Part A Solve for x, where M is molar and s is seconds. 0 X= (8.9 x 10³ M-2s¯¹) (0.30 M)³ Enter the answer. Include units. Use the exponent key above the answer box to indicate any exponent on your units. ► View Available Hint(s) xa 240.3 Submit μÅ Xb X.10n X Ms wwwwwwww Previous Answers 5 of 33 Review I Constants | Periodic Table

Part A Solve for x, where M is molar and s is seconds. 0 X= (8.9 x 10³ M-2s¯¹) (0.30 M)³ Enter the answer. Include units. Use the exponent key above the answer box to indicate any exponent on your units. ► View Available Hint(s) xa 240.3 Submit μÅ Xb X.10n X Ms wwwwwwww Previous Answers 5 of 33 Review I Constants | Periodic Table

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter1: Basic Concepts Of Chemistry

Section: Chapter Questions

Problem 29RPS: Use the graph below to answer the following questions. (a) Derive the equation for the straight...

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Calculate the electrostatic force of repulsion for two protons separated by 93.0 pm. The charge of a proton is q = 1.6 x 10-1⁹ C. Express your answer to two significant figures and include the appropriate units. Fel = μA 2.7.10 6 Submit N Previous Answers Request Answer ? X Incorrect; Try Again; 5 attempts remaining Use the equation Fel = K(Q₁ Q₂/d²) to find the electrostatic force between the two particles. Q₁ and Q2 are the charges on the particles (charge of a proton here), and d is the distance of separation. The constant is given in the introduction and has the units Nm²/C². This means that the distance must be converted from picometers to meters using the relation 1 pm = 1 × 10¯ m. -12
What is the boiling point of the unknown substance Xin K(Kelvin)? X(t) = X(g) AH-(kJ mol1) S°J mol1K1) X(g) -82.0 238 | X({) | -101 144 Express your answer in decimal notation rounded to three significant figures.
47°F Mostly sunny ||| O MEASUREMENT AND MATTER Setting up a one-step unit conversion A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. 20. mol kg Explanation = ? mol bll 7J8P3jH-lvWyv8WYLP6W0cqJcWJdIACROQwyw24GWHInZ2eqevgU6zfMwCeR1mXWLcvAsgD6uviUyW_5q27jYjsF Check Q Search x10 0.0 X н 3 L Ś 8 K © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Pr O
12. y= xVa²- x² + a²sin1÷, where a is a parameter
nHMAC%3Def41415d9158412623399163083b2ede#10001 Spr. 2021 8 Gu HI, Leira v Sign Out Item 4 I Review | Constants | Periodic Table Alexandra decides to climb Mt. Krumpett, which is 5000 m high. She determines that this will require a total of 2250 kcal of energy for the trip. For her food supply, she decides to take nutrition bars. The label states that each bar contains 50 g of carbohydrates, 10 g of fat, and 40 g of protein. Part A How many nutrition bars should Alexandra pack? Express the number of bars numerically. > View Available Hint(s) ν ΑΣφ bars Submit Previous Answers 0V 12:33
Unowng unit3. na atmosphere); kPa (kilopascal); mmHg (millimeters of mercury) = could have the following units: T = mL (milliliters); L (liters) = MUST be in Kelvin (K), If in Celsius (•C) you will need to covert. K = •C + 273 P¡V1 T1 P2V2 T2 What you start with. What you end with. ractice:d 9rt belleo . If I initially have 4.0 L of gas at a pressure of 1.1 atm, what will the volume be if I increase the pressure to 3.4 atm? Ini en bns 2i boold eavil D6iu2 2sr19vib ord nsriw 2siddud Senua 00.1 A commercial airliner has an internal pressure of 760 mmHg and temperature of 298 takeoff. If the temperature of the airliner drops to 290 K during the flight, what is th pew cabin pressure?
osjQib5plVDqEPgxo?. O GASES Solving for a gaseous reactant Jacqueline v The great French chemist Antoine Lavoisier discovered the Law of Conservation of Mass in part by doing a famous experiment in 1775. In this experiment Lavoisier found that mercury(II) oxide, when heated, decomposed into liquid mercury and an invisible and previously unknown substance: oxygen gas. 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of solid mercury(II) oxide (HgO) into liquid mercury and gaseous dioxygen. 2. Suppose 25.0 mL of dioxygen gas are produced by this reaction, at a temperature of 70.0 °C and pressure of exactly 1 atm. Calculate the mass of mercury(II) oxide that must have reacted. Round your answer to 3 significant digits. Explanation Check O 2021 McGraw-Hill Education All Rights Resenved Terms of Uss Privacy Accessibility MacBook Air III
||| = O STATES OF MATTER Using heat of fusion or vaporization to find the heat needed t... 0 Calculate the amount of heat needed to melt 59.7 g of solid octane (CgH₁g) and bring it to a temperature of 3.3 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. Explanation. Check 0.7 X 4/5 S Antonella V Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility F alb Ar
(e) (83.145 m - 83.142 m)/(4.52 sx 2.208 s) = i Units m/s^2 Hint Assis
Hi. I am trying to calculate the percent of water in an uknown hydrate. The given data is: mass of empty crucible +lid = 27.19g mass of crucible + lid and hydrate = 28.58g mass of crucible + lid and sample after heating(anhydrous salt) = 27.68g % water in hydrate formula = mass of water/mass of hydrate * 100
I asked this question earlier but I think I forgot to include a conversion wht we know : mm of citrix acid = 192.14g/moldensity of citrix acid =166g/cm3 1 lime = 2tbsp of juice = 6 tsp 1tsp = 4.929x10-3L Q: assume citrix acid makes up 7.96% by volume of the lime juice . How many moles of citrix acid are in the recipe ( calls for 1 lime juice)
Use your graph to answer the following. Enter your answers here in complete well-constructed sentences. What is the equation of your best-fit line? y=-12031x +34.91 1. What are the units of the X axis? the units of the X axis are 1/T (In Kelvin) 2. What are the units of the Y axis? The units of the Y axis are In(Ksp) (In is unitless) 3. What are the units of the slope? The units of the slope are K^-1/In(Ksp) What is the expected value for In(Ksp) at 25°C? Briefly explain how you determined this value. The expected value is In(Ksp)= -5.43541 at 25 degrees C First I changed the 25 degrees C into K so it will be able to fit into the 1/K portion of the equation. Then using the slope values from the graph I used those numbers for the equation. What is the expected value for Ksp at 25°C? The expected value is Ksp= 0.004339 What is the value of AH° in kJ/mol? What is the value of AS in J/(mol K)?