Which of the following best describes how chemical changes differ from physical changes?
A. Physical changes produce no new substances and chemical changes do.
B. Physical changes always involve the formation of a gas while chemical changes may not.
C. Physical changes can occur inside or outside the substance; chemical changes always occur outside.
D. Physical changes involve a change of state; chemical changes involve a change of shape.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Which of the following best describes how chemical changes differ from physical changes? A. Physical changes produce no new substances and ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Predict the products for this reaction CuO + NaNO3 A. Cu (NO3) 2 + Na2O B. CuO4 + NaN C. No reaction D. CuNO3 + NaO
Answers (1)
An ionic bond is the attraction between a. similarly charged ions. b. oppositely charged ions. c. neutral ions. d. neutral atoms. An ionic bond is the attraction between oppositely charged ions.
Answers (1)
Calculate the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 7.4 l to 4.5 l at a constant external pressure of 44 atm. express your answer using two significant figures.
Answers (1)
In which phase are the molecules moving faster? Is it water?
Answers (1)
A pot contains 7 l of brine at a concentration of 80 g/l. how much of the water should be boiled off to increase the concentration to 200 g/l?
Answers (1)
New Questions in Chemistry
Percentage compostion of carbon in CaCO3
Answers (1)
Potassium iodide (ki) exhibits predominantly ionic bonding. the k and i ions have electron structures that are identical to which two inert gases?
Answers (1)
Amino acid to protein as?
Answers (1)
How many moles of metallic aluminum (al) could be produced from al3 + at a current of 0.09 amperes for 964,853 seconds?
Answers (1)
At a certain temperature this reaction follows second-order kinetics with a rate constant of 14.1 M-1s-1 : 2SO3g - -> 2SO2g + O2g Suppose a vessel contains SO3 at a concentration of 1.44M. Calculate the concentration of SO3 in the vessel 0.
Answers (1)