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
tigry1 [53]
3 years ago
10

Temperature of 50g of methanol from 20 degrees Celsius to 70 degrees Celsius

Chemistry
1 answer:
olganol [36]3 years ago
4 0

[ Q ] = [ Delta U ] + [ W sub B ]

No work is done. -----> [ W sub B ] = 0.0

[ Delta U ] = [ m ] [ C sub V ] [ T2 - T1 ]

[ Delta U ] = [ 50 ] [ 0.58 ][70 - 20 ]

[ Delta U ] = 58 cal

Q = [ Delta U ] = 58cal
You might be interested in
Ionic compounds are normally in which physical state at room temperature?
Ivahew [28]
<span>Ionic compounds are normally in which physical state at room temperature in solid. The answer is A. 

</span>Ionic Compounds Are Balanced. Table salt is an example of an ionic compound. Sodium<span> and </span>chlorine<span>ions come together to form </span>sodium chloride<span>, or </span>NaCl<span>. The </span>sodium atom<span> in this compound loses an electron to become Na+, while the </span>chlorine<span> atom gains an electron to become Cl-.</span>
8 0
3 years ago
Read 2 more answers
15. An electrically neutral atom consists of 15 neutrons, 13 electrons, and a number of protons. What is its mass number?​
Korvikt [17]

Answer:

28

Explanation:

it states that the atom is neutral, meaning the number of electrons and protons are the same. so if there are 13 electrons, there are 13 protons. And the mass number is neutrons plus protons. So 13+15 is 28

4 0
3 years ago
Read 2 more answers
Could the cuttlefish tell the difference between the blue and yellow in the lab?​
jeka94

Answer:

<em>yes</em>

Explanation:

the cuttle fish tell the difference between blue and yellow

5 0
1 year ago
You know that a circuit is a path along which electrical charges can flow. In this activity, you are going
Alika [10]

The battery gives energy to the connected light and switch, and the switch controls the light.

7 0
2 years ago
Balanced chemical equation for photosynthesis
shepuryov [24]
6CO2 + 6H2O > C6H12O6 + 6O2
5 0
2 years ago
Other questions:
  • If liquids are liquids because they take the shape of their container, why isn't salt considered a liquid?
    15·2 answers
  • the elements iron (Fe), copper (Cu), and mercury (Hg) are classified as metals. which physical property of metals do they all sh
    8·1 answer
  • A 2.0-liter aqueous solution contains a total of 3.0 moles of dissolved NH4Cl at 25°C and standard pressure.
    15·2 answers
  • When a entire species perishes the species becomes
    10·2 answers
  • Describe the difference between red light and blue light. Describe the difference between red light and blue light. 700 nm corre
    11·1 answer
  • 2. Classify the following solutions as acidic, basic, or neutral at 25OC.
    11·1 answer
  • For each molecule, specify the polarity of the bonds and the overall polarity of the molecule.
    14·1 answer
  • How many hours are in 188 years
    5·1 answer
  • HELP! HELP!<br> an element with 5 protons, and 8 electrons has an atomic number of?
    12·1 answer
  • Four groups of students were each asked to create table listing two elements and two compounds. Only one group’s table was corre
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!