Exp 6 Discussion Questions - S2024

2. What measurements might you record regarding water samples to assist with the quantification process? How might these measurements have error introduced? 3. Create a table of your observations made during the experiment. For example: Sample 2 Sample 1 Initial After shaking Write a brief summary of any conclusion that were reached. 4. With your group, write a sentence statement of the objective of the experiment and the method that will be used.

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[References] Use the References to access important values if needed for this question. Taking logarithms and antilogarithms is necessary to solve many chemistry problems. For practice, complete the following table, where N is a number. log N 7.92 1.867 -1.402 Submit Answer Retry Entire Group 4 more group attempts remaining Previous Next Save and Exit

Review | CC Part B Complete column 2 of the table, excluding the isotope symbol and the cells that are already filled. Protons 38 Neutrons 58 Electrons Mass no. Express your answers as integers. Enter your answers in the order given in the table from top to bottom separated by commas. ? en, mass no = Submit Request Answer Part C

Question 35

A(n) ______________________ has a negative charge an a mass about 1,800 times smaller than a proton.   a. neutron   b. electron   c. molecule   d. nucleus   e. isotope

View History Bookmarks Develop Window Help A east.cengagenow.com [References) 1 pt EXERCISE Unit Conversion 1 pt Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left empty. Click on a unit to remove it from its position. 1 pt 1 cm³ Cu 9 g Cu 9.5 x 1021 atoms Cu 1 g Cu 1 pt 1 kg 1000 g 1 cm = 1 mL 1 pt 1 L 1000 cm3 1 pt 1 pt 520 L x 1 pt 1 pt 1 pt A piece of copper has a volume 520 L. What is the mass of the sample, in units of grams? In the boxes above, enter the correct setup that would be used to solve this problem. 1 pt 1 pt Check Next (2 of 3) 1 pt 1 pt Submit Answer Try Another Version 2 item attempts remaining 1 pt

Part D Complete column 4 of the table, excluding the isotope symbol and the cells that are already filled. 4 Protons Neutrons Electrons 36 Mass no. 81 Express your answers as integers. Enter your answers in the order given in the table from top to bottom separat ? P4, n4 = Submit Request Answer M... Sp.. ex... Co. В. 388 amazon AC.

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Please let me know which 2 answers are correct, an explanation including evidence

Heavy metals are analyzed in the water of river Emajõgi. Choose correct term to each description. Calcium in the water Water of the river (as it flows) Water of the river taken to the laboratory Water (as H₂0) Lead in the water Chromium in the water Choose... Choose... Sample Matrix Analysis object Analyte Choose... Choose... Choose... IN 211 TE ET

2 What methods are used to sep X G In Part Il of experiment 5, a 1:1: X + u/ultra/courses/_393452_1/cl/outline * Question Completion Status: QUESTION 3 After you complete the second step, you will be left with a clear colorless liquid. What should be done to the liquid to finish the separation? O Heat the mixture to evaporate the liquid O Add a base to neutralize the solution. O Nothing - you are done since you have a pure, clear, colorless substance O Add the residue back to the solution and dry. QUESTION 4 In Part II of experiment 5, a 1:1:1 mixture of sand, salt, and salicylic acid must be separated. Order the following steps necessary to separate this mixture into three pure, dry solids. Filter the liquid leaving a filtrate with just salt dissolved and a residue of sand. v Add hot water to the residue obtained in two steps prior to this one. Filter the liquid leaving a filtrate with just salicylic acid dissolved and a residue of salt and sand. v Heat the filtrate obtained in two…

In general,the color that we see is __to the color absorbed.  What words should be put in the blank?

Supply the missing information in the table. (Given in Blue). Answers in scientific notation should be in this sample format >>> 1.0 x 10-14

Question 3 ) Could please explain. I've been watching videos, but none have been adding a whole new product...