Chemistry, 23.08.2019 14:50 hardyaaron5048
Asample of cyanic acid, hcn, contains 3.33x10^22 atoms. how many moles of cyanic acid are in the sample? **hint, find the number of molecules of hcn first**
Answers: 1
Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 12:00
1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c
Answers: 2
Chemistry, 23.06.2019 04:00
How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) β co2 (e) + h2o (g)
Answers: 2
Chemistry, 23.06.2019 07:30
In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?
Answers: 1
Asample of cyanic acid, hcn, contains 3.33x10^22 atoms. how many moles of cyanic acid are in the sam...
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