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(t) -101 144 Express vour answer in decimal notation rounded to three significant figures.

Q: - 37.0 K

A: Given data are as follows: Volume of container = 50 L Initial pressure = 117 kPa Final pressure =…

Q: m Calculate the kinetic energy of a 34. g bullet moving at a speed of 458. Round your answer to 2…

A: Given, mass of a bullet = 34. g = 0.034 kg Speed, v = 458. m.s-1

Q: A common unit of pressure is the Pascal, Pa, which is equivalent to Newton per meter squared (N/m2).…

A: Given:0.224808943 pounds is identical to 1 Newton.

Q: Kmax = (6.63x1034 J.s) (7.09x10¹4 s¹)-(2.17x10 J) h. y = 2.25×108 m/s 3.00×108 m/s 1.

A:

Q: Express the following temperatures in degrees Celsius.(a) 9001°F(b) 98.6°F (the normal body…

A: since you have posted a question with multiple sub parts. we will solve first three sub parts for…

Q: Calculate the kinetic energy of a 311. kg car moving at a speed of 10.8 Round your answer to 3…

A: kinetic energy of an object is defined as the energy that the object possesses due to its motion.

Q: 2- The melting point of gold is 1948 °F, this melting point in degrees of °C is . . ....

A: Melting point of gold = 1948° F Melting point of gold = ? ° C

Q: Part A An electron acquires 6 60x10-16 J of kinetic energy when it is accelerated by an electric…

A: Kinetic Energy of electron = 6.60 × 10-16 J Charge on electron = 1 Coulomb = 1.60 × 10-19 C

Q: Q1. The correct conversion expression between degrees C to K is? A. T(K)=t(°C) + 273.15 C. T(K)=…

A:

Q: The melting point of an unknown solid is determined to be 32 °C. What is this temperature on the…

A: Temperature is generally expressed in degrees celcius (°C)  For example :-  Room temperature = 25°C…

Q: Determine the overall order of the reaction from the graphs below

A: The plot of 1/[C4H6] versus t is linear whereas the plots of [C4H6] versus t and ln[C4H6] versus t…

Q: 4 NO2 (g) + 2 H2O (1) + O2(g) → 4 HNO3 (aq) Express your answer using one decimal place.

A:

Q: Chemistry Question

A: The correct option is (b)

Q: Convert 66 revolutions per hour to s-1 Notes: 1 h = 3600 s

A: Given that : We have to convert revolution per hour to s-1. Also given that, 1 hour = 3600 seconds

Q: Calculate the kinetic energy of a 0.16 kg baseball moving at a speed of 25.0 Round your answer to 2…

A: Given that, the mass of a baseball is m = 0.16 kg. The speed of the it is v = 25.0 m/s. We have to…

Q: 1.012 x 10-3 J (0.017456 g) (298.3682 – 298.3567) K J g. K

A: The given calculation is as follows: 1.012×10-3 J0.017456 g 298.3682-298.3567 K=?

Q: The temperature at which a fuel begins to burn is called the ignitiontemperature. The ignition…

A: Temperature can be expressed in different scales, such as, Kelvin, °C and °F etc.  These units can…

Q: - The prefix giga is used in the metric system has a value of 1016 A 1019 10+12

A: A metric system is a measurement unit system that uses meter, liter, gram to measure the length,…

Q: Lidocaine, a widely used local anesthetic, is available as a 0.50 % (w/v) solution for injection.…

A: Given :  Concentration of lidocaine = 0.50 %(w/v)  Mass of lidocaine = 65. mg

Q: A change in temperature of 1 degree Celsius is the same as a change in temperature of 1 kelvin…

A:

Q: the net force on a vehicle that is accelerating at a rate of 1.5m/s2 is 1,800 newton’s . what is the…

A:

Q: a bicycle takes 8.0 seconds to accelerate at a constant rate from rest to a speed of 4.0 m/s

A: Newton’s Second Law of Motion: The acceleration of an item as created by a net force is proportional…

Q: Q1. The correct conversion expression between degrees C to K is? A. T(K)=t(°C) + 273.15 C. T(K)=…

A:

Q: Tc = 9 °F x (Tp – 32 °F) The average normal human body temperature is 98.6 °F. 9 °F TF e x Tc) +32…

A: We will use the Fahrenheit and celcius conversion relation to answer the question.

Q: On the Kelvin scale, a temperature of 43°C is O 273 K O 43 K O 316 K O 230 K

A:

Q: Convert each temperature to the requested temperature scale. a. 20. °C to TF b. 150. °F to TC c.…

A: There are various temperature scales used all over the world. The three main temperature scales are…

Q: HCI NH2 МАС ВАС NH2 KI NaNO2 HCI, 0 degrees C RAC PAC JAC

A: The reactions given are,

Q: Suppose that 142 mL of water changes in temperature from 55.39°C to 58.68°C. What is qrxn in (Assume…

A: qrxn = -(4.812 kJ/ degree Celsius) (1.85 degree Celsius) = - 8.90 KJ per. Q= transfer of energy in…

Q: A piece of metal with a specific heat of 0.77 Jg-1°C-1 at 1164.7 °C is dunked into a beaker…

A:

Q: 85.4 grams of a metal that is at temperature 92.68 °C is placed in 257.4 mL of wate at 19.07 °C. The…

A:

Q: Calculate the kinetic energy of a 490. kg boat moving at a speed of 6.1 Round your answer to 2…

A: Given: Mass of boat = 490 kg  Speed = 6.1 m/s To find : Kinetic energy Solution  : There is a…

Q: Perform the following conversions:(a) 68°F (a pleasant spring day) to °C and K(b)164°C (the…

A:

Q: The surface temperature on Venus may approach 739 K. What is this temperature in degrees Celsius?…

A: Two numerical problems based on conversion of units of temperature, which is to be accomplished.

Q: Dry ice (carbon dioxide) changes from a solid to gas at -78.5C. What is this temperature in F?

A: celsius to Fohrenheit °F=95×°C+32 This is the formula by using this we can calculate the temperature…

Q: 5.-What does the slope of each line on the graph tell you? 6.-Which runner finish the race first…

A:

Q: determine that a 5.0 mL solution of CuSO4 has a mass of 5.76g. The solution is evaporated to dryness…

A: Volume of solution = 5.0 ml Mass of CuSO4 solution = 5.76 gm Mass of solid after evaporation  = 1.01…

Q: A pot containing 384 mL of water at 18.3°C is heated on a stove until its temperature is 69.9°C.…

A: as we know that the density of water is 1g/ml so d= m/v  m= d* v       = 1*384 g       = 384 g

Q: When 2.00 kg of water vapor cools to a temperature of 373 K, the value of q = -930 kJ. If the…

A: For this question Heat (q) = m*s*dT...............(1) where, q = -930kJ = -930000 J m = mass = 2.00…

Q: The diagram shows two bowling balls, A and B, each having a mass of 7 kilograms, placed 2 meters…

A: The solution is as follows :

Q: O4(g) + 2 H₂O( HNO3(aq) + 2NO(g) ess your answer to one decimal place and include the appropriate…

A: According to the question, we need to determine the enthalpy of the reaction.

Q: Celsius to Fahrenheit is F = 9/5C + 32. Round to the nearest tenth 67 degree F is equivalent to what…

A: Here Given that, F = 95C + 32 Then,F- 32 = 95CC = 59F-32

Q: When a cold drink is taken from a refrigerator, its temperature is 4 degrees Celsius. After 20…

A: Given, Initial temperature of cold drink  = 4°C

Q: d) 3.X CN -> くN e) GN ミ」

A:

Q: Express the quantity 556.2 * 10 - 12 s in each unit.a. ms                             b. ns…

A:

Q: The surface temperature on Venus may approach 749 K. What is this temperature in degrees Celsius?…

A: The surface temperature of Venus is = 749 K The value of temperature in oC is =?

Q: Make the following conversions between the Celsius and Fahrenheit temperature scales: a. 10°C =…

A: Celsius and Fahrenheit are units of temperature. Both are related to one-another by a formula : °C =…

Q: 1.17 x 102 M 1.1 x 10-5 M/min 1.91 x 102 3.83 x 102 1.8 x 10-5 3.6 x 10-5 O 1.3 x 107 O 45 O 66

A: 1) from the unit of rate constant,  it is 1st order kinetics,  So, rate law is, Rate = k[C2H6N2]

Q: Temperature a. sink water: 25.4°C °F b. ice-water: 0.2 °C = °F boiling water: 100.3°C = °F %3D с.

A: There are different units to measure temperature. Some of them are degree Celsius (°C) , Kelvin (K)…

Q: Perform the follwing calculations and round off the answers to the proper of significant figures.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…