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- professor Scimemi has accepted you as a Master’s student and you are involved in a project that studies the cellular basis of neuropsychiatric diseases. For your electrophysiology recordings you have to make a recording solution containing (in mM): 119 NaCl, 2.5 KCl, 2.5 CaCl2, 1 MgCl2, 26.2 NaHCO3, 1 NaH2PO4, 22 glucose. You need 800 ml of it. How much KCl do you need to weigh out? Hint: we only care about KCl here. (MW KCl is 74.55 g/molA is the snort electran canfiquretiCA Fe2+m-n- x herthHa Eavier Aotive Qung ox Sheerpwth Quir 7 PerentelX Sherpam Maement Sy agng eisevier.com//auirtansignmentid3455638courselda154811Atoken-eyJhbociOUIUUMU9.eydzdwiouprzht.mvdaGlua3NpdovitmvbscDAlinidXNci Question 20 of 30 A calibrated burette will be used to deliver an intravenous medication dosage order of 200 mg contained in 5 mL. This volume is to be diluted in 40 mL and infused over 30 minutes. A 15-ml flush is to follow the infusion. At what rate in milliliters per hour will the infusion need to run to deliver the ordered dose? Record your answer as a whole number. mL/hr Candent Nat Sure m C Cha O ts Ch Cha On 3 6 7. 8. R. T. Y. U A K C M command comman P. CO 38
- 106CO2 + 50 SiO, + 16HNO, + H,PO, + 0.001FE + 122H,O → (CH,0),06(SiO,)so(NH3),e(H3PO,)Feo.001 + 13802 a. Calculate the change in (total) CO, in the ocean surface mixed (Temp = 25C, Salinity = 35 ppt) layer if 1 nM of iron is added (and consumed), assuming it is indeed the limiting nutrient. %3D b. Would this change in total CO, affect the alkalinity of the surface ocean? Why/why not? c. How much would the pH of the surface change following this primary production (assuming no respiration/gas exchange)? Use pCO2 = 420 ppm and total alkalinity = 2.2 mM to start your calculations. %3DA chemist obtained the following data for percent lindane in the triplicate analysis of an insecticide preparation: 7.23, 6.95, and 7.53%. Calculate the 90% confidence interval for the mean of the the three data, assuming that (a) the only information about the precision of the method is the precision for the three data. (b) on the basis of long experience with the method, it is believed that s---->σ lindane. (c) If s=0.28 is good estimate of σ, how many replicate measurement should be made in order for the mean for the analysis of sample to be within 0.2% of the true mean 90% of the time.OWLV2 | Online teaching and X 0mySigTau xb Login | bartleby X M COMM.1113: FUND OF ORA X G what food has c - Google Se X + om/ilrm/takeAssignment/takeCovalentActivity.do?locator=assignment-take D [References] hotogray lenses incorporate small amounts of silver chloride in the glass of the lens. When light hits the AgCl particles, the following reaction occurs: hv AgCl Ag + Cl The silver metal that is formed causes the lenses to darken. The enthalpy change for this reaction is 2.90 × 10² kJ/mol. Assuming all this energy must be supplied by light, what is the maximum vavelength of light that can cause this reaction? Wavelength %3D nm Submit Answer Try Another Version 3 item attempts remaining Previous Next
- Conte X ALEK X O Rich x Ceng Bb Excel Bb What X O COVI e Daily x O Amon x e Chat N Ne www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsikr7j8P3jH-lIJOkWvnm4w-aQ-rw-zRhgRnayfmbBs65spEVIGu-K5Jx48w9eOKISqsha Click to go forward, hold to see history Apps R Blackboard 2Mail - Ava Schied. O UAConnect Biology Syllabus J Labflow - Courses O Explore - HogSync O Packback + MyN Objective Knowledge Check Question 13 Calculate the mass of glucose (C,H,,0,) that contains a trillion (1.0 x 102) oxygen atoms. Be sure your answer has a unit symbol if necessary, and round it to 2 significant digits. I Don't Know Submit O 2020 McGraw-Hill Edu MacBook DroLooking to see if I have the concept right . Thank youDL IXL - Area and circur X E Hamilton w K Maya Paniagua - Sto x K Maya Paniagua - L10 X Stoichiometry Introd x amihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1Jb_fUymErbX45jcXDbRuMhdNQC9zAIBE"%5D%2C*action"%3. Paniagua - Cl. 115% e A Kami Uploads Maya Paniagua - Stoichiometry WS1.pdf Chemistry Stoichiometry WS #1 Show all work!! No work = no credit! Per Date Name Mole to Mole Stoichiometry 1) For the reaction between magnesium fluoride and lead (IV) nitrate, there are 12 mol of magnesium fluoride available: a. Write and balance the chemical equation, indicate the type of reaction b. Find the mole amount of each species in the chemical reaction c. How many moles of the solid precipitate are formed?
- K ANGELLA AYO WAFOYO- Lab 9- x Dashboard web.kamihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1IPqRXwPQP5TC09LeU4iKhXYHCO9RWEE3"%5D%2C"action"%3A"ope + 76% A CHEMISTRY I. ANGELLA AYO WAFOYO - Lab 9-1 Virtual Gas Lab.docx.pdf CP Chemistry Do the following practice problems to become familiar with using the ideal gas law. Make sure to use the correct R value based on the pressure you are given in the problem. (Label your units within the problem and show all of your work! Circle the final answer.) 21. Calculate the volume that a 0.323 mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm. 22. What is the pressure (in atm) of a 0.15 mol sample of argon gas at 30°C if its volume is 5.5L? (Put temperature in Kelvins by adding 273 to the °C !) 143 S 23 Determine the temperature (in K) of 2.49 moles of gas contained in a 1.00 L vessel at a pressure of KPa 24. A sample of dry gas is found to occupy 2.850 L at 22.0°C and 98.6 kPa. How many moles of gas are present? ANGELLA AYO WA.…Was the gradual color change observed when the sodium thiosulfate (Na2S2O3) crystal was added to the aqueous solution of KI/12 in Station Cevidence of a chemical or physical change?silver nitrate + potassium carbonate Balanced equ: ion Phase |Турes Total Eqn Net Eqn Observation