lanadiako12 lanadiako12

12-06-2020
Chemistry

contestada

If it takes 450 J of energy to melt 5 g of a substance, how many joules would be needed to melt 15 g?

A. 9000 J
B. 6750 J
C. 2250 J
D. 1350 J

Respuesta :

kkate8365 kkate8365

12-06-2020

Answer:

D.1350

Explanation:

Because 5×3=15 and 450×3=1350

Answer Link

Otras preguntas

Which of the following are solutions to the equation below? Check all that apply. 9x² - 6x + 1 =7 O A. x= 2√2 B. x = -√7+1 3 ☐ C. X= □ D. X= √√7+1 3 +1 □ E. x =

which activity was not a traditional role women in early civilizations were generally expected to fulfill

Is a type of weathering where rock is broken down as it absorbs water

Which of the following is a non-proportional relationship? There are 24 students per teacher. There are 50 apple trees in 1 square mile. A swimming pool costs $

Simplify the following expression as a monomial: -8a8 ———- -2a7

What do you think it was like during “The Dark Ages”?

4x-3/5 - 2x-3/2=-2 Solve for x

A 2-column table with 6 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1, 2. The second column is labeled f of x with e

Part A Simplify (6-2) (3-3)(3-6).

Help asap much appreciated