Homework Answers
Add Answer to:
Calculate the amount of heat in J required to increase the temperature of 25.0 grams of...
22:02 4 Exit Question 8 4 pts ice A piece of aluminum lost 100.0 J of...
22:02 4 Exit Question 8 4 pts ice A piece of aluminum lost 100.0 J of heat upon cooling from 50.0°C to 25.0°C. Calculate the mass of aluminum in grams. Round your final answer to three (3) significant figures. Specific Heats of Common Substances at 25 °C and 1 bar Substance Symbol Specific Heat (J/g (state) °C) helium He(g) 5.193 water H2O(1) 4.184 ethanol C2H00) 2.376 H2O(s) 2.093 (at -10 °C) water vapor H2O(g) 1.864 nitrogen N2(8) 1.040 air 1.007...
Which of the following (with specific heat capacity provided) would require the least energy to increase...
Which of the following (with specific heat capacity provided) would require the least energy to increase temperature by 1 oC? 1.0 g H2O(g) (Cs = 1.864 J/g oC) 1.0 g Si(s) (Cs = 0.712 J/g oC) 1.0 g O2(g) (Cs = 0.918 J/g oC) 1.0 g Pb(s) (Cs = 0.130 J/g oC) 1.0 g Al(s) (Cs = 0.897 J/g oC)
the Specific Heat Capicity of Tungsten is given here. 3. Calculate the temperature change when 32...
the Specific Heat Capicity of Tungsten is given here.
3. Calculate the temperature change when 32 grams of tungsten has 21 Joules of heat added to it. temperature be- in between the initial temperatures of the t and will be the same for the metal and the water.) Table 1. Specific heat capacities of various metals and other substances Specific Heat Capacity, C (J/g.°C) 0.129 0.129 0.132 0.133 Specific Heat Capacity, C (3/goC) 0.421 0.444 0.449 0.450 0.460 0.522 0.757...
A piece of unknown substance weighs 57.2 g and requires 3210 ) to increase its temperature...
A piece of unknown substance weighs 57.2 g and requires 3210 ) to increase its temperature from 22.6°C to 89.2°C. (a) What is the specific heat (in J/g.°C) of the substance? 493 /9-°C (6) If it is one of the substances found in the table below, what is its likely identity? Specific Heats of Common Substances at 25°C and 1 bar Substance Symbol (state) Specific Heat (1/g.c) gold Au(s) 0.129 copper Cu(s) 0.384 iron Fe(s) 0.449 argon Arg) 0.521 silicon...
The temperature of a sample of silver increased by 22.5 °C when 263 J of heat...
The temperature of a sample of silver increased by 22.5 °C when 263 J of heat was applied. What is the mass of the sample? Substance lead silver copper iron aluminum Specific heat J/g °C) 0.128 0.235 0.385 0.449 0.903 m 8
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver...
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver copper iron 0.449 aluminum 0.903 4.184 water An unknown substance has a mass of 18.9 g. The temperature of the substance increases by 18.3 °C when 81.3 J of heat is added to the substance. What is the most likely identity of the substance? O aluminum silver O water O copper
3.37 Use the heat equation to calculate the energy for each of the following (see Table...
3.37 Use the heat equation to calculate the energy for each of the following (see Table 3.11): a. calories to heat 8.5 g of water from 15 °C to 36 °C b. 2600 joules lost when 25 g of water cools from 86°C to 61 °C c. 9.3 kilocalories to heat 150 g of water from 15 °C to 77 °C d. kilojoules to heat 175 g of copper from 28 °C to 188 °C 3.38 Use the beat. cal/g...
The specific heat of copper is 0.385 J/gC . Calculate the final temperature when 25.0 g of copper metal at 100C is adde...
The specific heat of copper is 0.385 J/gC . Calculate the final temperature when 25.0 g of copper metal at 100C is added to 50 mL of water at 20 C
Substance molar heat capacity (C.)/J•mol-1.°C-1 75.3 specific heat capacity (C.) /J•g-lo°C-1 0.384 H2O(1) Cu(s) C,H,OH(l) (ethanol)...
Substance molar heat capacity (C.)/J•mol-1.°C-1 75.3 specific heat capacity (C.) /J•g-lo°C-1 0.384 H2O(1) Cu(s) C,H,OH(l) (ethanol) Fe(s) 111.5 0.449 1. Fill in the empty entries in the table above. 2. If the same amount of energy is transferred to 1.0 g samples of each of the substances listed above, order them from largest AT to smallest AT. Explain. 3. Which is the consequence of copper's relatively low specific heat (0.385 J/(g°C)) compared to water (4.18 J/(g°C)) on the temperature change...
Copper metal has a specific heat of 0.385 J/g·°C. Calculate the amount of heat required to...
Copper metal has a specific heat of 0.385 J/g·°C. Calculate the amount of heat required to raise the temperature of 22.8 g of Cu from 20.0°C to 875°C.
22:02 4 Exit Question 8 4 pts ice A piece of aluminum lost 100.0 J of heat upon cooling from 50.0°C to 25.0°C. Calculate the mass of aluminum in grams. Round your final answer to three (3) significant figures. Specific Heats of Common Substances at 25 °C and 1 bar Substance Symbol Specific Heat (J/g (state) °C) helium He(g) 5.193 water H2O(1) 4.184 ethanol C2H00) 2.376 H2O(s) 2.093 (at -10 °C) water vapor H2O(g) 1.864 nitrogen N2(8) 1.040 air 1.007...
the Specific Heat Capicity of Tungsten is given here.
3. Calculate the temperature change when 32 grams of tungsten has 21 Joules of heat added to it. temperature be- in between the initial temperatures of the t and will be the same for the metal and the water.) Table 1. Specific heat capacities of various metals and other substances Specific Heat Capacity, C (J/g.°C) 0.129 0.129 0.132 0.133 Specific Heat Capacity, C (3/goC) 0.421 0.444 0.449 0.450 0.460 0.522 0.757...
A piece of unknown substance weighs 57.2 g and requires 3210 ) to increase its temperature from 22.6°C to 89.2°C. (a) What is the specific heat (in J/g.°C) of the substance? 493 /9-°C (6) If it is one of the substances found in the table below, what is its likely identity? Specific Heats of Common Substances at 25°C and 1 bar Substance Symbol (state) Specific Heat (1/g.c) gold Au(s) 0.129 copper Cu(s) 0.384 iron Fe(s) 0.449 argon Arg) 0.521 silicon...
The temperature of a sample of silver increased by 22.5 °C when 263 J of heat was applied. What is the mass of the sample? Substance lead silver copper iron aluminum Specific heat J/g °C) 0.128 0.235 0.385 0.449 0.903 m 8
Question 4 of 8 > Substance lead Specific heat capacity (J/g °C) 0.128 0.235 0.385 silver copper iron 0.449 aluminum 0.903 4.184 water An unknown substance has a mass of 18.9 g. The temperature of the substance increases by 18.3 °C when 81.3 J of heat is added to the substance. What is the most likely identity of the substance? O aluminum silver O water O copper
3.37 Use the heat equation to calculate the energy for each of the following (see Table 3.11): a. calories to heat 8.5 g of water from 15 °C to 36 °C b. 2600 joules lost when 25 g of water cools from 86°C to 61 °C c. 9.3 kilocalories to heat 150 g of water from 15 °C to 77 °C d. kilojoules to heat 175 g of copper from 28 °C to 188 °C 3.38 Use the beat. cal/g...
Substance molar heat capacity (C.)/J•mol-1.°C-1 75.3 specific heat capacity (C.) /J•g-lo°C-1 0.384 H2O(1) Cu(s) C,H,OH(l) (ethanol) Fe(s) 111.5 0.449 1. Fill in the empty entries in the table above. 2. If the same amount of energy is transferred to 1.0 g samples of each of the substances listed above, order them from largest AT to smallest AT. Explain. 3. Which is the consequence of copper's relatively low specific heat (0.385 J/(g°C)) compared to water (4.18 J/(g°C)) on the temperature change...
Most questions answered within 3 hours.
-
Suppose in the short run a firm’s production function is given
by Q = L1/2*K1/2, and...
asked 9 minutes ago -
Calculation of number of protons, neutrons , and electrons
If given the mass # of 74...
asked 11 minutes ago -
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit
a golf ball with...
asked 23 minutes ago -
are primates eutherians?
i know eutherians come from therians but does primates come from
eutharia bc...
asked 28 minutes ago -
Calculate the specific heat of a certain unknown metal, if it
requires 195 joules of heat...
asked 39 minutes ago -
Identify the characteristics of a successful
project.
Describe the phases the project lifecycle.
Define the roles...
asked 48 minutes ago -
1. In Module 2 "headers" and "footers" are
described. Explain the difference between them and how...
asked 43 minutes ago -
Three polarizing filters are stacked with the polarizing axes of
the second and third at 58.5...
asked 52 minutes ago -
The capacitance in a series RCL circuit is C1 = 3.3 μF, and
the corresponding resonant...
asked 1 hour ago -
A 357.7-gram sample of an unknown substance (MM = 92.41 g/mol)
is heated from -23.1 °C...
asked 1 hour ago -
The project aims to design a network for a casino. The casino
has 10 floors including...
asked 1 hour ago -
Combustion of an unknown compound containing only carbon and
hydrogen produces 54.9 g of CO₂ and...
asked 1 hour ago