Y ✓ Correct Correct answer is shown. Your answer -3330 kJ mol was either rounded differently or used a different number of significant figures than required for this part. Part B Find A, H for the combustion of naphthalene at 298 K. Express your answer using four significant figures. 15. ΑΣΦ A,H= Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining ? kJ mol-¹

Y ✓ Correct Correct answer is shown. Your answer -3330 kJ mol was either rounded differently or used a different number of significant figures than required for this part. Part B Find A, H for the combustion of naphthalene at 298 K. Express your answer using four significant figures. 15. ΑΣΦ A,H= Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining ? kJ mol-¹

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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Be sure the answer has correct significant digits
Please give me answers in 5min I will give you like sure
Just #2 please
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A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl alcohol to be 74.1 ºC. Then, she looks in a reference book and finds that the actual boiling point of ethyl alcohol is 78.4 ºC. What is her percent error?Record only your final answer with the correct number of significant digits and the proper units.
In Simple Chemical Conversion, the general solution is X XO(e^kt). Xo there is the original amount of substance. O Only the second sentence is false. O Both first and second sentences are false. O Both first and second sentences are true. O Only the first sentence is true.
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Acetylene (C₂H₂) gas is often used in welding torches because of the very high heat produced when it reacts with oxygen gas, producing carbon dioxide gas and water vapor. Calculate the moles of acetylene needed to produce 0.075 mol of carbon dioxide. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. 0 010 X x10
Give handwritten answer
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 equa
Which statement is false? The volume of a balloon decreases when placed in a freezer. 1 cm³ = 1 mL Increasing temperature increases the speed of the particles according to the KMT. Pressure is defined as the force of the gaseous particles against the walls of the container. The temperature of a gas increases as you compress the canister.
please answer quickly and correctly please round to 3 sig figs