None Calcium is an important intracellular messenger that results invarious cellular responses. In muscle cells, calcium is sequesteredwithin a specialized organelle called the sarcoplasmic reticulum(SR). Release of calcium causes muscle contraction, and the calciummust be re-uptaken into the SR via the sarcoplasmic reticulum Ca²+ATPase (SERCA) before muscle cells can relax. Determine howmany calcium ions can be pumped into the SR lumen from thecytosol per ATP hydrolysis via SERCA under the followingconditions:[Ca2+] cytosol = 4.85 μM[Ca2+]lumen 12.8 μM=cytosol -90.0 mVlumen 0.00 mVWhat is the AG for the unfavorable transport of calcium (use 3significant figures)? 14.9kJ/molHow many ions can be transported per ATP hydrolysis (Use a wholenumber) (assume AG = AG°)? 1

Solution 1: the required solution is provided in the image attached below: Solution 2:

Answered: Calcium is an important intracellular…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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ORT SHEET Heat of Neutralization EXPERIMENT elemsboomfchg lom 12 A. Heat Capacity of Calorimeter 1. Temp. of calorimeter and water before mixing 2. Temp. of warm water °C 22.0 39,0 30.3 3. Maximum temp. determined from your curve °C 4. Heat lost by warm water (temp decrease x °C 50.0 g x 4.184 J/K-g) = 02), 5. Heat gained by cooler water (temp. increase x 50.0 g x 4.184 J/K-g) = 30,3 22.0)x 13626J s0.0gmpi S0.0gy 6. Heat gained by the calorimeter [(4) – (5)] = 7. Heat capacity of calorimeter: heat gained by the calorimeter temperature increase J/K 3. Heat of Neutralization of HCl-NaOH 22.2 22.2. °C . Temp. of calorimeter and NaOH Temp. of HCI AT determined from your curve after adding HC1 °C to the NaOH Heat gained by solution (temperature increase x ON 100 g x 4.184 J/K-g) = 9977.8J %3D Heat gained by calorimeter (temperature increase x heat capacity of calorimeter) = J %3D Total joules released by reaction [(3) + (4)] = Tight O 2018 Pearson Education, Inc.
Cyclopropane (CH2)3 was burned to carbon dioxide and liquid water, as represented by the equation (CH2)3(g) + 9/2O2(g) = 3CO2(g) + 3H₂O(1) The heats of combustion of (CH2)3, carbon, and H₂ are, -500.0, -94.0 and -68.0 kcal mol-¹, respectively. The heat of formation of propylene, CH3CH=CH₂ is 4.9 kcal/mole. Calculate the heat of isomerization (in kcal mol-¹) of (CH₂)3 to propylene.
Which statments are false? Question is in the image
Q2 (a) Given that the enthalpy values for the following reactions are: AH = -1049.0 kJ 2 Al (5) + 6HCI (ад) — 2 ALCI3 (аg) + 3 Н2 (9) AH = -74.8 kJ HCl (g) → HCl (aq) + Cl2 (g) → 2HCI AH = -185.0 kJ H2 (9) + AlCl3 (s) → AlCl3 (aq) (g) AH = -323.0 kJ ΔΗ Manipulate the reactions above to determine AH for: 2 Al(s) + 3 Cl2 (9) → 2 AlCl3 (s) In one experiment, a 25 g sample of an alloy was heated to a certain temperature. (b) The heated alloy was then dropped into a beaker containing 90 g of water at 25.32 °C. The temperature of the water rose to a final value of 27.18 °C. Predict the final temperature that the alloy is being heated at the beginning of the experiment. Given that the heat capacity of water and alloy are 4.184 Jgl°C-' and 0.3847 Jg l°C' respectively.
▼ Part B 2NO3(aq) +8H(aq) + 6e 3Fe(s) + 2NO3 (aq) +8H+ (aq) 3Fe(s)→→3Fe²+ (aq) + 6e →>> 2NO(g) + 4H₂0 (1) →3Fe²+ (aq) + 2NO(g) + 4H₂O(1) IVE ΑΣΦ Calculate El using the tabulated standard electrode potentials at 25 °C. cell Express your answer in volts to three significant figures. Eeell= 1.21 SWE Submit Previous Answers Request Answer 2+ X Incorrect; Try Again; 4 attempts remaining ? V stontiol buoubtrooting the electro na
500.0 mL of 0.100 mol·L HCl(aq) was added to a high quality insulated calorimeter containing 500.0 mL of 0.100 mol·LNaOH(aq). Both solutions had a density of 1.000 g·mL and a specific heat of 4.184 J·g ·K . The calorimeter had a heatcapacity of 850.0 J·K . The temperature of the entire system rose from 25.50 C to 26.05 C.Calculate the heat of reaction. Thank you!
Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine making an 0.1 M solution of each species. Select1 next to the species that makes the solution with the lowest pH. Select 2 next to the species that makes the solution with the next higher pH, and so on. Notice that some of the rankings have been filled in for you already. Also notice that water is on the list. For that particular case, just compare the pH of pure water to the pH of the other solutions. Note for advanced students: for all charged species, you may assume the necessary counterions act as neither acids nor bases. relative pH of 0.1 M aqueous solution species H20 4 H,PO4 HNO, (Choose one) NO2 7 OH (Choose one) HF (Choose one) ▼
-1/3=j/4-10/3 What is j?
(d) H₂ H₂C-C H₂ * HC -C H₂C CH3 Supporting Materials Periodic Table Additional Materials eBook Tutorial Constants and Factors Supplemental Data
13, :№= daw anews N=H daw amous here :0: N=CO 가 72 Q:C=N: КО KCN, HCL KO KCN, HCL gali KⓇ that product
Describe chemistry of petrol and diesel ?
for each of the following compounds... a. Build a model using the molecular model kit b. Name the compound, using R, S nomenclature

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