Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Chemistry
How much energy as heat is removed from the hand when 5.00 grams of Ga initially at 20 degrees C melts? The value of Heat Fusion is 5.576 kJ-mol and the specific heat of Ga is 0.374 J-g-K. Take the final temp to be 29.76 degrees C.
1 answer
I answered this earlier.
You can
ask a new question
or
answer this question
.
Similar Questions
How much energy as heat is removed from the hand when 5.00 grams of Ga initially at 20 degrees C melts? The value of Heat Fusion
Top answer:
I don't think the question is worded right. if you want just the heat removed by melting Ga all you
Read more.
9.4 kJ of energy is available to take a sample of ice initially at -40*C, heat it to it's melting point, melt it, and
Top answer:
To solve this problem, we need to consider the energy required at each step of the process: heating
Read more.
You have 23.0g of water initially at -46°C. How much energy in joules is required to
heat the ice to 0°C? c ice = 2.1 J/g°C. I
Top answer:
I calculated the same number as you; I suspect the problem is that you're reorting too many
Read more.
Initially you have 204 g grams of solid thallium at is at its melting point of 304ºC .
How many grams of liquid thallium will be
Top answer:
heat to convert solid Tl to liquid Tl at 304 C. q1 = mass Tl x heat fusion = approx 4300 J;
Read more.
How much heat is absorbed by pouring 10 grams of 100°C liquid water on a student’s hand. The water is cooled to body
Top answer:
q = mass H2O x specific heat H2O x (Tfinal-Tinitial) solve for q.
Read more.
Using the values for the heat of fusion, specific heat of water, or heat of vaporization, calculate the amount of heat energy in
Top answer:
First one. q1 = heat removed to condense 125 g steam at 100 C to water at 100 C. q1 = mass steam x
Read more.
Given the reaction shown below, calculate:
(a) The amount of NO2, in grams, generated from reactants if 300.23 kJ of heat energy
Top answer:
To solve both parts of the problem, we need to use stoichiometry and the given enthalpy change
Read more.
#1.) If 500 grams of a metal requires 70 calories of energy to raise its temperature by 10 Kelvin, what is its specific heat?
#2.
Top answer:
answer
Read more.
The addition or removal of heat energy can change matter from one phase to another.
For each phase change below, decide if heat
Top answer:
1. The change from gas to liquid: b. Requires the removal of heat. This slows down the particles, so
Read more.
Question 15 (4 points)
The addition or removal of heat energy can change matter from one phase to another. For each phase change
Top answer:
1. The change from gas to liquid: Requires the removal of heat. This slows down the particles, so
Read more.
Related Questions
While running, a 70.0 kg student generates thermal energy at a rate of 1200 W. To maintain a constant body temperature of 37.0
Calculate the energy required to vapourise 50g of water Initially at 80¡ãC if the specific heat capacity of water is 4.2
What amount of energy is required to melt a 27.4 g piece of ice at 0oC?
The heat of fusion of ice = 333 Jg-1 Heat required to
Thermochemistry
determine the final temperature if 45.67 kJ of heat energy is removed from 18.5 g of H2O (g) at 122 degrees
hen Ben holds an ice cube in his hand, which transfer of energy is taking place?
a Heat is flowing from his hand to the ice cube.
If 200 cal heat energy is required 40 grams of liquid to its gaseous state then the latent heat of vapourization of it is
How much heat must be removed when 25 grams of steam at 100°C Is condensed to form liquid water at 100°C?
How many grams of water at 0 degrees C can be frozen into ice at 0 degrees C if 55.0 kJ of heat is removed? delta Hsolid= -6.01
1. Which of the following explains why the bomb calorimeter exemplifies the First Law of Thermodynamics.
a. It requires the slow
An oven is being used to bake cookies in this house. What energy transformations occur when baking cookies in this house?
(1