Which of the following chemical equations is unbalanced?
a. n2 + 2h2 2nh3
b. 2h2 + o2 2...
Physics, 27.01.2020 23:31, samarkanduzbek
Which of the following chemical equations is unbalanced?
a. n2 + 2h2 2nh3
b. 2h2 + o2 2h2o
c. p4 + 5o2 p4o10
d. 4na + o2 2na2o
Answers: 2
Other questions on the subject: Physics
Physics, 22.06.2019 03:30, sere50
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 15:30, tiffuuu
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Do you know the correct answer?
Questions in other subjects:
Physics, 12.11.2019 10:31
Mathematics, 12.11.2019 10:31
Mathematics, 12.11.2019 10:31
Health, 12.11.2019 10:31
History, 12.11.2019 10:31
