asdfghjkuytredf asdfghjkuytredf

26-04-2017
Chemistry

contestada

which of the following is true about chemical reactions. A. they are accompanied by changes in energy. B. they form new substances with new properties. C. both A & B
D.neither A nor B

Respuesta :

26-04-2017

the correct answer should be option C. hope this helps

Answer Link

Otras preguntas

Why was NATO organized?

Find the scale factor of the dilation. Then tell whether the dilation is a reduction or an enlargement

the perimeter of the hexagon is 162 cm. Each longer side measures 1 cm more than twice a shorter side. What is shorter sides length?....

According to the lesson, what brought about the need for social reform?

Write true or false to tell whether each sentence is true or false

What is the theory that states organisms best adopted for an environment are more likely to survive and reproduce?

What is the approximate volume of a cone with a height of 12 in

Please Help EXTRA POINTS im terrible at math A square has vertices at the points A(3,-3), B(-3,-3), C(-3,3), and D(3,3). What is the area of this square? A. 3

Compare and contrast Kingdom Animalia with Kingdom Plantae. What two fundamental characteristics do they share? Which two are different?

Kate has a coin collection,She keeps 7 of the coins ln a box .Which is only 5% of her entire collection,What is the total number of coins in Kate’s coin collect