Can you please show me how to do these questions?
Can you please show me how to do these questions? Predict the sign and magnitude of...
Determine whether each of the following is exothermic or endothermic and indicate the sign of dry ice evaporating a sparkler burning the reaction that occurs in a chemical cold pack often used to ice athletic injuries Determine whether each of the preceding is exothermic or endothermic. Drag the items into the appropriate bins. Indicate the sign of Delta H Drag the items into the appropriate bins.
The question goes as: Determine whether each of the following isexothermic or endothermic and indicate the sign of (Delta sign) H. a. Dry ice evaporating - I believe is endothermic? b. a sparkler burning- I believe is exothermic? c. the reaction that occurs in a chemical cold pack often usedto ice athletic injuries - I believe is exothermic?
Predict the sign of the entropy change, Delta S degree, for each of the reaction displayed. Drag the appropriate items to their respective bins. Calculate the standard entropy change for the reaction 2Na(s) + CI_2 (g) rightarrow 2NaCl(s) using the data from the following table: Express your answer to four significant figures and include the appropriate units.
Assignment Score: 1879/2500 Resources by Give Up? Hint Check Answer Question 24 of 25 > Predict whether the following reactions will be exothermic or endothermic. Reaction A. N (9) + 3H2(g) — 2NH3(g) Reaction B. S(g) + O2(g) - SO,(g) Reaction C. 2H,0(g) — 2H,(9) +0,(9) Reaction D. 2F(8) - 5,() Bond H-H NEN O.O F-F H-N H-O AH°(kJ/mol) 432 942 494 155 386 459 S=0 522 Which reaction(s) are endothermic? Which reaction(s) are exothermic? OA OA OB oc OB...
Part A Predict the sign of the entropy change,, for each of thefollowing reactions. Part B Calculate the standard entropy change for the reaction using the data from the following table: Substance 58.9 24.5 279.9 0 0 205.0 2984 2698 228.9 Part A Predict the sign of the entropy change,Delta S^circ, for each of thefollowing reactions.Part B Calculate the standard entropy change for the reaction using the data from the following table
Need help on this question.Thank you (a) Predict the sign of Delta S for each of the following changes. Explain your response: (b) Given the following reaction: HOBr_(aq) + Br^-_(aq) Br_2(g) + OH^-_(aq) calculate the equilibrium constant for the reaction under standard pressure at 298 K given Delta H^Compositefunction = 15.51 (kJ/mol) and Delta S^Compositefunction = 111.89 (J/(mol K)).
Questions 3-5: Pick 2 of the 3 questions to complete (you can stil do all 3 Consider the possibilities for initial and final states during physical changes. following three. Note: you will need to consider whether the process i For each change, answer each of the exothermic or endothermic (as written) he vaporization of water: H,00) + H,0g) a. Based on the probability of particle distribution, which state (initial or final) is more Based on the probability of thermal energy...
can someone help me explain how to answer these question using this simulation ? 3. Adjust the temperature for an endothermic reaction. Then adjust the temperature for an exothermic reaction. What happens? K... When I decreases creases Sign of AH When Tincreases Positive (endothermic) Negative (exothermic) a. Write the chemical equation for the endothermic reaction when An=0. Is heat a reactant or a product? b. Write the chemical equation for the exothermic reaction when An=0. Is heat a reactant or...
Pre-Lab Questions 1. Describe the hazards associated with each of the materials listed below. (2 points each) a. Burning Mg ribbon b. 2 M HCI C. H gas 2. Distinguish between exothermic and endothermic reactions. (2 points) 3. Identify the general reaction type for each of the following reactions: (4 points each) a. N. (8) + 3H,(g) → 2 NH (8) b. NaOH(aq) + HCl(aq) → NaCl (aq) + H,O (1) c. Cu (s) + 2 AgNO, (aq) → Cu(NO),...
2. Predict the products for the following reaction. Show stereoisomers formed and me mechanism of the reaction. 3. Predict the major product for each of the following reactions. Show the mechanis indicate stereochemistry where appropriate. BR be H.0 Tommi OH 11)