3CI (c) pure H20 (d) a mixture containing 0.123 M…

A:

Q: 0.080 M in HNO3 and 0.185 M in HC7H;O2 Express your answer to two decimal places. ? pH = %3D

A: The PH of mixture can be calculated as follows

Q: Molecule 5is B x- X A-x x-A- (Ax 2 3 4 5

A: Polarity of the molecule will be defined when the molecule is asymmetrical due to the presence of…

Q: 5. Perform the following calculations and report each answer with the correct number of significant…

A:

Q: Calculate the Constant Weight (in grams) of the Empty Crucibles. Show your solution. Crucible No.…

A: In gravimetric calculations, constant weight the minimum attained weight after multiple drying up of…

Q: Convert and use sig figs 254.3g to kg

A: The number of significant figures in the given problem is four, therefore the final result must…

Q: 0.15 M NAC2H3 O2 Express your answer to two decimal places. ? pH =

A:

Q: 2. As the director of a research laboratory you are paid to decide if there is a significant…

A:

Q: Convert 9lpg luse 3 conversion factors).

A:

Q: (45.3 mL)(400°K)/273°K =

A:

Q: ... 30cm depth water A log 1.5m long have a diameter of 30cm and it floats in water. If the specific…

A:

Q: 2.4x10-3 mol Sb Express your answer using two significant figures. m = Submit Request Answer bo

A: Detail mathematical calculation is shown below

Q: 2. Express 8 ppm in ratio strength and percentage strength. Truncate to four decimal places. 2a.…

A: ppm :- ppm (m/v) is defined as Amount of solute in gram present in 1000000 mL of solution.  %…

Q: 0.26 kg x = 2.6 x 10° µg Answer Bank 1g 1 x 10 ug 1 g 1 x 10-3 kg 1 x 10 kg 1g 1 x 10° µg 1g

A:

Q: What is the volume in cm3 of a perfect cube if one edge length measures 1.95 m? Group of answer…

A: Given data: The conversion of edge length of cube from meter to centimeter is shown below.

Q: (1a-202-2-24) How many floms are in 2.00 ghurts? Use only the equality statements given below, and…

A: 1) Given quantity -2 ghurts    Conversion factor :  2 floms = 4 jants  5 pooks = 24 ghurts  7 vytes…

Q: For the data given in Part A, above, from the trendline of your Excel x-y plot, determine and enter…

A: Given data:

Q: Systematic error causes the mean of a data set to differ from the accepted value. True…

A: The objective of measurement can be qualitative or quantitative. Every measurement has an inherent…

Q: 3. Why is it important that all determinations be done at the same temperature?

A: 3) It is important that all determinations be done at the same temperature.

Q: . One teaspoon of sertraline 20 mg/mL must be mixed into eight fluid ounces of water before…

A: 1 teaspoon of sertraline is mixed with 8 fluid ounces ( 8 fl oz ) of water  We need to express the…

Q: 3.2x1022 H2O molecules Express your answer using two significant figures. ΑΣφ ? m2 = 9.6 %3D Submit…

A:

Q: A volume of 450 mL syrup (sg = 1.31) is mixed with 350 g of water.  How many mL of syrup should be…

A: Specific gravity Specific gravity of a substance is the ratio of density of the substance to the…

Q: Is the precision of your two trials within 5 %?. Support your answer with calculations

A: In order to analyze the precision of an experiment, we calculate the Percent relative standard…

Q: A 0.3256 gram sample sodiun oxalate ( GEW= 67) was used for the standardization of KMn04 and…

A: Given,  Mass of sodium oxalate in g = 0.3256 g  Gram equivalent weight of sodium oxalate = 67…

Q: (c) 1. THF H2C CEN 7. 2. H30* N(CH3)2 (d) 1. THF H2 N. 2. H30* e2016 Cmgage Laaming

A: Stork enamine alkylation: Stork enamine is an addition reaction of the unsaturated carbonyl…

Q: How many digits after the decimal point should be reported when the calculation (10.434 – 9.3344) is…

A: Introduction: For addition and subtraction, the product should have a similar number of decimal…

Q: A 76.00 pound flat of mercury $156.50. The density of margarie is 13.534g/cm3. Find the price of…

A: Given:The Cost of 76.00-pound flask of mercury  = $156.50The density of mercury is =  13.534 g/cm3We…

Q: 1. Answer the following questions based on the table: Pickling Vinegar Conc NaOH (M) 0.1005 Trial #1…

A: #1: We are given the data for four different trials for the titration of vinegar (CH3COOH) with…

Q: Perform the calculations and determine the absolute and percent relative uncertainty. Express each…

A: In this question we have to calculate the absolute and percent relative uncertainty of the following…

Q: You have the following data points which belong to a function of the form y = aeb, where b can be…

A: y-axis label = ? x-axis label = ? Value of b   = ?

Q: Compute 4.659 x 104-2.14 x 104. Round the answer appropriately. Express your answer as an integer…

A: From given  We are going to subtract the two values given and round off to their significant figures

Q: C. [H+] = 12 M * Your answer d. [H+] = 5.4 x 10^-5 M* Your answer

A:

Q: Consider the following operations on the number 2.23 x 102 Without using a calculator, decide which…

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: 1. Specific gravity is important for diagnosing various health conditions, such as dehydration. The…

A: