Chemistry, 13.12.2019 04:31 smithad242
Need answer asap: metals are known to have abundant free electrons. a metallurgical scientist wants to detect the presence of metals in a rock sample. which of the following best explains the type of detection instrument that the metallurgist should use? a.) an x-ray detector, because x-rays are produced due to high energy collision of electrons b.) an x-ray detector, because x-rays are emitted from the nucleus containing neutrons and protons c.) special cameras, because infrared rays are produced due to the interaction between free electrons d.) special cameras, because infrared rays are produced by very hot objects like metallic rocks
Answers: 3
Chemistry, 21.06.2019 22:00, pettygirl13
Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )
Answers: 3
Chemistry, 22.06.2019 00:30, natalie1755
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
Answers: 3
Chemistry, 22.06.2019 10:10, jojomgarcia01
When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
Answers: 2
Chemistry, 22.06.2019 12:30, Svetakotok
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
Answers: 2
Need answer asap: metals are known to have abundant free electrons. a metallurgical scientist wants...
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