Chemistry, 08.05.2021 01:00 cupcake20019peehui
During the chemical reaction that takes place inside a hot pack, is energy being released to the surroundings or taken in from the surroundings and
why?
Energy is taken in because all chemical reactions take in energy.
Energy is released because the temperature of the surroundings increases.
Energy is taken in because the temperature of the surroundings increases.
Energy is released because all chemical reactions release energy.
2
Answers: 3
Another question on Chemistry
Chemistry, 22.06.2019 18:30
Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes
Answers: 1
Chemistry, 22.06.2019 22:30
The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)
Answers: 2
Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
You know the right answer?
During the chemical reaction that takes place inside a hot pack, is energy being released to the sur...
Questions
Social Studies, 31.07.2019 02:30
History, 31.07.2019 02:30
Computers and Technology, 31.07.2019 02:30
Business, 31.07.2019 02:30
History, 31.07.2019 02:30
Social Studies, 31.07.2019 02:30
Biology, 31.07.2019 02:30
Social Studies, 31.07.2019 02:30
