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
mr Goodwill [35]
3 years ago
5

How many joules are required to melt 100 grams of water? The heat of

Chemistry
1 answer:
vova2212 [387]3 years ago
4 0
Answer- 33.4 kJ


Explanation-

100 g H2O x (1mol/18g) = 5.5 mol

q=(5.5 mol)(6.01 KJ/mol)= 33.4 kJ
You might be interested in
Which actions are part of a system of methodical tests and refinements specific to technological design? 1 documenting, tinkerin
telo118 [61]

Answer:

1. documenting, tinkering, testing

Explanation:

Technological design is defined as the process of study, design and development of new technologies.

There are some action in the methodical tests and refinements specific to technological design include documenting, tinkering, testing.

<u>Documenting </u><u>includes collecting all the information about the design and develop the product, </u><u>tinkering</u><u> involves repairing or adjust the issues found in the development, and </u><u>testing </u><u>helps to evaluate if the product is ready to work as it is supposed to.</u>

Hence, the correct answer is "1."

6 0
3 years ago
What best describes why a liquid needs a container when a solid does not?
kvv77 [185]
Because if you have a liquid then you need a glass to keep it together and when it is a solid it is already together so you don't need to do anything
7 0
3 years ago
Read 2 more answers
Can someone please answer Convert the following to moles (1-4) questions with explanation
damaskus [11]

Answer:

1 ) 0.274 mol N2

2 ) 5.847 mol KNO3

yea... im just gonna do two fo them, i think u can figure it out from there

Explanation:

4 0
2 years ago
How do the test variables (independent variables) and outcome variables (dependent variables) in an experiment compare? A. The o
SVETLANKA909090 [29]

Answer:

C.

Explanation:

8 0
3 years ago
Read 2 more answers
There are several different models that represent compounds. One type of model is shown.
Kipish [7]
What I’m seeing on quizlet says what you’re describing is a ball-and-stick model.
3 0
2 years ago
Read 2 more answers
Other questions:
  • What is the name of the branch of science that specifically studies the conversion of chemical energy to electrical energy and v
    9·2 answers
  • During which process of the water cycle does water change from a gas to a liquid? A.precipitation
    12·2 answers
  • What is each vertical column of elements in the periodic table called?
    6·1 answer
  • Part a what is the concentration of k+ in 0.15 m of k2s? express your answer to one decimal place and include the appropriate un
    6·2 answers
  • What Mass of glucose is <br> needed to prepare 235mL of 22% w/v glucose?
    11·2 answers
  • You and your Canadian pen pal enjoy talking about nature together. While your friend describes some birds that she saw today, yo
    10·1 answer
  • Count the atoms<br> 2Ca(H2PO4)3<br> How many O atoms are in the above equation?
    10·1 answer
  • Which of the following is a property of bases? (1 point)
    6·1 answer
  • \huge\blue{\boxed{\tt{\colorbox{black}{NEED HELP}}}}[[<br><br><br>this is the text code sir​
    7·2 answers
  • Compare the alkali metals and alkaline earth metals with respect to (i) Ionization enthalpy (ii) basicity of oxides (iii) solubi
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!