danny12341
danny12341
20-04-2017
Chemistry
contestada
why does water expand when it freezes
Respuesta :
Xxem0g1rlxX
Xxem0g1rlxX
20-04-2017
because when water is a solid the molecules are packed together,making it dense, but it expands because of how cold it is, almost in the same way like heat
Answer Link
maeghan45
maeghan45
20-04-2017
because the molecules are moving slower as it freezes
Answer Link
VER TODAS LAS RESPUESTAS ( 45+ )
Otras preguntas
At 101.3 kPa and 298 K. what is the total amount of heat released when one mole of aluminum oxide, Al2O3(s), is formed from its elements?(1) 393.5 kJ (2) 837.8
The curve through the ordered pairs (0, 10), (1, 5), and (2, 2.5) can be represented by the function f(x) = 10(0.5)x. What is the multiplicative rate of change
Why are political parties considered an important part of a democratic political system? They are included in the US Constitution. They provide a way to control
A hallway measuring 90 feet x 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot. How much cleaning solution is required to clean the hallw
please help me with this! I would appreciate it :)
why did Ming leaders encourage authors to write events from Chinese history?
Which of the following forces is MOST involved in radioactive decay? a. weak nuclear force b. strong nuclear force c. gravity d. electromagnetism
Two scientists are cutting samples of leaves for analysis. One scientist always clips a sample from the base of the leaf near the stem, and the other scientist
Samantha puts an initial $500 into a savings account. The account has a 4% annual compound interest rate. What is the function that best represents Samantha's a
The political purpose of the Taft-Hartley Act of 1947 was to
