An ideal gas receives 2453 of heat and contracts by 1.30 h against an external pressure of 60.0 KP9. what is the change in internal energy of the system? 9 +167 +323J C-323J JJ-167 J eJoJ

Q: Which of the following is not a characteristic property of a sample? O magnetism O melting point O…

A: A characteristic property is used for the identification of a sample based on its physical or…

Q: a student makes 6 replicate readings and wants to calculate 95% confidence interval. which t value…

A: Find the mean (average) of the 6 readings.Calculate the standard deviation of the 6 readings.

Q: reagent to complete each reaction. Ignore inorganic byproducts. ++ ye ⠀⠀ U 31. Select to Draw 80 HCI…

A: Alkynes undergo addition reactions when treated with Cl2 or HCl or Br2.

Q: A student performs the experiment and acquires a mass of 9.25g for a 10mL addition of 12

A: Part 2: Mass of water = 9.25 g Volume of water = 10 mL To determine: Percent error for this trial

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A: Sampling error is a kind of discrepancy or difference that occurs between the sample statistic (like…

Q: Use the following two titration curves to answer each of the following statements. Select the choice…

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A: we will be simple mathematical calculations to solve this problem.

Q: Cadii Part C The following ions contain the same number of electrons. Rank them in order of…

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Q: 23892U > 23290TH + 42He2+ True False

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A: Indeterminate errors are also called accidental errors or random errors which are beyond the scope…

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A: The amount of sugar in the blood can be determined by following two methods.  Fasting blood sugar…

Q: The image below illustrate the complete separation. True or False?

A:

Q: There are two different sizes of paperclips and they have been connected into clusters by linking…

A:

Q: Consider the following sets of replicate measurements: (1) Calculate the mean and standard…

A: Given that, the values of group A are 9.5, 8.5, 9.1, 9.3, and 9.5. So, the number of values is n =…

Q: hi i do not understand the words in blue ink written at the bottom can you please re write

A: Ideal gas equation : PV = nRT  where P = pressure of the gas            V = volume of the container…

Q: a) or b) О Н OH

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Q: Use the References to access important values if needed for this question. A sample of GeBr4 with a…

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A:

Q: ) 03 2) Zn/HyO+ c) CH3 CHz CH=CHz ) 3H3 2) H2O2 /oH- CH2 d) KMn 04 e)

A: Ozonolysis of alkene

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Q: . For each of the following samples of ionic substances, calculate the number of moles and mass the…

A:

Q: 3) For the results, discuss the significance of the following in terms of accuracy or precision: a)…

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Q: How sample can be introduced into mass spectrometer and which method is more suitable.

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Q: When benzene loses one of its hydrogen atoms, it is called phenylene True Error

A:

Q: Question is in photos,

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Q: if you use tap water to dissolve a solid you can contaminate data true or false?

A: YES if we use tap water to dissolve a solid then we  can contaminate the data.

Q: experimental value is 523 accepted value is 500 how many sigfigs should percent error be

A: Given: The experimental value, E=523 The accepted value, T=500 Percentage error can be calculated as…

Q: What is gravimetric analysis? Group of answer choices Density measurement Mass measurement…

A: Gravimetric analysis is a quantitative method of chemical analysis that involves the determination…

Q: how did you get a negative answer for part a the correct answer should be 31.508

A: The given data 2 NO(g) + O2(g) --> 2NO2(g)  ∆Horxn = -12kJ and ∆Sorxn = -146J/K The standard…

Q: NO3: Nitrate ion Incorrect

A:

Q: From Experiment Correct Value % error Cs,metal |(J/goC) 0.2335 0.400

A: The given data is :

Q: General Formula of Hydrate= Heating # 0 1 23 2 3 45 4 5 Empty Crucible (g) 15.5525 15.5391 15.5377…

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A: Full form of FSR is Full scale range.

Q: BaCl2٠2H2O What is the mass salt?  What is the mass water?  What is the mass percent?

A: Ans

Q: NH2 H. Spell out the full name of the compound. Submit Request Answer Provide Feedback DPearson

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Q: Please check my work. Also, did I round to the appropriate number of significant figures

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