Fill in the BlanksType your answers in all of the blanks and submitAnswer the questions below:Determine both the Hand the pH in a 0.0541 M solution of HNO3 at 25 °C?[H*]=HT|= | Type your answer herepH =Type your answer hereDetermine the OH, the pOH and the pH in a 0.00680 M solution of NaOH at 25 °C?OH= Type your answer here[OH]3DpOH =Type your answer herepH =Type your answer hereDetermine the OH the pOH and the pH in a 0.0564 M solution of Ca(OH)2 at 25 C?[OH]=Type your answer hereType your answer herepH =Type your answer hereMacBook AirM. 16 Homeworkework Due in 21 hoursO 14/18 answeredU16HW Question 11Homework UnansweredFill in the BlanksType your answers in all of the blanks and submitCalculate the appropriate H3O or OH for the conditions shown below at 25 °C.If the OH =2.37E-07 M, then the (H30= Type your answer hereIf the H30+ 8.33E-09 M, then the [OH"= Type your answer hereSubmit your answer using e notation. For example 1.2x10 2would be 1.2e-02M.

Fill in the Blanks Type your answers in all of the blanks and submit Calculate the appropriate H30+|or [OH for the conditions shown below at 25 °C. M If the [OH=2.37E-07 M, then the [H30+= Type your answer here If the (H30+=8.33E-09 M, then the [OH= Type your answer here M. Submit your answer using e notation. For example 1.2x10 2 would be 1.2e-02

Fill in the Blanks Type your answers in all of the blanks and submit Calculate the appropriate H30+|or [OH for the conditions shown below at 25 °C. M If the [OH=2.37E-07 M, then the [H30+= Type your answer here If the (H30+=8.33E-09 M, then the [OH= Type your answer here M. Submit your answer using e notation. For example 1.2x10 2 would be 1.2e-02

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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Number 9 part b, c, d
soft Teams Edit View Window Help 51% Q Search Activity O hwquiz6-1.docx Word hwquiz6-1 E Immersive Reader Teams Open in Desktop App 12. How much heat is released when 3.42 g of nitrogen dioxideis dissolved in water to produce nitric acid and nitrogen monoxide? AH = -188 KJ/mol Assignments Calendar Files
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OA https://utica.schoology.com/assignment/3408519448/assessment 23 Question 3 Is the following equation endothermic or exothermic? N2 (g) + 0, (g) + 180KJ --> 2 NO (g) O a exothermic O b endothermic Question 4 Given the following scenerio, which of the statements below is true? A beaker of water is at 50°C. The surrounding air is 21.7°C. After several minutes, the beaker of water is now at 42°C and the surrounding air is at 24.3°C. The thermal energy is being transfered from the water to the air making the air warmer. a The thermal energy is being transfered from the air to the water making the water warmer. The thermal energy is being transfered from the water to the air making the air cooler. Question 5 An example of an exothermic reaction is: O a activating an instant cold pack. refining aluminum ore. heating "meals-ready-to-eat" (MRES) by pouring water into the ration heater. HK Time left for thi assessment 50:16 Rep Ice e to search
Be sure to answer all parts. Enter your answer in scientific notation. Carry out the following calculation, paying special attention to significant figures, rounding, and units (J-joule, the SI unit of energy; mol = mole, the SI unit for amount of substance): (6.022 x 1023 atoms/mol) (4.68 x 10-18 J/atom)(1-2-3-2)=[25.051 Note that the numbers 1 and 3 in the last term are exact. x 10 J/mol
us_engine.html?ClassID=1834324617# 7.41 g Ca(OH)2 dissolves in 50.0 g of water in a calorimeter. The initial and final temperatures of the solution are 21.50 °C and 28.25 °C, respectively. What is the heat of solution for the dissolving process? →>> Ca(OH)2 Ca2+ + 2OH- Csoln = 4.18 J/g °C (msoln) x (Csoln) x (Tf - Ti) (7.41 +50.0) (4.18) (28.25 - 21.50) qsoln = qsoln = asoln = [?] J Enter either a + or - sign AND the magnitude. Use significant figures. q, soln (J) Enter
S_engine.html?ClassID=1109578016# During the reaction, the water temperature rises from 25.00 to 28.54 °C. The heat capacity of the calorimeter, including water, is 5860 J/°C. Calculate the heat of reaction in Joules. 9rxn = [?] J Hint: Let the units guide your calculation set up! Enter either a + or - sign AND the magnitude. Do not round until the end. q.rxn (J) Enter
Sample Experimental Values: Reaction 1: Both reactants are 2M Reaction 2: Both Reactants are 2M NaOH (aq) + HCl (aq) → H₂O (1) + NaCl (aq) 1 Reaction 2 NaOH (aq) + CH3COOH (aq) → H₂O (1) + NaCH3COO (aq) Temperature Change 20 C 8 C Volume of Reactants 25.0 mL NaOH 25.0 mL HCI 10.0 mL NaOH 10.0 mL CH3COOH Final Mass of Solution 50.0 g 20.0 g 2. Using the sample experimental values, answer the questions below. a. Show the calculation used to determine how much heat was produced for both reactions. Report your answer in Joules. b. How much heat was released per mole of acid? (Hint: think about the concentration of the reactants and their respective volumes used. Report answer for both reactions in kJ/mol) What is the vocabulary chemists use to describe this experimental value? 3. Based on the experimental evidence, how is the heat of neutralization related to the strength of the acid?
2. Circle the best answer, of the italicized words, when considering the following reaction: 2 HNO3(aq) + NO(g) → 3 NO2(g) + H20(1) AH°rxn = +137 kJ a. Is this reaction exothermic or endothermic? b. If NO gas is bubbled into a flask containing aqueous HNO3 , will the temperature of the water in the flask increase or decrease? C. Are the reactants at a higher or lower energy than the products?
Please help me with this using the data given from the chart. Please calculate the Delta T (in degrees Celsius), Energy Absorbed (q) and heat per gram of nut (J/g) please show your wor