8. For Ausys to always be negative, what must be TRUE?A.q=wB. q> -wC. W> -qOD. -W>qWhichALSEOD

Answered: 8. For Ausys to always be negative,…

Science

Chemistry

8. For Ausys to always be negative, what must be TRUE? A. q=w B. q> -w C. W> -q D -w>q

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter1: Introduction To Chemistry

Section: Chapter Questions

Problem 1.77PAE

See similar textbooks

Related questions

Q: Macmillan Learning If 5.67 g of CuNO3 is dissolved in water to make a 0.390 M solution, what is the…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: 4. Besides caffeine, what else is extracted into the tea? Why can you use the basic salt, Na₂CO3,…

A: Tea is made up of a complex mixture of chemical compounds, including polyphenols, amino acids, and…

Q: 1). Write balanced equations for each of the following reactions: A. Potassium + water ---------…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.206 s…

A: This question belongs to chemical kinetics. We are given k = 0.206 s-1 Initial concentration( Ao)…

Q: - Part A Draw a mechanism for this reaction: H* H.C-OH HO. Edit the reaction by drawing all steps in…

Q: A solution of NaCl(aq) is added slowly to a solution of lead nitrate, Pb(NO3)₂(aq), until no further…

A: The balanced chemical equation for the reaction between NaCl and Pb(NO3)2 is: Pb(NO3)2(aq) + 2…

Q: How many moles of sulfur tetrafluoride,SF4 , are present in 1.63 grams of this compound? moles How…

A: The concept behind these answers is the use of the mole concept and molar mass. The mole concept is…

Q: The next three (3) problems deal with the titration of 501 mL of 0.501 M carbonic acid (H₂CO3) (Ka1…

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

Q: The following acid-base reaction occurs spontaneously in the gas phase: NH3(g) + HCl(g) = NH₂Cl(s)…

A: Given acid-base reaction NH3(g)+HCl(g)⇌NH4Cl(s) Equilibrium constant = K=8.9×1015 At equilibrium…

Q: 18. In the molecule below, the covalent bonds shown are are A. polar; partially negative B. polar;…

A: If the electronegativity difference between the two bonded atom is in between 0.4 to 1.8, the bond…

Q: How many atoms of zirconium are in 0.3521 mol of ZrSiO; ?

Q: Which statement describes the normal boiling point of a substance? A The temperature at which the…

A: The concept behind the answer is related to the vapor pressure of a substance and its relationship…

Q: 4.8×1025 O3O3 molecules Express your answer using two significant figures. Calculate the mass in…

A: Check the relation for molecules to moles and then convert that moles into the mass.

Q: CI F se nos das men CI OH OH CI CI F

Q: a. Henderson-Hasselbach equation. h. The percentage of ionization for base of a particular vlue of…

A: a) b)

Q: Predict the major product(s) of the following reaction? A) B) C) D) E) - ||| I and II I, II and III…

A: This reaction proceeds through formation of benzyne radical. The mechanism of reaction is given…

Q: the equilibrium constant K for the following reaction is 6.35 × 10: 2 HCl(g) At a certain…

Q: curve arrows to complete the reactions below. IN C: H H-CICI: :ZEU to :01: HIC-H

A: the direction of curve arrow is from high electron density to low electron density .

Q: 1. Radii were reported as follows: Ti* = 60 pm; O² = 140 pm. Based on this, tell as much as you can…

A: TiO2 is a tetragonal structure lattice. Ti4+ = 60 pm O2- = 140 pm So, r+/r- = 60/140 = 0.428 So,…

Q: Hydrogen sulfide and oxygen react to form sulfur dioxide and water, like this: 2H₂S(g)+30₂(g)…

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration…

Q: A solution of 118 mL of 0.190 M KOH is mixed with a solution of 250 mL of 0.250 M NiSO4.

A: According to the question, The molarity of KOH = 0.190 MThe volume of the KOH solution = 118 mL =…

Q: to determine the direction of the reactions shown below Reaction 1 goes towards Reaction 2 goes…

A: Given that, three equilibrium reactions are given below We have to predict the given equilibrium…

Q: An unknown substance X (ΔHvap = 22.1 kJ/mol) has a vapor pressure of 76.0 mmHg at 300 K. Determine…

A: Given that, unknown substance x ΔHvap = 22.1 kJ/mol Vapour pressure = P1 = 76 mmHg Temperature =…

Q: STARTING AMOUNT X Determine the number of moles in 4.21 x 10²3 molecules of CaCl₂

Q: CH4(9)+3Cl₂(g) → CHCl3(g)+3HCl(g) 4 The reaction is exothermic. Suppose a mixture of CH4, Cl₂, CHCl3…

A: LeChatelier's principle: When factors like concentration, pressure, temperature, inert gases that…

Q: For the pairs b-c, b-d, b-e, b-f identify if the molecules are enantiomers, diastereomers,…

A: The enantiomers are chiral centers that are non-superimposable mirror images with opposite…

Q: The rate of a certain reaction is given by the following rate law: rate=k[H₂]²[NH₂] Use this…

A: Rate law expression: Let us understand the rate law expression by taking an example, X + Y ➝ Z The…

Q: molecule below. (IFA molecule doesn't have asteriastic center dent circle mything) No ON Jel e NH₂…

A: Stereogenic centre means if we interchange two atoms or groups, a new stereoisomer will forms.…

Q: 10:00 Consider the equilibrium system described by the chemical reaction below. If 0.1908 moles of…

Q: For the following reaction, 5.57 grams of magnesium nitride are mixed with excess water. The…

A: Given data, Mass of magnesium nitride (Mg3N2) = 5.57 gram Mg3N2(s) + 6H2O(l) <====>…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: The mechanism of given reaction can be given as : Step - 1 In first step N(Et)3 abstract H+ ion…

Q: For each of the following choose the variable that will be more favorable in solution formation. A)…

A: A solution is formed when a substance known as solute dissolves in another substance know as…

Q: How many milliliters of an aqueous solution of 0.175 M chromium(II) chloride is needed to obtain…

A: Molarity (M) :- The number of moles of solute dissolved in one litre of solution is known as…

Q: A Ce4+ solution is standardized by titrating it with a 0.1952 M Sn2+ solution. The balanced net…

A: Answer: This question is based on stoichiometric calculation where moles of Sn2+ will be converted…

Q: Autoionization occurs when two solvent molecules collide and a proton is transferred between them.…

A: Pure water is a poor conductor of electricity this shows that water is a weak electrolyte that is it…

Q: When excess Ag metal is added to 0.115 L of 1.350 M Fe³+ (aq) at 298K, the following equilibrium is…

A: Given equilibrium is Ag+(aq) + Fe2+(aq) ⇔ Ag(s)+Fe3+(aq)

Q: Substance C3H4 (g) H₂ (g) C3Hs (g) Calculate ASⓇ for C3H4(g) + 2 H₂(g) → C³H²(g). Sᵒ (J/mol-K) 266.9…

A: ∆S° = Sum of entropies of products - Sum of entropies of reactants Consider a general reaction :…

Q: In the lab, you need to make 250 mL of a 1.5 M solution of potassium chloride (KCl). KCl has a…

A: Given: Molarity of KCl is 1.5M. Volume of KCl is 250mL. Molecular mass of KCl is 74.55 g/mol.

Q: Show that the harmonic oscillator wave functions ₁ (x) and 2 (x) are normalized and that they are…

A: The eigenvectors of H are {|Φn> } with eigenvalues {(n + ½)ħω}. The energy of the harmonic…

Q: At a certain temperature, 0.820 mol SO3 is placed in a 3.50 L container. 2 SO3(g) 2 SO₂(g) + O₂(g)…

Q: Which of the following best describes the reaction? 2 H₂S(g) + 3 O₂(g) → 2 H₂O(g) + 2 SO₂(g) A) AS…

A: To solve this problem we have to know about entropy of a system .

Q: A scuba diver ascends too quickly and develops the bends. A nitrogen bubble has formed in the…

Q: Give the systematic names of these compounds. Spelling counts. Cul(s): Copper (I) iodine Incorrect…

Q: What does a permanent faint pink color in the solution indicate? 2. What do you think is the pH…

A: 1) There is faint pink colour shown during the titration which represents the solution has become…

Q: Starting from the wedge-and-dash structure below (sighting down the indicated bond), rotate the back…

A: The step wise stereochemistry is discussed below:

Q: f the ph of a solution is 13 which of the following is true h+=10^-13 m, oh= 10m h+= 10^-13…

Q: How many molecules of sulfur tetrafluoride are present in 3.61 moles of this compound? molecules…

A: Question about sulfur tetrafluoride We have to calculate the number of molecules in 3.61 Moles of…

Q: . Complete and balance each of the following equations. Use the activity series and solubility table…

A: Note: As per answering guide lines I am attempting first 3 subparts of the question

Q: Convert between mass and moles of a compound Use the molar mass of chromium(III) chloride, 158.4…

A: Number of moles of a compound = Mass of the compound ÷ Molar mass of the compound

Concept explainers

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.

Question

8. For Ausys to always be negative, what must be TRUE?
A.
q=w
B. q> -w
C. W> -q
O
D. -W>q
Which
ALSEO
D

Expert Solution

Step 1

Answer:

This question is based on first law of thermodynamics which gives us relation between $∆ U$ , $q$ and $w$ .

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

tloree loleutical f dilti-guishable bteracting particles & tseee available nou- Afle parctele energy levela laitg eurgies o, e 4 2E. the Bystim is En contact with a heat baoh of temp T. A tlal energy f dE is shared by these thoree pasetic les. the woi of cways the partlely can be distaibuted lf-. CGnfider a nou-
A coffee - cup catorimeter containg 30me of water with am nitat temperature of 24.8°C. An onbro- wn sample with a mass of 12.618 gramo way Placed s Prside making the water femperratune माँडर up to 25-5 °C गमेघ initiat temberatene The of the metal was 79.9°C. पwtiण वेसडीं प =D 1घक 3 त रिe्य %3D 4.184 J/ How much heat in joutes) was absorbet Water in the Catorimetes ? 64 the
Qq.1. Subject :- Account
.ll T-Mobile Wi-Fi ? 2:23 PM @ O 66% f Data - CHЕМ 1112 Exp 10B.pdf 1 of 1 ENT 10.B Enthalpy PART B Heat of Reaction of Mg(s) + HCl(aq) Initial temperature of HCI solution 22. 2c Mass of magnesium Moles of magnesium moles Highest temperature of mixture 61.6 °C AT of mixture °C Heat gained by the solution J Heat lost by the reaction J Heat of reaction per mole of magnesium J/mole Mg Heat of reaction per mole of magnesium kJ/mole Mg Heat of Reaction of MgO(s) + HCI(aq) _22.0 1,011 8 Initial temperature of HCI solution °C Mass of magnesium oxide Moles of magnesium oxide moles Highest temperature of mixture 36.9 °C AT of mixture °C Heat gained by the solution J Heat lost by the reaction Heat of reaction per mole of magnesium oxide J/mole MgO Heat of reaction per mole of magnesium oxide kJ/mole MgO Heat of reaction of water -285.9 kJ/mole H;0 Heat of reaction per mole of magnesium (from previous section) kJ/mole Mg AH,MgO(s) kJ/mole MgO AH,MgO(s) (Textbook value, if available, for…
Normal text Times New. - 12 BIUA + E- 1E = E - E - EEX ... .. 2 3 1 4 I I. c. Water from the sodium hydroxide solution 15 I . 16 ... I7 .. 6. Students collected the following temperature data for a coffee cup calorimetry experiment: Table 1. Temperature of solution with time for the reaction of baking soda with vinegar as measured in a coffee cup calorimeter. Time since start of reaction Temperatu re (°C) nent will (min) 24.6 0.5 20.9 1.1 20.1 1.4 19.3 1.7 18.5 2.1 18.4 2.5 18.3 2.9 18.2 3.5 18.4 a. Calculate AT and show your work. b. Is the reaction endothermic or exothermic? MacBook Air DII F6 80 F4 F3 &. $ 23 5 4 2 3 Y W K H G F S M V CO
2.50kcal to J
2. Set the two equations equal and isolate In Ksp on one side of the equals sign by dividing both sides by (-RT). AG=RT'In Ksp=AH-TAS/-RT AG=In KSR=AH-TAS/-RT| 3. Create a graph using Excel plotting In Ksp on the y-axis and 1/T (make sure the units for temperature are Kelvin) on the x-axis. I In KSP 0 0.0029 -0.5 -1 -1.5 -2 -2.5 -3 -3.5 -4 -4.5 -5 0.003 0.0031 0.0032 1/T 0.0033 0.0034 0.0035 y=-2738x+5.075 R² = 0.9845 0.0036 a. Use the value obtained for the slope of the graph to solve for AH° using the equation derived in Question 2.
111.1Ms = ? ks show work, report sig figs and units