The formula for this decay is Mt = M0 e-kt
Leaf weight after 80 days
Mt = M0 e-kt
Mt= 100 (e-0.005x80)
Mt = 100(e-0.4)
Mt= 100 x 0.67
Mt= 67
Percentage of remaining leaf litter = 67/100 x 100
=67%
A leaf litter bag experiment ran for 50 days and the experimentally determined k- value was...
4. Suppose that a student performed the experiment and calculations perfectly as directed except that, unknown to the student, the balance was not zeroed but weighed 0.100 g too high throughout the experiment. Would the calculated val- ue for the density of the unknown liquid be correct? That is, would it be equal to, higher than, or lower than the true value. Explain your answer in clear and correct English. 16 LABORATORY EXPERIMENTS IN GENERAL CHEMISTRY ed in question 4...
1.) Describe the goals of a Gel Filtration Chromotography
Experiment???
2.) Explain each key theoretical principle of a Gel Filtration
Chromotography, and how they help acheive the goal???.
4.) Explain the key equations used in the Gel Filtration
Chromotography experiment and the terms involved in the
equation????
HI im trying to prepare for a lab/report and i have some
questions i could use help with please :) over all having trouble
seeing how everything ties together etc :) thank you...
I need help to write a nice introduction for experiment 6
please ( no hands write ) typing
Thank you
HEAT TREATMENT OF STEELS EXPERIMENT 6 EXPERIMENT 6 HEAT TREATMENT OF STEELS THEORY The Effect of Cooling Rate One of the most convenient methods for controlling the properties of a given steel, i.e., a steel whose composition is already fixed, consists of austenizing the steel and ten cooling to room temperature at some predetermined rate. A variation of cooling rates...
I want to get answers and short explan. 1. 50 year old female states she has “the worst headache of her life”. The onset was 20 minutes ago and it was abrupt. Vitals BP 180/90 P56 and R 20. You should suspect? Uncontrolled hypertension migraine headache TIA subarachnoid hemorrhage When lifting a stretcher into the ambulance using power grip, you should? position hands 10’ apart support weight on heels of palms 82 yo F mumbling and throwing clothes, nurse says...
ReviewI Constants Periodic Table The air that surrounds us is mostly empty space, and it can be almost a factor of one thousand less dense than water. Within that mostly empty space, gas molecules are moving around at high speed and colliding with each other, and if you are in an enclosed space, they are also colliding with the walls. We can more easily observe the behavior of a gas by confining it to a container with a known volume,...
please read the scenario and answer each of the questions the questions below in a typed form PMH: Ms. Lupin has a history of early onset dementia, atrial fibrillation, COPD, insulin-dependent DM, an MI, a pacemaker, and an ORIF of a left hip fracture in 2011. Social History: Ms. Lupin lives alone in a 2-story home. She has 2 cats. Her primary source of support is her neighbor. HPI: Ms. Lupin was admitted to the hospital with dehydration secondary to...
please read the scenario and answer each of the questions the questions below in a typed form I just need idea or information how to answer the questions then I will document it online. PMH: Ms. Lupin has a history of early onset dementia, atrial fibrillation, COPD, insulin-dependent DM, an MI, a pacemaker, and an ORIF of a left hip fracture in 2011. Social History: Ms. Lupin lives alone in a 2-story home. She has 2 cats. Her primary source...
Please answer all the blanks (volume if H2 and
everything in analysis). TIA!
Data 5 1 oong 0.00 10.5ml 2 o.olag 0.00 11.0 Trial 3 o.org 0.00 12.00 o Daag o.albg 0.00 10.0 ml 11.5ml Mass of Mg (g) Initial volume of Syringe (mL) Final volume of Syringe (mL) Volume of H (mL) Barometric pressure (torr) Ambient temperature (°C) Vapor pressure of H2O (torr) 779.314har 23. Oi 21.0 forr TA.314tar 23.0c 179.3 14ton 23.0¢ 779.314 ton 23.0c 779.31472 23.0c 21.0...
With the data given, help on the calculations please
- Tes Name Determination of the Gas Constant, R, and the Purity of KCIO, Data Unknown number or letter Mass of test tube and iron (IIT) oxide 44.5928 Mass of test tube, iron (III) oxide and sample 44.979 8 Mass of test tube and contents after heating 44.8488 Volume of water displaced Barometric pressure 976 mbar Temperature of water temperature of O, 23 Vapor pressure of water at this temperature 21.068_mm...
i
uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...