taniyatmontenegro
taniyatmontenegro taniyatmontenegro
  • 25-02-2021
  • Chemistry
contestada

NEED HELP! thank you!
The same element is present before and after a
O chemical change
O physical change
O chemical reaction
O none of these

Respuesta :

aehawkinsp57aub aehawkinsp57aub
  • 25-02-2021

Answer:

This is a physical change.

Explanation:

As long as the identity of the substance has not changed, and the element is present before and after, it is a physical change! (Ex: ice melting)

Answer Link

Otras preguntas

the following equation shows the position of a particle in time t, x=at2i + btj where t is in second and x is in meter. A=2m/s2, b=1m/s. Find A, the average vel
Find the measure of each missing angle.
Select the correct answer. Consider this function. Which graph represents the inverse of function f? The linear function on a coordinate plane passes through (4
Three out of every 20 students in ms. jones’ Math class earned a grade of A. What percent of the students earned a grade of A?
Standard Form Instructions: Rewrite the equation in proper Standard Form. Equation: x - y = −3 Standard Form: Check
Five siblings decide to buy their father a birthday present that costs b dollars, splitting the cost evenly amongst themselves. In terms of B, how much money do
During the 14th-17th centuries, people believed the Sun orbited the Earth. True Or False
While juanita is in the shower, she is listening intently for the phone because she is expecting an important call about a new job. according to signal detectio
In parallelogram MNPQ if m/PQM = 140° find m/MNP.
3. Measure the length of each leg and the hypotenuse of this triangle: AD = units AE= units DE= units Correct! Check