Analytical Lab 1 Paper

I’m stuck on 5,6 and 10 please help

QI/A- Fill in the blanks 1- 2- is the collection of all of the components in the sample containing an analyte. indicates the amount of cach substance in a sample. ......-... is the process of determining the proportionality between analyte concentration 3- ...... and a measurcd quantity. 4- is the ratio of its mass to the mass of an cqual volume of water at 4C. ....... 5- A compound produced by an internal acid /base reaction consisting of positive and negative charge is.... B-Write the appropriate equation for each of the following 1- The Henderson-I lasselbalch cquation for acid and its salt. 2- (HO'] for acidic salt. 3- The relationship between molarity and part per millian. 4- ion-product constant for water. 5- weight/volume percent (w/v), and its units. ......... O 100 1

I only need the slopes column if possible anything else is extra.

1. Evaluate the following expression to the nearest whole number: 6⁶ × 6⁻⁴ 2. Evaluate the following expression to the nearest whole number: log(10⁵) 3. Evaluate the following expression: 18 + (6 - 2)² × 3 4. Express the following sum as a decimal to four significant figures: 1/3 + 3/4 = 5. Solve for the positive value of x that satisfies the following equation: (x + 9)(x - 2) = 60 6. Solve for x to the proper number of significant figures: (0.500)^(x/4.50) = 0.100 7. Solve for x: 14x + 10 = 38 8. Which of the following is a pure substance that cannot be broken down into simpler substances by chemical means? A) Homogeneous mixture B) Chemical compound C) Chemical element D) heterogeneous mixture E) Solution   9. Which one of the following is NOT an example of a compound? A) concrete B) rust (iron oxide) C) carbon dioxide D) ammonia   10. Which one of the following is an example of an element? A) brass B) nickel C) bronze D) sterling silver

Celsius to Fahrenheit is F = 9/5C + 32. Round to the nearest tenth 67 degree F is equivalent to what C?

The answer for this two us wrong can u fix it please the answer is for 16 is 113 ml for 15 is 800km show me how u can get that

Times New. 10 -A A Aa | A m。M.一MH 一 24| T 明叫山国一=。一险<田。 AaBbCcDdE AaBbCcDdE AaBbCcD AaBbCcD. B IUv ab X X 2- A v Normal No Spacing Heading 1 Styles Pane Title Dictate Sensitivity Cr 1. The diameter of a neutral Helium atom is about 1 x 102 pm. Suppose we could line up Helium atoms side by side in contact with one another. Approximately, how many atoms would it take to make the distance from end to end 1 cm? 2. What is the mass number of an iron atom that has 28 neutrons? 3. Determine the number of protons and neutrons in the nucleus of : a) He z=2 A=3 b) He z=2 A=4 c) Mg z= 12 A= 24 d) Mg z=12 A=25 e) Ti z= 22 A=48 f) Br Z= 35 A = 79 Write the annronriate evmbol for each of the followwing: 252 words O Focus English (United States) Page 1 of 2 MacBook Air

A pipet delivers 10.9 mLmL , 10.1 mLmL , and  10.9 mLmL  in consecutive trials. Find the mean volume of the samples.  =  Answer = 10.6 mL Part B What is the average deviation from the mean for the above samples?

Also we have a mixture for gas is hydrogen helium neon and nitrogen sealed in a container of -50 Celsius degree so imaginary pick one molecule and follow it around for some time and record speed we determine that on average a small chill travels with speed of approximately 1.9x10^3 km/h . Which molecule or atom did we pick up MM,g/mol Hydrogen 2.02 Helium 4.00 Neon 20.18 Nitrogen 28.01

Complete the table by computing Volume HClused, Normality of HCl and Average normality of HCl.  The given are written in the photo attached. Kindly include the complete solution.

Tab Window Help Learning X ATM HOMEWORK Module 9 X Submit Answer mentid=5735112480241329813180832311&elSBN=9781305862883&id=1707786068&snapshotid=33225... Use the References to access important values if needed for this question. Mind Tap - Cengage Learning X G What volume (in mL) of a 0.125 X ☆ tv References Oxalic acid dihydrate is a solid, diprotic acid that can be used in the laboratory as a primary standard. Its formula is H₂C₂O4 2H₂O. on Using a Primary Standard: This is group attempt 1 of 10 A student dissolves 0.890 grams of H₂C₂04 2H₂O in water and titrates the resulting solution with a solution of sodium hydroxide of unknown concentration. If 35.9 mL of the sodium hydroxide solution are required to neutralize the acid, what is the molarity of the sodium hydroxide solution? Ni ☎ A Autosaved at 10:58 PM Q 9 M A M. *

Hello, I need help with sigfigs and scientific notation. I am a lil confused on problems like 3.456/1.3e3 and on problems like 0.1765/(10.32-9.5)I have no clue if what I am doing is correct and I feel like I am reallt just over thinking this. Any tips and tricks you could give in this area would be amazing and greatly appreatied. thanks

Please correct answer and don't used hand raiting

14. 1 picometer = A) 1 × 1010 centimeters B) 1 × 10-10 C) 1 x 108 D) 1 x 10-8 E) 1 × 10-12 15. The volume of a regular cylinder is V=r²h. Using the value 3.1416 for the constant, the volume (cm³) of a cylinder of radius 2.34 cm and height 19.91 cm expressed to the correct number of significant figures is A) 342.49471 B) 342.495 C) 342.49 D) 343 E) 342 16. An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is 4.69 g. If the volume of this sphere is less than cm3, then the sphere will sink in liquid mercury (density = 13.6 g/cm³). C) 1.08 A) 0.345 B) 2.90 D) 7.48 E) none of the above

Perform the following mathematical function.51.11 + (0.97/2.414 × 0.32150 × e.-3.25) + 1.52444 3.4 The written value of 1.0 μm meansa. 102 mb. 10-2 mc. 106 m d. 10-6 m e. 10-9 m 1.2 An example of a physical property isA) the reaction of rubidium with water to form rubidium hydroxideB) the density of boronC) the burning of sulfur to form sulfur dioxideD) the reaction of cesium with oxygen to form cesium superoxideE) the energy content of liquid sodium

CamScanner 09-05-2021 08.01.p x O File | C:/Users/taylo/OneDrive/Desktop/CamScanner%2009-05-2021%2008.01.pdf (D Page view A Read aloud V Draw E Highlight O Erase 3 of 9 Scanned with CamScanner PIA.2 Recent communication with the inhabitants of Neptune have revealed that they have a Celsius-type temperature scale, but based on the melting point (0°N) and boiling point (100 °N) of their most common substance, hydrogen. Further communications have revealed that the Neptunians know about perfect gas behaviour and they find that in the limit of zero pressure, the value of p V is 28 dm' atm at 0°N and 40 dm' atm at 100 °N. What is the value of the absolute zero of temperature on their temperature scale? Scanned with CamScanner O Ai 56°F Sunny ^ 9 G 1) 8:13 AM

Solving a proportion of the form a/(x+b) = c/x Solve for x. 4 8 %3D x-4 x-6 X = ?.

Question 5 2 pts A student performed the same experiment as you. The following data was recorded in their lab notebook. Mass of Final buret volume, Mg, g 0.035 mL 38.98 Pbarometric, in Hg PH2O, torr T, °C 28.46 17.5 20.0 Calculate the student's experimental value of R. Round your answer to four places after the decimal.

A quia.com/quiz/7898892.html?AP_rand%3D1784472953 UIA FAQ About Log in Subscribe now 30-day free trial Home 201208 Assessment for Scoutlier Significant Figures Calculations Go to 1 - Not answered v Go stion 1 of 20 1. When expressed as 7.5x10^4, only the significant figures of are to.be considered. (1 point) O 7.5 7.05 O 7.005 O None of the, above Submit answer Skip for now Save progress or end quiz

A buret delivers water at 25 C from the 0.05 mL mark down to 20.00 mL. The mass of the water is measured to be 20.000 g. What is the correction for this buret at 25 ml? -0.13 O 0.16 -0.16 O 0.13

yallupsd.schoology.com/assignment/4635195215/assessment 9 Schoology Student Handbook Speed = Distance-Time Distance: = Speed x Time Time: = Distance Speed %3D Question Solve Answ for A car travels 300 km in 6 hours. What is the average speed of the car? 1 al 5 m/h b. 5 km/h 50 km/h P. 50 m/h none of the above

hello! send help please. thanks.

brian wants to hit the beach and go diving. However if his body doesn't take up enough space he could sink and drown. He tries to measure himself with a "ruler" but the life guard sais that's not good enough.

-10 -11 12 13 14 15 16 17 -8 Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume of carbon dioxide woul be produced by this reaction if 2.20 L of methane were consumed? Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits. go

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The uncertainty of a pipet is ± 0.05 mL. The true value of a reading of 17.23 mL is in the range:   The choices are: A.  17.23 to 17.28 mL B.  17.18 to 17.23 mL C.  17.13 to 17.23 mL D.  17.23 to 17.33 mL E.  17.18 to 17.28 mL

I need help with run 2 the last three parts

ALEKS - Alec Nema - Knowledge x G converta^4 to cm^4- Google S x AFreezing Point Depression and Bc X iCPa7ZMmym9SLFOBedXazQM4lzqmR-1UH_pgXn9vQgZypE -→ C合 www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNs convert m^4 to cm^4- Google Search 出 Apps Sprouts Academy. 6 Online Tutoring C 400 Request Head google.com Question 20 Knowledge Check A NASA spacecraft measures the rate R of at which atmospheric pressure on Mars decreases with altitude. The result at a certain altitude is: 1 R=0.0914 kPa•km Convert Rto J.cm -4 J cm I Don't Know Submit O2020 McGraw-Hill Education, All Rights Reserved. Terms of Us Type here to search II