melting point at 1 atm 97.80°C specific heat of liquid sodium 1.38 J/g°C specific heat of solid sodium 1.23 J/g°C 2.60 kJ/mol ΔΗus Provide the numerical answer without units to the correct significant figures and in a non-exponential form', i.e., in a form where the exponent is zero and therefore not shown. For example, 0.444 rather than 4.44 x 101. 1. The energy in kJ needed to heat 20.00 g of solid sodium (22.99 g/mol) at -5.00°C to solid sodium at 95.0°C when the atmospheric pressure is 1 atm. 2. The energy in kJ needed to heat 10.00 g of solid sodium (22.99 g/mol) at 97.80°C to liquid sodium at 97.80°C when the atmospheric pressure is 1 atm.

melting point at 1 atm 97.80°C specific heat of liquid sodium 1.38 J/g°C specific heat of solid sodium 1.23 J/g°C 2.60 kJ/mol ΔΗus Provide the numerical answer without units to the correct significant figures and in a non-exponential form', i.e., in a form where the exponent is zero and therefore not shown. For example, 0.444 rather than 4.44 x 101. 1. The energy in kJ needed to heat 20.00 g of solid sodium (22.99 g/mol) at -5.00°C to solid sodium at 95.0°C when the atmospheric pressure is 1 atm. 2. The energy in kJ needed to heat 10.00 g of solid sodium (22.99 g/mol) at 97.80°C to liquid sodium at 97.80°C when the atmospheric pressure is 1 atm.

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...

See similar textbooks

Similar questions

Calculate the amount of heat needed to boil 145. g of methanol (CH,OH), beginning from a temperature of 17.4 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. ?
Calculate the amount of heat needed to boil 68.6 g of water (H₂O), beginning from a temperature of 37.2 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 0 X
How do I solve for the percentage of error of the experiment? Data table: mass of empty 8'' test tube: 41.47 mass of test tube and metal: 91.59 the initial temperature of metal: 10.5 degrees Celcius mass of water in a cup: 75g the initial temperature of water: 24.7 degrees Celcius the final temperature of metal and water mix: 34.2 degrees celsius specific heat of water: 4.184 j/g degrees celsius specific heat of metal: 15.8 j/g celsius
A spherical container is filled with a gas, what is the mass in grams of this gas if the density of it is 0.2201 and the diameter of the container is L 4.65 ft? You must use the following equality. You MUST show all work. *1 ft = 12 in 1 in = 2.54 cm 1000 mL = 1 L Vol of sphere = %3| .3
Show how to determine and then calculate the final temperature of a 195 g copper pan when 5925 calories of energy are added to the copper pan that is initially at 24.5 degrees celsius. (the specific heat of copper is 0.0923 cal/g degrees celsius)
Calculate the amount of heat needed to boil 182. g of benzene (CH), beginning from a temperature of 64.6 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 0 x10 X
Calculate the amount of heat needed to boil 106. g of methanol (CH,OH), beginning from a temperature of -68.3 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. ?
Fill in blanks please
One group of students recorded the following measurements: minner_cup = 45.24 g mcup_set = 199.07 g mcup_set+water = 430.41 g mcup_set+water+ice = 471.03 g TH = 58.1 °C TF = 38.8 °C What is the latent heat of fusion of ice according to their measurements in cal/g? Enter the number with proper significant figure.
Help me find the qmetal and q water with the round and un rounded values
If a 33.76 gram piece of porcelain which has a specific heat of 1.07 J/goC absorbs 1,936.56 J of energy, how much did the temperature change? Round your answer to 2 numbers after the decimal and include the correct units.
what amount of heat in J is required to raise the tempereture of 326.7 g of lead by 13.1 degrees celsius? the specific heat of lead is 0.128 j/g degrees celsius. give answer in standard notation to 0 decimal places