Analytical Lab 1 Paper

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

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

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

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

How do I include units into my slope intercept Units - g mL 1. Y=1.2534x+0.0250 Answer- Y=1.2534x ( mL ) + 0.0250 (g) 2. Y = 0.997x + 0.0585 Answers y=0.997x(mL) + 0.0585 (g)

Fill in all empty spaces. (Round the answers to one decimal place)

-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

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

A solution is prepared by diluting 2.81 mL of the blue dye stock solution to 25.00 mL. The measured absorbance for the prepared solution is listed in the data table. Measurement Result Blue dye stock solution 0.293 M Absorbance at 630 nm 0.00265 Calibration curve y=0.0833x Part: 0/3 Part 1 of 3 What is the theoretical molar concentration? Round your answer to 3 significant digits. [Blue]theoretical-M x10 X S Part: 1/3 Part 2 of 3 What is the experimental molar concentration? Round your answer to 3 significant digits. [Blue ] experimental M 9 Subm Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Cent

I need help with run 2 the last three parts

Please don't provide handwrittin solution....

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 32 hours and the median is 28.2 hours. Twenty-four of the families in the sample turned on the television for 17 hours or less for the week. The 7th percentile of the data is 17 hours. Step 2 of 5: Approximately how many families are in the sample? Round your answer to the nearest integer. Answer How to enter your answer Tables E Keypad Keyboard Shortcuts Submit Answer © 2021 Hawkes Learning JAN étv 30 ....

H Announcements - 2021 Sprin X O Microsoft Word - 3- Homewo x 1o Chem101 A GBPJPY 153.074 v -0.04% U x M Inbox (581) - andainecampbe x A app.101edu.co Question 1 of 21 Submit Since helium is lighter than air, it is difficult to measure the mass of a sample, so to find out the mass of helium in a birthday balloon, a student transferred the helium to a fixed 1.50 L vessel at 25.0 °C and found the pressure to be 3.04 atm. What mass of helium is in the balloon in grams? 1 3 4 6. 9. +/- 0. x 100 Show all study questions.docx Andaine's.docx 1:15 PM outline 2 chapter 5.docx 3- Homework and.pdf 4/5/2021 P Type here to search DELL 2.

(9.75 x 103)(8.4 x 10-6)

Using the following mass standard data, calculate the Rx value. mass of mass of area of area of isopentyl acetate (g) isopentyl alcohol (g) isopentyl acetate peak isopentyl alcohol peak 80.0 1.10 1.28 189 Please report your answer to 3 decimal places. (No units required)

GRAVITY AND ACCELERATION (II) Name ihe distance covered by a freely falling body is calculated by the following formula, d = at? 12 Example 1: How far will an object fall in 5 seconds? Answer: d = 9.8 m/s) (5s)2 = 122.5 meters where d =distance a = acceleration t= time Example 2: What is the average velocity of a ball that attains a velocity of 39.2 m/s after 4 seconds? (2 Answer: Va = V,- V, = 39.2 - 0 = 19.6 m/s Solve the following problems. 11 How far will a rubber ball fall in 10 seconds? Answer: 2 How far will a rubber ball fall in 20 seconds? Answer: 3. How long will it take an object dropped from a window to fall a distance of 78.4 meters? Answer: 4 Calculate the final velocity of the ball in Problem 1. Answer: 5. What is the average velocity of the ball in Problem 1? Answer: 6. An airplane is traveling at an altitude of 31,360 meters. A box of supplies is dropped from its cargo hold. How long will it take to reach the ground? Answer: 7. At what yelocity will the box in Problem…

Perform the calculation below (Equation 1) to the correct number of significant figures? (Show your work.) (??.????−?.???) divided by ?.? =? Equation 1

[H3O+] = 1 x 10-4M Express your answer using one decimal place.

I am getting hung up on the X 10^-2. Am I supose to do 10x10 there?

9 please

3x < 3 or 4x + 6 < -3 and write the solution in 4 Solve interval notation.

What would the percent error be if using the value of 0.145 psi/°C for the "actual" value of the slope?

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

Can I please get help with this graph? If you can show exactly where it needs to pass through.