Trey4145 Trey4145

31-03-2021
Chemistry

contestada

Which statement is correct?
A. Physical changes produce new substances; chemical changes do not.
B. Chemical changes produce new substances; physical changes do not.
C. Both physical changes and chemical changes produce new substances.
D. Neither physical changes nor chemical changes produce new substances.

Respuesta :

Аноним Аноним

31-03-2021

Answer:

B. Chemical changes produce new substances; physical changes do not.

Explanation:

Physical changes only alter appearances, while chemical changes are interactions that create new chemical formulas.

Answer Link

Otras preguntas

Calculate the risk-adjusted asset base for a bank with: a. Cash of $20 million, 0% b. Gen. Obligation municipal security of $100 million, 20% c. Singe family ho

Find the exact positive value of c if the area between the graph of y=x^2-c^2 and the x -axis is 36.

Sam makes some read rolls. He gives 2/5 of the bread rolls to his neighbor and 4/9 of the remainder to his cousin. He has 15 bread rolls left. How many bread ro

find an nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing utility, use it to graph the function

how do i round to the nearest tenth

Vanessa has always played the violin as a classical instrument since her early childhood?

everything an organism does and when it does it describes and organism a/ tolerance b/ community c/ character displacement d/ niche

Consider a rational (i.e. "fractional") exponent...what does the denominator of the fractional exponent represent in radical form? What does the numerator of th

Two objects, A and B, are connected by hinges to a rigid rod that has a length L. The objects slide along perpendicular guide rails as shown in the figure below

What is the differences between up milling and down milling?