1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ElenaW [278]
2 years ago
7

The specific heat capacity of a pure substance can be found by dividing the heat needed to change the temperature of a sample of

the substance by the mass of the sample and by the change in temperature. The heat capacity of a certain substance has been measured to be 2.76J·g°C. Suppose 466.g of the substance are heated until the temperature of the sample has changed by 39.4°C. Write an equation that will let you calculate the heat that was needed for this temperature change. Your equation should contain only symbols.
Chemistry
1 answer:
kupik [55]2 years ago
4 0

Answer:

See below

Explanation:

ΔQ = m c T        ΔQ = heat required(J)    m = mass (g)    T = C° temp change

                             c = heat capacity in J/g-C

You might be interested in
4. An 82 kg hiker climbs Mt. Humphrey near Flagstaff. During a two hour period, the hiker's
bazaltina [42]

Answer:

\Delta E = 434253.96\,J, \Delta P = 60.313\,W

Explanation:

The change in energy is given by the change in gravitational potential energy:

\Delta E = m\cdot g \cdot \Delta h

\Delta E = (82\,kg)\cdot (9.807\,\frac{m}{s^{2}} )\cdot (540\,m)

\Delta E = 434253.96\,J

The average rate of change in terms of time is approximately this:

\Delta P = \frac{\Delta E}{\Delta t}

\Delta P = \frac{434253.96\,J}{(2\,h)\cdot (\frac{3600\,s}{1\,h} )}

\Delta P = 60.313\,W

8 0
3 years ago
Predict the products for the following chemical reaction: H2 + O2 →
RSB [31]
The answer is C I got it right so hope it helped ;)
6 0
3 years ago
Calculate the pressure in torr that a 0.44 g sample of carbon dioxide gas would exert at a temperature of 46.2 C when it occupie
svlad2 [7]

Answer: 0.052torr

Explanation: Please see attachment for explanation

7 0
3 years ago
How many kilometers are in a 7.21. mm
Readme [11.4K]

Answer:

0.00000721 Kilometer

6 0
3 years ago
Do cells divide twice in asexual reproduction, sexual reproduction, or both?
igor_vitrenko [27]
Cells divide in asexual reproduction!


I hope this helps 



please mark me as brainliestt!!
8 0
3 years ago
Other questions:
  • Describe the process illustrated in the diagram above. How many individuals would exist if the process continued for one more ge
    14·1 answer
  • Which diagram best illustrates the stage in the formation of the solar system at which the sun formed?​
    13·1 answer
  • The iodine "clock reaction" involves the following sequence of reactions occurring in a reaction mixture in a single beaker. 1.
    6·1 answer
  • The half-life of a radioactive isotope is the amount of time it takes for a quantity of that isotope to decay to one half of its
    11·1 answer
  • 5. _______H2O2 → ________ H2O + O2
    8·1 answer
  • Great Sand Dunes National Park in Colorado is famous for its giant sand dunes. Sand dunes are landforms that are found in desert
    5·1 answer
  • What is the term used to explain the relationship between cells and living things
    14·1 answer
  • The end result of ecological succession is called?
    5·1 answer
  • Calcular el numero de gramos de un mol de metano
    15·1 answer
  • What is it about water that makes it able to dissolve both polar covalent and iconic substances
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!