Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Science
What happens when a chemical hand warmer is unwrapped and starts to work?
A chemical reaction releases thermal energy.
1 answer
This energy is transferred to the surrounding air, causing the hand warmer to heat up. The heat is then transferred to the user's hands, providing warmth.
You can
ask a new question
or
answer this question
.
Related Questions
Which statement best describes an oxidation-reduction reaction?(1 point)
Responses a chemical reaction in which electrons are
A chemical reaction proceeds in such a way that after the first second, the amount of a
certain chemical involved in the reaction
What is the difference between a chemical change and a chemical reaction??
My answer: A chemical change leads to a solidifed
Which phrase best describes a redox reaction?
a a chemical reaction involving the burning of a metal in the presence of oxygen b
Chemical Reactions Quick Check
1 of 51 of 5 Items Question Use the chemical reaction to answer the question.
Use the chemical reaction to answer the question.
NaHCO3 + HC2H3O2 -- NaC2H3O2 + H2O + CO2 A student mixes baking soda and acetic
what is always true, according to the law of conservation of matter?
a. The total number of molecules before, and after a
Examine the scenario.
Chemical Reaction A and Chemical Reaction B involve the same two reactants. Chemical Reaction A is
What does the Law of Conservation of Mass say about a chemical reaction?(1 point)
Responses Mass is not measurable in a chemical
Which statement best describes an oxidation-reduction reaction? (1 point)
• a chemical reaction that involves oxygen a chemical