Q: Use the following information to determined AGran (kJ/mol). 2H₂S (g) + 302 (g)2SO2 (g) + 2H₂O(g)…
A:
Q: I. GRAVIMETRIC CALCULATIONS Complete the table below. Calculate the % (w/w) BASO4 and the…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…
Q: For the numbers 116.0, 97.9, 114.2, 106.8 and 108.3, use the Q-test, decide whether the number 97.9…
A:
Q: It is estimated that uranium is relatively common in earth's curst, occuring in amounts of 4g/metric…
A: Given that mass of uranium present in earth’s crust = 4g/ metric ton Sample of earth crust taken =…
Q: Calculate the data fill in the table in pic 1 and calculation question based on the general…
A: This experiment aims to calculate the moles of carbon dioxide produced by the given sample of…
Q: The cocoa bean has a [H3O¹] = 1.26x105 mol/L. What is the -POH? note: write the answer in 2…
A:
Q: A new temperature scale, know as the Ungoogable (U) scale is related to Fahrenheit (F) in this way:…
A: Here, Temperature in Fahrenheit, TF=179.50 degrees. To determine the Ungoogable temperature(TU).
Q: PbCO3(s)→PbO(s)+CO2(g)PbCO3(s)→PbO(s)+CO2(g) Express your answers as integers separated by commas
A: Note: Assuming that the question is to balance the given reaction.
Q: 5. Perform the following calculations using your calculator: a. (3.21 x 104) (6.59 x 103) = 6.24…
A: a. 3.21×104 ×(6.59×103) =211539×103 b. 6.24×103/1.95×104 = 0.32
Q: 3. Express the answer to each of the following calculations with the correct number of significan…
A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…
Q: 123 mL of 0.120 M NANO3 Express your answer to three significant figures. > View Available Hint(s)…
A: Given 123ml of 0.120 M NaNO3 find the weight of solute
Q: • Part D Hg (1) + HgCl, (aq) → Hg,Cl2 (s) Express your answer using ftwo significant figures. ΑΣφ ?…
A: The given reaction, Hg(l)+HgCl2(aq) → Hg2Cl2(s)
Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…
A: We need to calculate %C by mass for n=12 in the formula CnH2n+1COOH Atomic weights C = 12.01 g H =…
Q: Which of the following measurements corresponds to the buret shown in Figure PSS.3 having an…
A: The measurement which corresponds to the burette given in Figure PSS.3 having an uncertainty of…
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: (Use the lowest possible coefficients. Omit states of matter.) a. H2S + O2 S + H20 b. Clz + NH3 →…
A: According to the question, we need to balance the chemical reaction. Note: A balanced chemical…
Q: How many significant figures are in the answer to the following problem? (23.9-15.246)/0.841 3 O 2 O…
A: The number of significant figures in the product of the calculation is the minimum number of…
Q: Chemical Equation: Fe + H2O → Fez04 + H2 3. Compute for the AG of the equation: kJ/mol (Write your…
A:
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: What is the result of the following arithmetic operation? (1.369 + 0.56) / 20 = ? O 0.0964 O 0.096 O…
A:
Q: Consider the information below. What is the value for ASsys? Round and report your answer to the…
A: The standard thermodynamic data for the given reactants and products at given temperature is,…
Q: Part A [H,O']-1.8x10 M Express your answer to two decimal places. Enter your answers numerically…
A: pH = -log[H3O+] pH + pOH = 14
Q: what is 1.0x10^-5 equal?
A: This is simple mathematics. We can easily solve by using concept of 10 to the power (-ve) is written…
Q: How many grams of N a Cl would need to be added to 345.00 grams öf wäter to lower the freezing point…
A:
Q: Part A pH 9.0 Express your answer using one significant figure. (H3O*] = M Submit Request Answer…
A: The pH of a solution measures the hydrogen ion concentration on the negative logarithm scale. It can…
Q: Solve for ? and ? in the given expressions. Express these answers to the tenths place (i.e., one…
A: Given information, Log(x) = 0.75 In(y) = 0.75 The given expressions for the values of x and y are…
Q: Is the use of significant figures in each of the following statementsappropriate? (a) The 2005…
A: Hey since you have posted a question with multiple sub-parts, we will solve first three sub-parts…
Q: Part C 0.115 M pyridine (C,H;N). Express your answer using two decimal places. • O D) ? pH =
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: (b) Using your result from part (a), develop an appropriate model for mass of fecal marine snow…
A:
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: between degrees C to K is? D-321/1.8 of a metal is 13.6 x 10 Kg/m³. The density of the metal is g/cm…
A: Solution is made up of two components. Solute and solvent. Component which is present in major…
Q: Q1: What is the density (g/ml) of a 3.6M Sulfuric acid solution that is 29% H2S04 by mass (Mwt. =…
A:
Q: The beaker below BEST represents a(n) ______________. Assume the particles are surrounded by water…
A:
Q: [Refere It is sometimes necessary to take powers or roots to solve chemistry problems. Take powers…
A:
Q: 4. The results of the analysis of a metal alloy were reported in terms of percent Cu (%Cu). The…
A: Mean = Sum of all the terms / Total no of terms
Q: YouTube Maps MyCSU Columbus... - B Homepage - Georg... W Microsoft Of MATTER mass percent…
A: Solution is made up of solute and solvent. Solute is present in small amount and solvent is present…
Q: How many significant figures does 3.005 have?
A: Digits which are responsible for contributing the degree of accuracy of a value are called…
Q: 2. Isopropyl alcohol is commonly known as "rubbing" alcohol and is used in hand sanitizers. Ca the…
A:
Q: involving logarithm, the rule is to retain as many decimal places in the result as there are…
A:
Q: An example of a semiconductor is ZnS with a particle diameter of 1.8 nanometers. Convert this value…
A: Applying basics relationship between nm to dm and nm to inches.
Q: Reduce the following terms to right number of Significant Figures.…
A: Significant figures are the number of digits in a value, often a measurement, that contributes to…
Q: The last person that did problem got it wrong. They said that my answers were right but they are…
A:
Q: pH = = 2.84 Express your answer using two significant figures. Enter your answers numerically…
A:
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: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…
A:
Q: Consider the following operations on the number 8.97 × 10–2 Without using a calculator, decide which…
A: Significant numbers are the number of digits in a value, that gives the degree of accuracy of that…
Q: X and Y are quantities that are related to each other by inverse proportion, what will the value of…
A: Welcome to bartleby !
Q: In the UV assay of paracetamol you are required to weigh tablet powder "...containing 0.150 g of…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- I DONT NEED A DIFFERNT ANSWER IM 100% SURE THAT BOTH OF THESE ANSWERS ARE CORRECT, i just need the steps of the calculation for both answers (100 and 8)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 silverAP BIO (1) An analytical balance is used to measure the mass of 200µl of water in triplicate. The following measurements are recorded: 0.1983g, 0.1990g, 0.1884g. (A) Calculate the mean value for these three mass determinations. 0.1952 g (B) Use the mean value from (A) to determine the percent error.. 19.52% ???
- 9. 7 9. 10 11 12 13 14 1 A geologist measures the height of a mountain. The height is 3.6089 km. What is the height in meters? Write your answer as a decimal. |x10 Submit Assignme Continue O 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessib MacBook Air 00 4- 3. 2.Conyugated acid Conyugated bese Jamula ha Formula ha A NH 5.61010 CH,NH HCO 2.2 10-8 Complete the table below. B Sure cach OA Your cinowrentries has the Correct numbCr oA Signiticant digits. You may assime the tamparature is 25°C.Home Conte Meas Take G Three Pears Maste G 4.988 Ta X G Three G Three D Spani -> A dmacc.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id%= 402371 1&course_id%3 94346 18&ne pps Work for students... O New Tab M Gmail O YouTube A Maps G7 Translate CHM * Question Completion Status: QUESTION 2 Three separate lab groups determined the density of a metal to be 12.5 g/mL, 13.1 g/mL and 14.8 g/mL. Use these values to calculate the average density among the measurements. O A. 13.5 g/mL O B. 30.5 g/mL ОС. 13.1 g/mL O D. 10.1 g/mL QUESTION 3 Three senarate lah grouns determined the density of a metal to be 12.5 g/mL, 13.1 g/mL and 14.8 g/mL. If the accepted de
- Course Home m/course.html?courseld%3D16574313&0penVellumHMAC=Def41415d91 hapter 2 Assessment Adaptive Follow-Up oblem 2.47 Part J Give the number of significant figures for 3.8 m. Express your answer as an integer. significant figures. Submit Previous Answets RequestAnswerMon 4:35 PM nnections | Un X * Student Employment | Car X Illinois State University : H X Mind Tap - Cengage Learn X G If a sample of lithium con index.html?deploymentld%3D55750828934189288909969212&elSBN=9781305657571&nbld%3D2199898&snapshotld%3219989. * DTAP Q Search this Use the References to access important values if needed for this question. If a sample of lithium contains 2.50x10 atoms of lithium-7 and 2.00×10³ atoms of lithium-6, what is the percentage of lithium-6 atoms in the sample? Submit Answer 5 question attempts remaining Next Autosaved at 4:32 PM BackEvaluate the following expressions. Impose the rules for significant figures different ways for the same expression. Do you find any truncation errors? a) 99.0x(44.1-(-22.007)) b) 0.633/21.9+(3.40x0.09022)
- Chem00-01 Winter 2021 HI, Kinsley Sign Ou ry Course Home MacBook Pro @ # $ & * 2 3 4 5 6 7 8 W E R Y U { P [ S D 11 G H J K с V M > mmand command option .... リPart B O2 (8) + 2H20 (1) + 2Cu (s)+40H (aq) +2Cu²* (aq) Express your answer using two significant figures. K- 8.3 • 1016 Submit Previous Answere Request Answer X Incorrect; Try Again; 4 attempts remaining • Part C Bra (1) + 21 (aq)→2Br (aq) + I2 (s) Express your answer using two significant figures. K-1.73 • 10 51[8.47 (+0.06)]13 = absolute uncertainty: + percent relative uncertainty: + % log [6.56 (+0.05)] = absolute uncertainty: percent relative uncertainty + %