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

What atoms are likely to lose electrons to form cations

The responsibility for maintaining a proper lookout using human sight and sound on a boat underway applies to boats during what times

As much as 90% of the matter in the universe may be unseen “dark matter.” where is this dark matter?

simplify the expression below. show your work. -(-7y+12)

As a result of trade created by the erie canal, _______ became the largest city in the united states.

Given the equation of the circle (x - 9) 2 + y 2 = 484, the center of the circle is located at __________, and its radius has a length of __________ units.

Decelerating to avoid a potential or immediate hazard would be considered what step in the ipde process?

An amount of $40,000 is deposited in a bank that pays interest at the rate of at 9%/year compounded annually. what is the total amount on deposit at the end of

Who coordinates information requests between emergency managers and the national hurricane center?

Brown-eye genes are dominant over blue-eye genes. what is the best explanation for the fact that all the blue-eye alleles have not disappeared in the human popu