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
alex41 [277]
3 years ago
5

Determine the total amount of heat, in joules, required to completely vaporize a 50.0-gram sample of h2o(?) at its boiling point

at standard pressure.
Physics
1 answer:
Tanzania [10]3 years ago
3 0
In order to calculate the amount of energy required, we must first check the latent heat of vaporization of water from literature. The latent heat of vaporization of any substance is the amount of energy required per unit mass to convert that substance from a solid to a liquid. For water this is 2,260 J/g. We now use the formula:
Energy = mass * latent heat
Q = 50 * 2,260
Q = 113,000 J

113,000 Joules of heat energy are required.
You might be interested in
What is the net force​
nadya68 [22]

Answer:

20 N in West direction.

Explanation:

opposite forces cancel each other. so 20 N in north and 20N in south cancel each other. In west and east direction...

70N in west-50N in east= 20N in west

3 0
3 years ago
Thermal energy is added to four identical samples of water what increases in each sample
Setler [38]
Thermal energy is added to four identical<span> 1.0 kg </span>samples of water<span> at room temperature. Which of the following </span>increases in each sample<span>? average charge of an electron; average density of </span>a<span> nucleus; average mass of </span>a<span> proton; average speed of </span>a<span> molecule. Your answer: -. Answer: D - average speed of </span>a<span>molecule.</span>
8 0
3 years ago
Read 2 more answers
A car enters a horizontal, curved roadbed of radius 50 m. the coefficient of static friction between the tires and the roadbed i
UkoKoshka [18]
Previous results tell us the speed (v) is given in terms of the coefficient of friction (k) and the radius of the curve (r) as
  v = √(kgr)
  v = √(0.20·9.8 m/s²·50 m)
  = 7√2 m/s ≈ 9.90 m/s
6 0
3 years ago
Read 2 more answers
when we turn on a light switch or use the microwave, we use electricity. what are common sources or our electricity?
blagie [28]

Answer:

solar, wind, hydro, natural resources

4 0
3 years ago
in a cricket match there are 5000 spectators counted 10 by 10 the number of significant figure in the measurement will be
BabaBlast [244]

Answer:

\boxed{3 \ Significant \ figures}

Explanation:

Total spectators = 5000

Counted by the groups of ten, So at last the result will be:

=> 5000/10 = 500

Significant figures in 500 are 3

8 0
3 years ago
Other questions:
  • If Jim could drive a Jetson's flying car at a constant speed of 440 km/hr across oceans and space, approximately how long (in mi
    8·1 answer
  • Which statement(s) correctly compare the masses of protons, neutrons, and electrons? Check all that apply
    5·2 answers
  • Plants depend on the atmosphere for the largest source of
    15·1 answer
  • As an apple falls from a tree, which types of energy are changing?
    9·1 answer
  • What is the magnitude of a volcanic eruption in krakatoa, indonesia august 27, 1883?
    8·1 answer
  • ILL GIVE BRAINLIEST.
    14·1 answer
  • a student throws a coin vertically downward frok the top of a building. the coin leaves the throwers hand with a speed of 15.0m/
    5·1 answer
  • Please help me, I beg you​
    12·1 answer
  • A cylinder with a radius of 1.8 cm is floating in water as shown below. The mass of the cylinder is 1.80 kg. Calculate the depth
    5·1 answer
  • According to the universal law of gravitation, the force due to gravity is b. directly proportional to the square of the distanc
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!