Chemistry, 04.08.2019 15:30 michellerosas
Acompound contains 75% carbon and 25% hydrogen by mass. what is the empirical formula for this compound?
Answers: 1
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As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
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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
Acompound contains 75% carbon and 25% hydrogen by mass. what is the empirical formula for this compo...
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