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
atroni [7]
3 years ago
7

The work done to expand a gas is 121 J. During the gas expansion, 402 J of heat is absorbed by the gas sample. Calculate the cha

nge in internal energy (ΔE) of the gas in kJ.
[Hint: ΔE = q + w. Make sure to check the sign conventions.]

ΔE = ___________ kJ.
Chemistry
1 answer:
butalik [34]3 years ago
7 0

Answer: 3.50

Explanation:

because the heat of engine cause a gas

You might be interested in
Steel:<br> Propane:<br> Calcium chloride:<br> Water:
kondor19780726 [428]
What is the question
4 0
3 years ago
Read 2 more answers
I dont get dependent and independent variables if someone can explain it and give an example that wpould be great!​
Musya8 [376]
An independent variable is the variable that is changed or controlled in a experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured. so like is math. the input variable is the independent variable. the output is the dependent variable because it depends on the input variables.
5 0
3 years ago
All the elements in group 1 react with water to form a hydroxide. What other substance is also
Iteru [2.4K]
I’m not 100% sure, but I think hydrogen gas is also produced :)
7 0
3 years ago
What was observed when positively charged particles were radiated onto a gold atom during Rutherford's experiment because of thi
trapecia [35]

Answer:

He was happy:)

Explanation:

3 0
3 years ago
If two objects have the same amount of matter, the object with the higher temperature has the higher thermal energy. (science qu
Rom4ik [11]

Answer:

is this a true or false question?

5 0
3 years ago
Read 2 more answers
Other questions:
  • How many atoms of hydrogen are represented by the formula below? 4H2SO4 A. 1 B. 4 C. 8 D. 28
    13·2 answers
  • Molecular iodine, I2 (g), dissociates into iodine atoms at 545K with a first order rate constant of 0.344 1/s. If you start with
    6·1 answer
  • A 75 gram bar of gold is cut into three equal pieces. How does the density of each piece compare to the density of the original
    13·1 answer
  • Whoever answers I will give brainliest!! IS COBALT A METAL, METALLOID, NONMETAL, OR NOBLE GAS?
    6·1 answer
  • HELP ME PLEASE, what kind of cell is?
    14·1 answer
  • The highest cloud are known as
    12·2 answers
  • Write the symbol for nitrogen which has 9 neutrons<br><br>How do I solve this?
    13·1 answer
  • E. Which of the following is a mixture? i. Water ii. Hydrogen iii. Air iv. Iron​
    9·2 answers
  • In 6 months time, the Earth will revolve to the other side of the sun. During the June Solstice, the most
    14·1 answer
  • (ii) Calculate the maximum mass of ethanol that could be obtained<br> g from 30.0 g of glucose.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!