Case Study 3 Worksheet A Curious Mission S2022

1. Select a product from the stock shelf and transfer the liquid to a test tube. 2. Select a paper pH test strip. Record the color of the test strip in the data chart. Transfer it to the same test tube. 3. Note any color change of the paper and record in the data chart. 4. Drag the test tube containing the test strip over to the color chart to determine the pH range indicated by the paper. Record your results. 5. Record your conclusion about whether the substance is an acid, a base, or a neutral substance. 6. Repeat for all substances.

What should you do in case of fire?   A. Turn off any reaction that is running if possible   B. Pull the fire alarm if it hasn't been pulled   C. Run out of lab screaming hysterically and bouncing off the walls to let people know there is a problem   D. Leave the lab immediately and follow the TA's instructions   E. Answers A, B, and D are correct

Answer question 6 please

The chemical reaction can only take place when the reaction particles ____________ with each other. Show solution and choose from the choices below:       Mix together       Collide       Immerse       Separate

Iron(III) Chloride Tests Table view List view Iron(III) Chloride Tests Observations Salicylic acid Commercial aspirin Your product Choose... Dark purple Is a phenol present? Choose... Yes Choose... Choose... Light purple No Choose... Choose... before recrystallization Dark purple Yes Your product Choose... Choose... after recrystallization Faint purple No

Cypress oil should be used _______ and should be stored in a _______ place. Choose one answer. a. diluted, warm b. diluted, cool c. undiluted, dark d. undiluted, light

TRUE OR FALSE 4. A litmus paper test for the acidity or basicity of a solution is done by dipping a stirring rod into the solution and using this to wet the litmus paper. __________ 5. Water or glycerol should be applied to the glass tubing and the hole in the rubber stopper before inserting the glass tubing.

M Apple Google Disney ESPN Yahoo! Biomedical Careers Program Apple iCloud Yahoo Images Bing Google Wikipedia COWLv2 |... b D2L ☆ & G For the reaction r r Submit Answer prod03-cnow-owl.cengagenow.com Fe(s) + 2HCI(aq)→→→FeCl₂(s) + H₂(g) AH° = -7.4 kJ and AS° = 107.9 J/K D2L D2L D2L Facebook Twitter LinkedIn Use the References to access important values if needed for this question. The Weather Channel Yelp TripAdvisor b D2L M G C The maximum amount of work that could be done when 2.08 moles of Fe(s) react at 286 K, 1 atm is Assume that AH° and ASº are independent of temperature. Retry Entire Group 4 more group attempts remaining kj. +88 M

ment/takeCovalentActivity.do?locator=assignment-take [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 7.91 1.778 -0.054 Submit Answer Retry Entire Group 4 more group attempts remaining Previous Next Save and Exit

Name Lab Instructor Date Report Sheet Experiment 6 Determining the Formula of an Unknown Hydrate A. Identification of True Hydrates Water Color Color of True Color of solution before heating Compound hydrate after adding (Yes/No) droplets of the solution after residue after water to the heating (Yes /No) heating residue Nickle(II) chloride Sucrose Cobalt(II) chloride Potassium chloride

Select one for each box

Please help do the brown sugar and white sugar separately

A. Add HCI (aq) solution to both. B. Add Tollen's reagent to both. C. Add KOI reagent to both. D. Add Br2/CCI, to both. E. Add NaHCO, (aq) solution to both. F. Add Acetyl Chloride to both. G. Add HCRO4 /A to both. H. Beilstein Flame Test on both. I. Ferrous Hydroxide Test on both. J. Add cold concentrated H,SO, (aq) solution to both. K. Add FeCl3 (aq) solution to both L. Add water to both. M. Add cold KMNO4 (aq) solution to both. N. Cerium (IV) Test on both. O. Add Lucas reagent to both at room temperature. P. Add ROH to both. Q. Add 2,4-DNPH reagent to both. R. Add 15% Nal/Acetone to both. S. Add 2% AGNO,/ETOH.