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A: Given:mass of water= 500ginitial temperature, t1= 35∘Cheat supplied to water, H=2035calto find,…
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A: Given: Required heat = 87 J Initial volume = 1.0 L Final volume = 1.4 L External pressure = 0.97…
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Q: Number 11
A: Specific heat can be defined as quantity of heat required to raise the temperature of substance by.…
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A: Heat required , Q=mc ×temperature difference.
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A: Given Q1 = 50 KJ ∆T= final temperature - initial temperature = 50- 40 = 10 Now by using…
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Q: A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…
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A: Given : mass = 789.0 g Initial temperature (T1) = 30.5 degree Celsius Final temperature (T2) = 0…
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Q: Section 5.8 Energy and Reactions 10. In hot weather dogs pant and humans sweat. Is the panting…
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A: Use calorimetry principle to get answer Heat flow from high temperature to low temperature. Heat=…
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A: The answer is given as follows
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A: Given: Mass of water=200 g Temperature change, ∆T=(T-20.0)°C Heat absorbed, q =41840 J Specific…
Q: 3. How much heat is required to change temperature of 2g of water from 34°C to 68°C? (Water has a…
A: Given Mass of water = 2 gram Initial Temperature ( T1) = 34 ℃ Final Temperature…
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Q: Question attached
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Q: How many Joules of energy would be required to heat 35g of water from 23C to 29C?
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A: GivenMass of water = 67.42 gInitial temperature =Ti = 1.2°CFinal temperature = Tf = 97.4 °C
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Q: Suppose that 25 g of substance is initially at 27.0°C. What is the final temperature of each…
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Q: How much heat is required to change temperature of 2g of water from 34°C to 68°C? (Water has a…
A: Q = m C ( T2-T1)
Q: Suppose that 25 g of each substance is initially at 27.0 °C. What is the final temperature of each…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: How many grams of water can be heated from 27.6°C to 38.9°C by the heat released from 71.3 g of lead…
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Q: How many grams of water can be heated from 28.3°C to 41.8°C by the heat released from 83.5 g of lead…
A: The solution is given below -
Q: A 475-g sample of water absorbs 25.1 kJ of heat. If the initial temperature of water is 19.0oC, what…
A: Given: Mass of water sample(m) = 475 g Heat(q) = 25.1 KJ OR 25100 J Initial temp. (T1) = 19°C…
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A:
Q: How much energy does it take to heat 15.6 grams of aluminum metal from 25°C to 150.°C? The specific…
A: Mass of Aluminum = 15.6 grams Initial Temperature (Ti) = 25°C Final Temperature (Tf) = 150°C…
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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- THE QUESTION IS AT THE PICTURE... 2 QUESTIONS ONLY.. AND THE GIVEN PROBLEMS IS THE ONE I TYPED............. PLEASE TYPE YOUR ANSWER PLEASE....A. Concentration1. Place 3 mL each of 6N, 3N, & 1.5N hydrochloric acid in separate test tubes.2. Drop simultaneously equal lengths (about 1cm) of magnesium ribbon and note thetime it takes for the magnesium to dissolve in each use.B. Surface Area1. Weigh a small iron nail to the nearest hundredths of a gram and weigh an equalamount of iron fillings.2. Place them in a separate test tubes.3. Add simultaneously 3 mL of 3N hydrochloric acid and compare the rates of reaction.C. Temperature1. Place 5 mL each of 0.1N sodium thiosulfate solution into 5 test tubes.2. Place all five test tubes in the water bath and let it stand for 1 minute.3. Record the temperature of the water bath. Remove the first test tube from thewater bath and place it in the test tube rack.4. Add 1 mL of 0.1M sulfuric acid and stir with a glass rod. Record the time it takes…rsity o... ingsbo... kboard... ARED4 ethod? 7... F2 Remaining Time: 1 hour, 22 minutes, 23 seconds. Question Completion Status: A Moving to the next question prevents changes to this answer. Question 1 # The angle of the water molecule (H₂O) is 180 degrees 120 degrees 100 degrees 90 degrees 109 degree A Moving to the next question prevents changes to this answer. MAR 14 80 F3 SA $ 000 F4 tv % F5 NA MacBook Air 22 F6 ∞r F7 45.113Edit View History Bookmarks People Tab Window Help O Questi x L 2021-0 x M [EXTE X o Dashb x O Launci x O Launc x O Class 9 ba mheducation.com/ext/map/index.html?_con=con&external_browser3D0&launchUrl=https%253A%252F%252Fnewconn Problem Set Saved 1 attempts left Check my work Enter your answer in the provided box. Find AS for the combustion of ethane (C,H) to carbon dioxide and gaseous water. Report the entropy change per mole of ethane that undergoes combustion. J/(mol·K) < Prev 15 of 15 Next
- 30jud to 28AM basu mw 5. Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardization it was found that a 0.498-g sample of sodium carbon- ate required 23.5 mL of a sulfuric acid solution to reach the end point for the reaction.Name three applications of Neutralization reactions in daily life. I 19px Paragraph ^三 10 Lato (Recom.. v Add a File Record Audio Record Video Submit Quiz O of 14 questions saved +66O Course Home b Details | bartleby O X -> A openvellum.ecollege.com/course.html?courseld=16561285&OpenVellumHMAC=dd25775cc7b85cec3204f753df519590#10001 Q * E Apps O Maps E Connect - To Do As... O ocCC Moodle P chem work b help A Balance Chemical E. Gmail YouTube CHEM-1123-EW40S Late Spring 2021 Sign Out Help Hi, ashlee v Mastering Chemistry Course Home O My Courses Syllabus Part A Scores Identify which of the following are carbohydrates. Check all that apply. еТext • View Available Hint(s) Document Sharing Но User Settings CH, Course Tools > H CH-O, H OH H C-C OH H OH OH H H O H-Ö -NH, H. ОН ОН ОН H H H H-C- -C С—С—ОН ОН ОН ОНн O H O HO-C- -C-C-OH ОН ОН ОН 10:39 PM P Type here to search 99 3/10/2021
- phs.blackboard.com/webapps/assessment/take/take.jsp?course_assessment_id%3D 36688_1&course_id%3D_31958 1&content_id%3_1130567_1&- 8r 10 13 140 15 16 20 11 12 17 18 19 20 A Moving to another question will save this response. Quèstion 6 Select the statement that is not supported by the following equation: q=0=(mwater)(Cwater)(ATwater)+ (mmetal)(Cmetal)( ATmetal) The total change in heat is the sum of the changes in heat of water and a metal. Energy is conserved. Energy is transferred between water and a metal. Energy is lost during a calorimetry experiment. A Moving to another question will save this response. hp & %23 9. 6. 00 进3THE QUESTION IS AT THE PICTURE... 2 QUESTIONS ONLY.. AND THE GIVEN PROBLEMS IS THE ONE I TYPED........ATTACHED PHOTO IS MY ANSWER BUT PLEASE CORRECT ME IF I AM WRONGA. Concentration1. Place 3 mL each of 6N, 3N, & 1.5N hydrochloric acid in separate test tubes.2. Drop simultaneously equal lengths (about 1cm) of magnesium ribbon and note thetime it takes for the magnesium to dissolve in each use.B. Surface Area1. Weigh a small iron nail to the nearest hundredths of a gram and weigh an equalamount of iron fillings.2. Place them in a separate test tubes.3. Add simultaneously 3 mL of 3N hydrochloric acid and compare the rates of reaction.C. Temperature1. Place 5 mL each of 0.1N sodium thiosulfate solution into 5 test tubes.2. Place all five test tubes in the water bath and let it stand for 1 minute.3. Record the temperature of the water bath. Remove the first test tube from thewater bath and place it in the test tube rack.4. Add 1 mL of 0.1M sulfuric acid and stir with a glass rod.…4 A model for the compound butane is shown. E 20 F3 D C Submit Answer 4 Write a balanced chemical equation that shows the formation of butane from the elements carbon (C) and hydrogen (H₂ ). (Use the smallest integer coefficients possible and do not include states.) ball & stick-+ labels 200 000 F4 R F + H % 5 V WH [Review Topics] [References] Use the References to access important values if needed for this question. Retry Entire Group 9 more group attempts remaining Cengage Learning Cengage Technical Support F5 T G B MacBook Air F6 Y H & 7 F7 U N * 8 J F8 M ( 9 K DD FO O F12 I } delete
- HP TrueVision HD 4 Texas Workfor Mộc Homework × W. College Physic mical App AN Careers eagleonline.hccs.edu/courses/188795/assignments/3601808 valnabie diler reD 4 dl 10.1Tam Constants | Periodic Table Part O Complete the fourth row. Complete the following table by calculating the missing entries and indicating whether the solution is acidic or basic. Express your answer using two decimal places. Acidic or [H+] [OH-] pH pOH basic? 7.4x10-3 ΑΣφ 3.3x10-10 M pH 8.25 5.73 Is to fa ho II 10 insertof of WI of View 6. Yo = A reci points) History Content Bookmarks Window Help CHEMICAL REACTIONS Writing net ionic equations The following chemical reaction takes place in aqueous solution: Fe₂(SO4)₂(aq) + 3 Na₂S (aq) → Fe₂S3(s) + 3 Na₂SO4(aq) Write the net ionic equation for this reaction. Explanation A ALEKS-Katelyn Pearson... *PER08STOINT 1 cup of cleaned and 1 pound of onions w B2-70 Check Annie G Sk Yeah true 1:22 PM (Appointment Reminder].... ANTO www-a iMessage tv NMDraw the major product that is expected in each of the following reactions. 1) Excess Mel 2) Ag20. H20. heat * Draw Your Solution eTextbook and Media MacBook Air 吕0 F9 F4 FS FI & * $ 4 @ # 7 8. 9. 2 3 W E Y S F G H K C V B