If a chemical change requires energy, which of the following could be the source of the energy?
a. heating with a flame
b. settling the mixture for 20 minutes
c. measuring mass from a balance beam
d. adding more substance to the observed material
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “If a chemical change requires energy, which of the following could be the source of the energy? a. heating with a flame b. settling the ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
What is the correct ionic charge of an atom that gained 3 electrons?
Answers (1)
An unstable nucleus which starts a decay process is called the parent nuclide. True False
Answers (1)
List 5 of the 8 characteristics that define something as living
Answers (1)
What are the units of k in the following rate law? Rate = k[X][Y]M/s1/Mss/M^2M/sM^2/s
Answers (1)
Which reactions performed in the experiment involved chemical changes?
Answers (1)
New Questions in Chemistry
A rigid cylinder with a movable piston contains a 2.0-liter sample of neon gas at STP. What is the volume of this sample when it's temperature is increased to 30 degrees Celsius while its pressure is decreased to 90 kilopascal
Answers (1)
Write a speech aimed at year 7 to explain why some metals lose their shine over time but gold does not.
Answers (1)
How many moles of co2 could fit in a 475 ml bag at - 22c and 1.125 atm?
Answers (1)
How mant atoms are in 3N2
Answers (2)
The type of nuclear decay an unstable nucleus will undergo depends on its ratio of neutrons to protons. The radioisotope cobalt-65 has a ratio of neutrons to protons of 1.41, which is too high for a nucleus of this size.
Answers (2)