the following process, state whether each of q, w, ∆U, and ∆H is positive, negative, or zero. Explain your answers
a) Complete combustion of benzene in a bomb calorimeter
the following process, state whether each of q, w, ∆U, and ∆H is positive, negative, or...
Without doing any detailed calculation, specify for each process whether each of the following quantities is positive, negative or equal to zero: q, w, ∆U, ∆S, ∆Ssurr. Provide a brief explanation for each of your choices. If the question does not allow you to come to a definite conclusion, briefly discuss the possibilities. (a) A sample of water is boiled at 100◦C and 1.00 atm. (b)A sample of an ideal gas expands irreversibly and adiabatically into a vacuum. (c) A...
Given the following quantities: Q, W, U, Ek write down which one of the following statements is true: (A) Q always equals W if U = 0 (B) Ek is always zero or positive (C) all of the quantities can have a negative value (D) Q always equals U (E) only two of the quantities can have a negative value
Short Answer: (4 points each) 1.) Predict whether the entropy change is positive or negative for each of the following reactions. GIVE YOUR REASON FOR YOUR PREDICTIONS a) 2KC1O4(s) → 2KCIO3() + O2(8) b) H2O → H2O) c) 2Na(3) + H2O → 2NaOH(aq) + H2() d) N2(g) → 2N) 2.) State whether the sign of the entropy change expected for each of the following processes will be positive or negative, and EXPLAIN YOUR PREDICTIONS. a) PC130) + Cl2(e) → PCls(s)...
3) Predict whether the change in entropy is positive, negative, or zero for each of the following reactions at 298 K, and explain your reasoning (2 pts each. 8 pts total): 1.4 Fe(s) + 3 O2(g) → 2 Fe:O:(s) b. O(g) + ( ) → O.(g) NH,Cl(s) » NH(g) + HCl(g) d. Hz(g) + Cl:(g) → 2 HCI c.
Indicate whether ΔS° is large and positive, large and negative, or nearly zero in each of the following reactions. (a) NH3(g) + HCl(g) → NH4Cl(s) large and positive large and negative nearly zero (b) N2H4(g) → N2(g) + 2 H2(g) large and positive large and negative nearly zero (c) H2(g) + I2(g) → 2 HI(g) large and positive large and negative nearly zero (d) HF(aq) + NO2− (aq) → F − (aq) + HNO2(aq) large and positive large and negative...
6.25 For each of the following reactions determine whether the reaction (ASay) will be positive, negative, or appr S for oximately zero: ost of the Problems afu e teaching and learning solution. tified in largest Cl + H2O Cl OH
For the following scenarios, indicate whether delta G is always
positive, always negative, or either positive or negative depending
on T. Explain your answer.
For the following scenarios, indicate whether AGº is always +, always -, or either + or - depending on T. Explain your answer. AHºis + and AS is + AH° is + and AS™ is - AH° is - and AS™ is + AH° is - and AS™ is -
5. For each reaction determine whether AS for the reaction (ASsys) will be positive, negative, or approximately zero. (2 points, 1 point each) CH3 CH3
For a pair of oring atoms list the four potential energy terms, state whether each one is positive or negative, and describe the dependence of energy dn separation distance. 3. a) Sodium Chloride (NaCl) forms an ionic crystal. 2. 3. 4 b) What is the function of the Madelung Constant?
For a pair of oring atoms list the four potential energy terms, state whether each one is positive or negative, and describe the dependence of energy dn separation distance. 3....
Predict whether AS is positive or negative for the following process: 2 Cl207(g) – 2 Cl2(e) + 7 O2(g)