2 points A sample of gas initially at 2.00 atm was compressed from 8.00 L to 2.00
Lat constant temperature. After the compression, the gas pressure was
atm.
A) 4.00
B) 2.00
C) 1.00
D) 8.00
E) 16.0
23. Which of the following is equivalent to 437 K?

Ineed ! it’s science and it’s due tomorrow!

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.