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Physics or Chemistry
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Questions (62)
The lifetime of a 2 volt non-rechargeable battery has a normal distribution with a mean of 516 hours and a standard deviation of
2 answers
asked by
Gee
517 views
Determine the pressure in atm for a 10 g of CO2 sample contained in a sealed 10 L tank at 50degrees C?
Did anyone get 26.5 atm?
5 answers
asked by
John
449 views
5. Cesium-137 is a radioactive isotope. The following formula represents the remaining amount of a 300 gram sample of cesium-137
1 answer
asked by
seb
456 views
ii) What is the total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm
1 answer
asked by
candi
452 views
A scientist is interested in learning more about water’s phase change properties. The scientist decides to perform an
1 answer
asked anonymously
27 views
The color #ff1700 contains no amount of green.
1 answer
asked by
Blue
9 views
What is the concepts and the basic properties of the matter?
1 answer
asked anonymously
16 views
The law of conservation of mass states that the mass before the reaction has to equal the mass after the reaction. Atoms are not
1 answer
asked anonymously
22 views
Which of the following properties makes up any color?
Select all that apply. (2 points) Responses Hue Hue Texture Texture
1 answer
asked by
Blue Berry
42 views
Why do restaurants wash their dishes with hot water?(1 point)
Responses The molecules of hot water have less kinetic energy than
1 answer
asked anonymously
78 views
What is electronic structure.?
Give an examples. Give the parts of electronic structure ?
1 answer
asked anonymously
28 views
A reaction is occurring in a test tube. How is heat transmitted to the surroundings?(1 point)
Responses All of the heat escapes
1 answer
asked anonymously
48 views
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